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gcc-pipe.m4 @ a7a08713

4.104.114.84.95

Last change on this file since a7a08713 was a7a08713, checked in by Joel Sherrill <joel.sherrill@…>, on 03/20/98 at 16:52:10
Patch from Ralf Corsepius to properly detect that Cygwin32 does not support the -pipe option on the compiler.
Property mode set to `100644`
File size: 575 bytes

Line
1	dnl
2	dnl $Id$
3	dnl
4	dnl Check whether the target compiler accepts -pipe
5	dnl
6	dnl 98/02/11 Ralf Corsepius corsepiu@faw.uni-ulm.de
7	dnl
8
9	AC_DEFUN(RTEMS_GCC_PIPE,
10	[AC_REQUIRE([RTEMS_PROG_CC])
11	AC_REQUIRE([AC_CANONICAL_HOST])
12	AC_CACHE_CHECK(whether $CC_FOR_TARGET accepts --pipe,rtems_cv_gcc_pipe,
13	[
14	case "$host_os" in
15	cygwin32*)
16	rtems_cv_gcc_pipe=no
17	;;
18	*)
19	echo 'void f(){}' >conftest.c
20	if test -z "`${CC_FOR_TARGET} --pipe -c conftest.c 2>&1`";then
21	rtems_cv_gcc_pipe=yes
22	else
23	rtems_cv_gcc_pipe=no
24	fi
25	rm -f conftest*
26	;;
27	esac
28	])
29	])

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