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source:
rtems/aclocal/gcc-pipe.m4
@
2e0fd427
| Last change on this file since 2e0fd427 was 2e0fd427, checked in by Joel Sherrill <joel.sherrill@…>, on 11/02/00 at 15:44:04 | |
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| File size: 439 bytes | |
| Rev | Line | |
|---|---|---|
| [51c195d5] | 1 | dnl |
| 2 | dnl $Id$ | |
| 3 | dnl | |
| 4 | dnl Check whether the target compiler accepts -pipe | |
| 5 | dnl | |
| 6 | ||
| 7 | AC_DEFUN(RTEMS_GCC_PIPE, | |
| [a7a08713] | 8 | [AC_REQUIRE([RTEMS_PROG_CC]) |
| 9 | AC_REQUIRE([AC_CANONICAL_HOST]) | |
| [2e0fd427] | 10 | AC_CACHE_CHECK(whether $CC accepts --pipe,rtems_cv_gcc_pipe, |
| [51c195d5] | 11 | [ |
| [98100d2] | 12 | rtems_cv_gcc_pipe=no |
| [2e0fd427] | 13 | if test "$ac_cv_prog_gcc" = "yes"; then |
| [a7a08713] | 14 | echo 'void f(){}' >conftest.c |
| [2e0fd427] | 15 | if test -z "`${CC} --pipe -c conftest.c 2>&1`";then |
| [a7a08713] | 16 | rtems_cv_gcc_pipe=yes |
| 17 | fi | |
| 18 | rm -f conftest* | |
| [98100d2] | 19 | fi |
| [a7a08713] | 20 | ]) |
| 21 | ]) |
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