| 1 | #!/bin/sh |
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| 2 | # configure script for zlib. |
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| 3 | # |
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| 4 | # Normally configure builds both a static and a shared library. |
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| 5 | # If you want to build just a static library, use: ./configure --static |
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| 6 | # |
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| 7 | # To impose specific compiler or flags or install directory, use for example: |
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| 8 | # prefix=$HOME CC=cc CFLAGS="-O4" ./configure |
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| 9 | # or for csh/tcsh users: |
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| 10 | # (setenv prefix $HOME; setenv CC cc; setenv CFLAGS "-O4"; ./configure) |
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| 11 | |
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| 12 | # Incorrect settings of CC or CFLAGS may prevent creating a shared library. |
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| 13 | # If you have problems, try without defining CC and CFLAGS before reporting |
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| 14 | # an error. |
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| 15 | |
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| 16 | STATICLIB=libz.a |
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| 17 | LDFLAGS="${LDFLAGS} -L. ${STATICLIB}" |
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| 18 | VER=`sed -n -e '/VERSION "/s/.*"\(.*\)".*/\1/p' < zlib.h` |
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| 19 | VER3=`sed -n -e '/VERSION "/s/.*"\([0-9]*\\.[0-9]*\\.[0-9]*\).*/\1/p' < zlib.h` |
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| 20 | VER2=`sed -n -e '/VERSION "/s/.*"\([0-9]*\\.[0-9]*\)\\..*/\1/p' < zlib.h` |
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| 21 | VER1=`sed -n -e '/VERSION "/s/.*"\([0-9]*\)\\..*/\1/p' < zlib.h` |
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| 22 | AR=${AR-"ar"} |
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| 23 | AR_RC="${AR} rc" |
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| 24 | RANLIB=${RANLIB-"ranlib"} |
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| 25 | prefix=${prefix-/usr/local} |
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| 26 | exec_prefix=${exec_prefix-'${prefix}'} |
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| 27 | libdir=${libdir-'${exec_prefix}/lib'} |
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| 28 | includedir=${includedir-'${prefix}/include'} |
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| 29 | mandir=${mandir-'${prefix}/share/man'} |
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| 30 | shared_ext='.so' |
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| 31 | shared=1 |
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| 32 | zprefix=0 |
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| 33 | build64=0 |
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| 34 | gcc=0 |
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| 35 | old_cc="$CC" |
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| 36 | old_cflags="$CFLAGS" |
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| 37 | |
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| 38 | while test $# -ge 1 |
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| 39 | do |
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| 40 | case "$1" in |
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| 41 | -h* | --help) |
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| 42 | echo 'usage:' |
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| 43 | echo ' configure [--zprefix] [--prefix=PREFIX] [--eprefix=EXPREFIX]' |
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| 44 | echo ' [--static] [--64] [--libdir=LIBDIR] [--includedir=INCLUDEDIR]' |
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| 45 | exit 0 ;; |
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| 46 | -p*=* | --prefix=*) prefix=`echo $1 | sed 's/[-a-z_]*=//'`; shift ;; |
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| 47 | -e*=* | --eprefix=*) exec_prefix=`echo $1 | sed 's/[-a-z_]*=//'`; shift ;; |
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| 48 | -l*=* | --libdir=*) libdir=`echo $1 | sed 's/[-a-z_]*=//'`; shift ;; |
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| 49 | -i*=* | --includedir=*) includedir=`echo $1 | sed 's/[-a-z_]*=//'`;shift ;; |
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| 50 | -u*=* | --uname=*) uname=`echo $1 | sed 's/[-a-z_]*=//'`;shift ;; |
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| 51 | -p* | --prefix) prefix="$2"; shift; shift ;; |
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| 52 | -e* | --eprefix) exec_prefix="$2"; shift; shift ;; |
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| 53 | -l* | --libdir) libdir="$2"; shift; shift ;; |
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| 54 | -i* | --includedir) includedir="$2"; shift; shift ;; |
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| 55 | -s* | --shared | --enable-shared) shared=1; shift ;; |
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| 56 | -t | --static) shared=0; shift ;; |
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| 57 | -z* | --zprefix) zprefix=1; shift ;; |
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| 58 | -6* | --64) build64=1; shift ;; |
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| 59 | --sysconfdir=*) echo "ignored option: --sysconfdir"; shift ;; |
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| 60 | --localstatedir=*) echo "ignored option: --localstatedir"; shift ;; |
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| 61 | *) echo "unknown option: $1"; echo "$0 --help for help"; exit 1 ;; |
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| 62 | esac |
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| 63 | done |
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| 64 | |
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| 65 | test=ztest$$ |
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| 66 | cat > $test.c <<EOF |
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| 67 | extern int getchar(); |
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| 68 | int hello() {return getchar();} |
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| 69 | EOF |
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| 70 | |
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| 71 | test -z "$CC" && echo Checking for gcc... |
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| 72 | cc=${CC-gcc} |
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| 73 | cflags=${CFLAGS-"-O3"} |
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| 74 | # to force the asm version use: CFLAGS="-O3 -DASMV" ./configure |
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| 75 | case "$cc" in |
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| 76 | *gcc*) gcc=1 ;; |
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| 77 | esac |
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| 78 | |
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| 79 | if test "$gcc" -eq 1 && ($cc -c $cflags $test.c) 2>/dev/null; then |
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| 80 | CC="$cc" |
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| 81 | SFLAGS="${CFLAGS-"-O3"} -fPIC" |
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| 82 | CFLAGS="${CFLAGS-"-O3"}" |
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| 83 | if test $build64 -eq 1; then |
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| 84 | CFLAGS="${CFLAGS} -m64" |
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| 85 | SFLAGS="${SFLAGS} -m64" |
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| 86 | fi |
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| 87 | if test "${ZLIBGCCWARN}" = "YES"; then |
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| 88 | CFLAGS="${CFLAGS} -Wall -Wextra -pedantic" |
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| 89 | fi |
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| 90 | if test -z "$uname"; then |
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| 91 | uname=`(uname -s || echo unknown) 2>/dev/null` |
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| 92 | fi |
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| 93 | case "$uname" in |
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| 94 | Linux | linux | GNU | GNU/* | *BSD | DragonFly) LDSHARED=${LDSHARED-"$cc -shared -Wl,-soname,libz.so.1,--version-script,zlib.map"} ;; |
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| 95 | CYGWIN* | Cygwin* | cygwin* | OS/2* ) |
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| 96 | EXE='.exe' ;; |
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| 97 | QNX*) # This is for QNX6. I suppose that the QNX rule below is for QNX2,QNX4 |
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| 98 | # (alain.bonnefoy@icbt.com) |
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| 99 | LDSHARED=${LDSHARED-"$cc -shared -Wl,-hlibz.so.1"} ;; |
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| 100 | HP-UX*) |
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| 101 | LDSHARED=${LDSHARED-"$cc -shared $SFLAGS"} |
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| 102 | case `(uname -m || echo unknown) 2>/dev/null` in |
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| 103 | ia64) |
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| 104 | shared_ext='.so' |
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| 105 | SHAREDLIB='libz.so' ;; |
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| 106 | *) |
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| 107 | shared_ext='.sl' |
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| 108 | SHAREDLIB='libz.sl' ;; |
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| 109 | esac ;; |
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| 110 | Darwin*) shared_ext='.dylib' |
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| 111 | SHAREDLIB=libz$shared_ext |
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| 112 | SHAREDLIBV=libz.$VER$shared_ext |
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| 113 | SHAREDLIBM=libz.$VER1$shared_ext |
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| 114 | LDSHARED=${LDSHARED-"$cc -dynamiclib -install_name $libdir/$SHAREDLIBM -compatibility_version $VER1 -current_version $VER3"} ;; |
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| 115 | *) LDSHARED=${LDSHARED-"$cc -shared"} ;; |
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| 116 | esac |
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| 117 | else |
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| 118 | # find system name and corresponding cc options |
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| 119 | CC=${CC-cc} |
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| 120 | if test -z "$uname"; then |
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| 121 | uname=`(uname -sr || echo unknown) 2>/dev/null` |
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| 122 | fi |
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| 123 | case "$uname" in |
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| 124 | HP-UX*) SFLAGS=${CFLAGS-"-O +z"} |
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| 125 | CFLAGS=${CFLAGS-"-O"} |
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| 126 | # LDSHARED=${LDSHARED-"ld -b +vnocompatwarnings"} |
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| 127 | LDSHARED=${LDSHARED-"ld -b"} |
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| 128 | case `(uname -m || echo unknown) 2>/dev/null` in |
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| 129 | ia64) |
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| 130 | shared_ext='.so' |
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| 131 | SHAREDLIB='libz.so' ;; |
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| 132 | *) |
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| 133 | shared_ext='.sl' |
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| 134 | SHAREDLIB='libz.sl' ;; |
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| 135 | esac ;; |
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| 136 | IRIX*) SFLAGS=${CFLAGS-"-ansi -O2 -rpath ."} |
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| 137 | CFLAGS=${CFLAGS-"-ansi -O2"} |
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| 138 | LDSHARED=${LDSHARED-"cc -shared -Wl,-soname,libz.so.1"} ;; |
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| 139 | OSF1\ V4*) SFLAGS=${CFLAGS-"-O -std1"} |
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| 140 | CFLAGS=${CFLAGS-"-O -std1"} |
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| 141 | LDFLAGS="${LDFLAGS} -Wl,-rpath,." |
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| 142 | LDSHARED=${LDSHARED-"cc -shared -Wl,-soname,libz.so -Wl,-msym -Wl,-rpath,$(libdir) -Wl,-set_version,${VER}:1.0"} ;; |
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| 143 | OSF1*) SFLAGS=${CFLAGS-"-O -std1"} |
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| 144 | CFLAGS=${CFLAGS-"-O -std1"} |
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| 145 | LDSHARED=${LDSHARED-"cc -shared -Wl,-soname,libz.so.1"} ;; |
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| 146 | QNX*) SFLAGS=${CFLAGS-"-4 -O"} |
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| 147 | CFLAGS=${CFLAGS-"-4 -O"} |
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| 148 | LDSHARED=${LDSHARED-"cc"} |
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| 149 | RANLIB=${RANLIB-"true"} |
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| 150 | AR_RC="cc -A" ;; |
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| 151 | SCO_SV\ 3.2*) SFLAGS=${CFLAGS-"-O3 -dy -KPIC "} |
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| 152 | CFLAGS=${CFLAGS-"-O3"} |
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| 153 | LDSHARED=${LDSHARED-"cc -dy -KPIC -G"} ;; |
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| 154 | SunOS\ 5*) LDSHARED=${LDSHARED-"cc -G"} |
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| 155 | case `(uname -m || echo unknown) 2>/dev/null` in |
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| 156 | i86*) |
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| 157 | SFLAGS=${CFLAGS-"-xpentium -fast -KPIC -R."} |
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| 158 | CFLAGS=${CFLAGS-"-xpentium -fast"} ;; |
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| 159 | *) |
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| 160 | SFLAGS=${CFLAGS-"-fast -xcg92 -KPIC -R."} |
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| 161 | CFLAGS=${CFLAGS-"-fast -xcg92"} ;; |
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| 162 | esac ;; |
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| 163 | SunOS\ 4*) SFLAGS=${CFLAGS-"-O2 -PIC"} |
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| 164 | CFLAGS=${CFLAGS-"-O2"} |
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| 165 | LDSHARED=${LDSHARED-"ld"} ;; |
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| 166 | SunStudio\ 9*) SFLAGS=${CFLAGS-"-fast -xcode=pic32 -xtarget=ultra3 -xarch=v9b"} |
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| 167 | CFLAGS=${CFLAGS-"-fast -xtarget=ultra3 -xarch=v9b"} |
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| 168 | LDSHARED=${LDSHARED-"cc -xarch=v9b"} ;; |
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| 169 | UNIX_System_V\ 4.2.0) |
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| 170 | SFLAGS=${CFLAGS-"-KPIC -O"} |
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| 171 | CFLAGS=${CFLAGS-"-O"} |
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| 172 | LDSHARED=${LDSHARED-"cc -G"} ;; |
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| 173 | UNIX_SV\ 4.2MP) |
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| 174 | SFLAGS=${CFLAGS-"-Kconform_pic -O"} |
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| 175 | CFLAGS=${CFLAGS-"-O"} |
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| 176 | LDSHARED=${LDSHARED-"cc -G"} ;; |
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| 177 | OpenUNIX\ 5) |
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| 178 | SFLAGS=${CFLAGS-"-KPIC -O"} |
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| 179 | CFLAGS=${CFLAGS-"-O"} |
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| 180 | LDSHARED=${LDSHARED-"cc -G"} ;; |
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| 181 | AIX*) # Courtesy of dbakker@arrayasolutions.com |
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| 182 | SFLAGS=${CFLAGS-"-O -qmaxmem=8192"} |
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| 183 | CFLAGS=${CFLAGS-"-O -qmaxmem=8192"} |
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| 184 | LDSHARED=${LDSHARED-"xlc -G"} ;; |
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| 185 | # send working options for other systems to zlib@gzip.org |
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| 186 | *) SFLAGS=${CFLAGS-"-O"} |
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| 187 | CFLAGS=${CFLAGS-"-O"} |
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| 188 | LDSHARED=${LDSHARED-"cc -shared"} ;; |
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| 189 | esac |
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| 190 | fi |
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| 191 | |
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| 192 | SHAREDLIB=${SHAREDLIB-"libz$shared_ext"} |
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| 193 | SHAREDLIBV=${SHAREDLIBV-"libz$shared_ext.$VER"} |
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| 194 | SHAREDLIBM=${SHAREDLIBM-"libz$shared_ext.$VER1"} |
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| 195 | |
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| 196 | if test $shared -eq 1; then |
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| 197 | echo Checking for shared library support... |
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| 198 | # we must test in two steps (cc then ld), required at least on SunOS 4.x |
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| 199 | if test "`($CC -w -c $SFLAGS $test.c) 2>&1`" = "" && |
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| 200 | test "`($LDSHARED $SFLAGS -o $test$shared_ext $test.o) 2>&1`" = ""; then |
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| 201 | echo Building shared library $SHAREDLIBV with $CC. |
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| 202 | elif test -z "$old_cc" -a -z "$old_cflags"; then |
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| 203 | echo No shared library support. |
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| 204 | shared=0; |
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| 205 | else |
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| 206 | echo Tested $CC -w -c $SFLAGS $test.c |
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| 207 | $CC -w -c $SFLAGS $test.c |
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| 208 | echo Tested $LDSHARED $SFLAGS -o $test$shared_ext $test.o |
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| 209 | $LDSHARED $SFLAGS -o $test$shared_ext $test.o |
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| 210 | echo 'No shared library support; try without defining CC and CFLAGS' |
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| 211 | shared=0; |
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| 212 | fi |
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| 213 | fi |
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| 214 | if test $shared -eq 0; then |
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| 215 | LDSHARED="$CC" |
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| 216 | ALL="static" |
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| 217 | TEST="all teststatic" |
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| 218 | SHAREDLIB="" |
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| 219 | SHAREDLIBV="" |
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| 220 | SHAREDLIBM="" |
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| 221 | echo Building static library $STATICLIB version $VER with $CC. |
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| 222 | else |
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| 223 | ALL="static shared" |
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| 224 | TEST="all teststatic testshared" |
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| 225 | fi |
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| 226 | |
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| 227 | cat > $test.c <<EOF |
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| 228 | #include <sys/types.h> |
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| 229 | off64_t dummy = 0; |
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| 230 | EOF |
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| 231 | if test "`($CC -c $CFLAGS -D_LARGEFILE64_SOURCE=1 $test.c) 2>&1`" = ""; then |
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| 232 | CFLAGS="${CFLAGS} -D_LARGEFILE64_SOURCE=1" |
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| 233 | SFLAGS="${SFLAGS} -D_LARGEFILE64_SOURCE=1" |
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| 234 | ALL="${ALL} all64" |
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| 235 | TEST="${TEST} test64" |
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| 236 | echo "Checking for off64_t... Yes." |
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| 237 | echo "Checking for fseeko... Yes." |
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| 238 | else |
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| 239 | echo "Checking for off64_t... No." |
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| 240 | cat > $test.c <<EOF |
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| 241 | #include <stdio.h> |
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| 242 | int main(void) { |
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| 243 | fseeko(NULL, 0, 0); |
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| 244 | return 0; |
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| 245 | } |
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| 246 | EOF |
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| 247 | if test "`($CC $CFLAGS -o $test $test.c) 2>&1`" = ""; then |
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| 248 | echo "Checking for fseeko... Yes." |
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| 249 | else |
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| 250 | CFLAGS="${CFLAGS} -DNO_FSEEKO" |
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| 251 | SFLAGS="${SFLAGS} -DNO_FSEEKO" |
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| 252 | echo "Checking for fseeko... No." |
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| 253 | fi |
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| 254 | fi |
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| 255 | |
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| 256 | cp -p zconf.h.in zconf.h |
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| 257 | |
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| 258 | cat > $test.c <<EOF |
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| 259 | #include <unistd.h> |
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| 260 | int main() { return 0; } |
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| 261 | EOF |
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| 262 | if test "`($CC -c $CFLAGS $test.c) 2>&1`" = ""; then |
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| 263 | sed < zconf.h "/^#ifdef HAVE_UNISTD_H.* may be/s/def HAVE_UNISTD_H\(.*\) may be/ 1\1 was/" > zconf.temp.h |
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| 264 | mv zconf.temp.h zconf.h |
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| 265 | echo "Checking for unistd.h... Yes." |
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| 266 | else |
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| 267 | echo "Checking for unistd.h... No." |
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| 268 | fi |
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| 269 | |
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| 270 | if test $zprefix -eq 1; then |
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| 271 | sed < zconf.h "/#ifdef Z_PREFIX.* may be/s/def Z_PREFIX\(.*\) may be/ 1\1 was/" > zconf.temp.h |
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| 272 | mv zconf.temp.h zconf.h |
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| 273 | echo "Using z_ prefix on all symbols." |
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| 274 | fi |
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| 275 | |
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| 276 | cat > $test.c <<EOF |
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| 277 | #include <stdio.h> |
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| 278 | #include <stdarg.h> |
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| 279 | #include "zconf.h" |
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| 280 | |
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| 281 | int main() |
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| 282 | { |
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| 283 | #ifndef STDC |
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| 284 | choke me |
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| 285 | #endif |
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| 286 | |
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| 287 | return 0; |
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| 288 | } |
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| 289 | EOF |
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| 290 | |
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| 291 | if test "`($CC -c $CFLAGS $test.c) 2>&1`" = ""; then |
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| 292 | echo "Checking whether to use vs[n]printf() or s[n]printf()... using vs[n]printf()." |
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| 293 | |
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| 294 | cat > $test.c <<EOF |
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| 295 | #include <stdio.h> |
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| 296 | #include <stdarg.h> |
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| 297 | |
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| 298 | int mytest(const char *fmt, ...) |
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| 299 | { |
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| 300 | char buf[20]; |
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| 301 | va_list ap; |
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| 302 | |
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| 303 | va_start(ap, fmt); |
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| 304 | vsnprintf(buf, sizeof(buf), fmt, ap); |
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| 305 | va_end(ap); |
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| 306 | return 0; |
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| 307 | } |
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| 308 | |
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| 309 | int main() |
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| 310 | { |
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| 311 | return (mytest("Hello%d\n", 1)); |
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| 312 | } |
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| 313 | EOF |
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| 314 | |
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| 315 | if test "`($CC $CFLAGS -o $test $test.c) 2>&1`" = ""; then |
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| 316 | echo "Checking for vsnprintf() in stdio.h... Yes." |
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| 317 | |
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| 318 | cat >$test.c <<EOF |
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| 319 | #include <stdio.h> |
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| 320 | #include <stdarg.h> |
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| 321 | |
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| 322 | int mytest(const char *fmt, ...) |
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| 323 | { |
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| 324 | int n; |
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| 325 | char buf[20]; |
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| 326 | va_list ap; |
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| 327 | |
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| 328 | va_start(ap, fmt); |
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| 329 | n = vsnprintf(buf, sizeof(buf), fmt, ap); |
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| 330 | va_end(ap); |
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| 331 | return n; |
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| 332 | } |
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| 333 | |
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| 334 | int main() |
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| 335 | { |
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| 336 | return (mytest("Hello%d\n", 1)); |
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| 337 | } |
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| 338 | EOF |
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| 339 | |
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| 340 | if test "`($CC -c $CFLAGS $test.c) 2>&1`" = ""; then |
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| 341 | echo "Checking for return value of vsnprintf()... Yes." |
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| 342 | else |
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| 343 | CFLAGS="$CFLAGS -DHAS_vsnprintf_void" |
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| 344 | SFLAGS="$SFLAGS -DHAS_vsnprintf_void" |
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| 345 | echo "Checking for return value of vsnprintf()... No." |
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| 346 | echo " WARNING: apparently vsnprintf() does not return a value. zlib" |
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| 347 | echo " can build but will be open to possible string-format security" |
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| 348 | echo " vulnerabilities." |
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| 349 | fi |
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| 350 | else |
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| 351 | CFLAGS="$CFLAGS -DNO_vsnprintf" |
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| 352 | SFLAGS="$SFLAGS -DNO_vsnprintf" |
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| 353 | echo "Checking for vsnprintf() in stdio.h... No." |
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| 354 | echo " WARNING: vsnprintf() not found, falling back to vsprintf(). zlib" |
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| 355 | echo " can build but will be open to possible buffer-overflow security" |
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| 356 | echo " vulnerabilities." |
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| 357 | |
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| 358 | cat >$test.c <<EOF |
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| 359 | #include <stdio.h> |
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| 360 | #include <stdarg.h> |
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| 361 | |
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| 362 | int mytest(const char *fmt, ...) |
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| 363 | { |
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| 364 | int n; |
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| 365 | char buf[20]; |
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| 366 | va_list ap; |
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| 367 | |
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| 368 | va_start(ap, fmt); |
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| 369 | n = vsprintf(buf, fmt, ap); |
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| 370 | va_end(ap); |
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| 371 | return n; |
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| 372 | } |
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| 373 | |
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| 374 | int main() |
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| 375 | { |
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| 376 | return (mytest("Hello%d\n", 1)); |
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| 377 | } |
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| 378 | EOF |
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| 379 | |
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| 380 | if test "`($CC -c $CFLAGS $test.c) 2>&1`" = ""; then |
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| 381 | echo "Checking for return value of vsprintf()... Yes." |
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| 382 | else |
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| 383 | CFLAGS="$CFLAGS -DHAS_vsprintf_void" |
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| 384 | SFLAGS="$SFLAGS -DHAS_vsprintf_void" |
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| 385 | echo "Checking for return value of vsprintf()... No." |
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| 386 | echo " WARNING: apparently vsprintf() does not return a value. zlib" |
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| 387 | echo " can build but will be open to possible string-format security" |
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| 388 | echo " vulnerabilities." |
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| 389 | fi |
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| 390 | fi |
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| 391 | else |
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| 392 | echo "Checking whether to use vs[n]printf() or s[n]printf()... using s[n]printf()." |
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| 393 | |
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| 394 | cat >$test.c <<EOF |
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| 395 | #include <stdio.h> |
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| 396 | |
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| 397 | int mytest() |
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| 398 | { |
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| 399 | char buf[20]; |
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| 400 | |
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| 401 | snprintf(buf, sizeof(buf), "%s", "foo"); |
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| 402 | return 0; |
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| 403 | } |
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| 404 | |
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| 405 | int main() |
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| 406 | { |
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| 407 | return (mytest()); |
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| 408 | } |
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| 409 | EOF |
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| 410 | |
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| 411 | if test "`($CC $CFLAGS -o $test $test.c) 2>&1`" = ""; then |
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| 412 | echo "Checking for snprintf() in stdio.h... Yes." |
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| 413 | |
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| 414 | cat >$test.c <<EOF |
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| 415 | #include <stdio.h> |
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| 416 | |
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| 417 | int mytest() |
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| 418 | { |
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| 419 | char buf[20]; |
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| 420 | |
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| 421 | return snprintf(buf, sizeof(buf), "%s", "foo"); |
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| 422 | } |
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| 423 | |
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| 424 | int main() |
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| 425 | { |
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| 426 | return (mytest()); |
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| 427 | } |
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| 428 | EOF |
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| 429 | |
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| 430 | if test "`($CC -c $CFLAGS $test.c) 2>&1`" = ""; then |
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| 431 | echo "Checking for return value of snprintf()... Yes." |
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| 432 | else |
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| 433 | CFLAGS="$CFLAGS -DHAS_snprintf_void" |
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| 434 | SFLAGS="$SFLAGS -DHAS_snprintf_void" |
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| 435 | echo "Checking for return value of snprintf()... No." |
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| 436 | echo " WARNING: apparently snprintf() does not return a value. zlib" |
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| 437 | echo " can build but will be open to possible string-format security" |
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| 438 | echo " vulnerabilities." |
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| 439 | fi |
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| 440 | else |
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| 441 | CFLAGS="$CFLAGS -DNO_snprintf" |
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| 442 | SFLAGS="$SFLAGS -DNO_snprintf" |
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| 443 | echo "Checking for snprintf() in stdio.h... No." |
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| 444 | echo " WARNING: snprintf() not found, falling back to sprintf(). zlib" |
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| 445 | echo " can build but will be open to possible buffer-overflow security" |
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| 446 | echo " vulnerabilities." |
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| 447 | |
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| 448 | cat >$test.c <<EOF |
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| 449 | #include <stdio.h> |
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| 450 | |
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| 451 | int mytest() |
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| 452 | { |
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| 453 | char buf[20]; |
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| 454 | |
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| 455 | return sprintf(buf, "%s", "foo"); |
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| 456 | } |
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| 457 | |
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| 458 | int main() |
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| 459 | { |
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| 460 | return (mytest()); |
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| 461 | } |
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| 462 | EOF |
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| 463 | |
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| 464 | if test "`($CC -c $CFLAGS $test.c) 2>&1`" = ""; then |
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| 465 | echo "Checking for return value of sprintf()... Yes." |
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| 466 | else |
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| 467 | CFLAGS="$CFLAGS -DHAS_sprintf_void" |
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| 468 | SFLAGS="$SFLAGS -DHAS_sprintf_void" |
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| 469 | echo "Checking for return value of sprintf()... No." |
|---|
| 470 | echo " WARNING: apparently sprintf() does not return a value. zlib" |
|---|
| 471 | echo " can build but will be open to possible string-format security" |
|---|
| 472 | echo " vulnerabilities." |
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| 473 | fi |
|---|
| 474 | fi |
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| 475 | fi |
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| 476 | |
|---|
| 477 | cat >$test.c <<EOF |
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| 478 | #include <errno.h> |
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| 479 | int main() { return 0; } |
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| 480 | EOF |
|---|
| 481 | if test "`($CC -c $CFLAGS $test.c) 2>&1`" = ""; then |
|---|
| 482 | echo "Checking for errno.h... Yes." |
|---|
| 483 | else |
|---|
| 484 | echo "Checking for errno.h... No." |
|---|
| 485 | CFLAGS="$CFLAGS -DNO_ERRNO_H" |
|---|
| 486 | SFLAGS="$SFLAGS -DNO_ERRNO_H" |
|---|
| 487 | fi |
|---|
| 488 | |
|---|
| 489 | CPP=${CPP-"$CC -E"} |
|---|
| 490 | case $CFLAGS in |
|---|
| 491 | *ASMV*) |
|---|
| 492 | if test "`nm $test.o | grep _hello`" = ""; then |
|---|
| 493 | CPP="$CPP -DNO_UNDERLINE" |
|---|
| 494 | echo Checking for underline in external names... No. |
|---|
| 495 | else |
|---|
| 496 | echo Checking for underline in external names... Yes. |
|---|
| 497 | fi ;; |
|---|
| 498 | esac |
|---|
| 499 | |
|---|
| 500 | rm -f $test.[co] $test $test$shared_ext |
|---|
| 501 | |
|---|
| 502 | # udpate Makefile |
|---|
| 503 | sed < Makefile.in " |
|---|
| 504 | /^CC *=/s#=.*#=$CC# |
|---|
| 505 | /^CFLAGS *=/s#=.*#=$CFLAGS# |
|---|
| 506 | /^SFLAGS *=/s#=.*#=$SFLAGS# |
|---|
| 507 | /^LDFLAGS *=/s#=.*#=$LDFLAGS# |
|---|
| 508 | /^LDSHARED *=/s#=.*#=$LDSHARED# |
|---|
| 509 | /^CPP *=/s#=.*#=$CPP# |
|---|
| 510 | /^STATICLIB *=/s#=.*#=$STATICLIB# |
|---|
| 511 | /^SHAREDLIB *=/s#=.*#=$SHAREDLIB# |
|---|
| 512 | /^SHAREDLIBV *=/s#=.*#=$SHAREDLIBV# |
|---|
| 513 | /^SHAREDLIBM *=/s#=.*#=$SHAREDLIBM# |
|---|
| 514 | /^AR *=/s#=.*#=$AR_RC# |
|---|
| 515 | /^RANLIB *=/s#=.*#=$RANLIB# |
|---|
| 516 | /^EXE *=/s#=.*#=$EXE# |
|---|
| 517 | /^prefix *=/s#=.*#=$prefix# |
|---|
| 518 | /^exec_prefix *=/s#=.*#=$exec_prefix# |
|---|
| 519 | /^libdir *=/s#=.*#=$libdir# |
|---|
| 520 | /^includedir *=/s#=.*#=$includedir# |
|---|
| 521 | /^mandir *=/s#=.*#=$mandir# |
|---|
| 522 | /^all: */s#:.*#: $ALL# |
|---|
| 523 | /^test: */s#:.*#: $TEST# |
|---|
| 524 | " > Makefile |
|---|
| 525 | |
|---|
| 526 | sed < zlib.pc.in " |
|---|
| 527 | /^CC *=/s#=.*#=$CC# |
|---|
| 528 | /^CFLAGS *=/s#=.*#=$CFLAGS# |
|---|
| 529 | /^CPP *=/s#=.*#=$CPP# |
|---|
| 530 | /^LDSHARED *=/s#=.*#=$LDSHARED# |
|---|
| 531 | /^STATICLIB *=/s#=.*#=$STATICLIB# |
|---|
| 532 | /^SHAREDLIB *=/s#=.*#=$SHAREDLIB# |
|---|
| 533 | /^SHAREDLIBV *=/s#=.*#=$SHAREDLIBV# |
|---|
| 534 | /^SHAREDLIBM *=/s#=.*#=$SHAREDLIBM# |
|---|
| 535 | /^AR *=/s#=.*#=$AR_RC# |
|---|
| 536 | /^RANLIB *=/s#=.*#=$RANLIB# |
|---|
| 537 | /^EXE *=/s#=.*#=$EXE# |
|---|
| 538 | /^prefix *=/s#=.*#=$prefix# |
|---|
| 539 | /^exec_prefix *=/s#=.*#=$exec_prefix# |
|---|
| 540 | /^libdir *=/s#=.*#=$libdir# |
|---|
| 541 | /^includedir *=/s#=.*#=$includedir# |
|---|
| 542 | /^mandir *=/s#=.*#=$mandir# |
|---|
| 543 | /^LDFLAGS *=/s#=.*#=$LDFLAGS# |
|---|
| 544 | " | sed -e " |
|---|
| 545 | s/\@VERSION\@/$VER/g; |
|---|
| 546 | " > zlib.pc |
|---|
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