author | morphbr |
Thu May 17 21:58:17 2007 +0100 (2007-05-17) | |
branch | trunk |
changeset 686 | b29ea6deb6f8 |
parent 38 | d5f5855e7800 |
permissions | -rwxr-xr-x |
melunko@38 | 1 |
dnl as-compiler-flag.m4 0.1.0 |
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dnl autostars m4 macro for detection of compiler flags |
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dnl David Schleef <ds@schleef.org> |
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renatofilho@621 | 7 |
dnl $Id: as-compiler-flag.m4,v 1.1 2005/06/18 18:02:46 burgerman Exp $ |
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dnl AS_COMPILER_FLAG(CFLAGS, ACTION-IF-ACCEPTED, [ACTION-IF-NOT-ACCEPTED]) |
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dnl Tries to compile with the given CFLAGS. |
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dnl Runs ACTION-IF-ACCEPTED if the compiler can compile with the flags, |
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dnl and ACTION-IF-NOT-ACCEPTED otherwise. |
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AC_DEFUN([AS_COMPILER_FLAG], |
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[ |
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AC_MSG_CHECKING([to see if compiler understands $1]) |
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|
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save_CFLAGS="$CFLAGS" |
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CFLAGS="$CFLAGS $1" |
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|
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AC_TRY_COMPILE([ ], [], [flag_ok=yes], [flag_ok=no]) |
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CFLAGS="$save_CFLAGS" |
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|
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if test "X$flag_ok" = Xyes ; then |
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$2 |
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true |
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else |
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$3 |
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true |
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fi |
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AC_MSG_RESULT([$flag_ok]) |
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]) |