diff options
Diffstat (limited to 'm4/as-compiler-flag.m4')
-rw-r--r-- | m4/as-compiler-flag.m4 | 62 |
1 files changed, 0 insertions, 62 deletions
diff --git a/m4/as-compiler-flag.m4 b/m4/as-compiler-flag.m4 deleted file mode 100644 index 0f660cf..0000000 --- a/m4/as-compiler-flag.m4 +++ /dev/null @@ -1,62 +0,0 @@ -dnl as-compiler-flag.m4 0.1.0 - -dnl autostars m4 macro for detection of compiler flags - -dnl David Schleef <ds@schleef.org> - -dnl $Id: as-compiler-flag.m4,v 1.1 2005/12/15 23:35:19 ds Exp $ - -dnl AS_COMPILER_FLAG(CFLAGS, ACTION-IF-ACCEPTED, [ACTION-IF-NOT-ACCEPTED]) -dnl Tries to compile with the given CFLAGS. -dnl Runs ACTION-IF-ACCEPTED if the compiler can compile with the flags, -dnl and ACTION-IF-NOT-ACCEPTED otherwise. - -AC_DEFUN([AS_COMPILER_FLAG], -[ - AC_MSG_CHECKING([to see if compiler understands $1]) - - save_CFLAGS="$CFLAGS" - CFLAGS="$CFLAGS $1" - - AC_TRY_COMPILE([ ], [], [flag_ok=yes], [flag_ok=no]) - CFLAGS="$save_CFLAGS" - - if test "X$flag_ok" = Xyes ; then - m4_ifvaln([$2],[$2]) - true - else - m4_ifvaln([$3],[$3]) - true - fi - AC_MSG_RESULT([$flag_ok]) -]) - -dnl AS_COMPILER_FLAGS(VAR, FLAGS) -dnl Tries to compile with the given CFLAGS. - -AC_DEFUN([AS_COMPILER_FLAGS], -[ - list=$2 - flags_supported="" - flags_unsupported="" - AC_MSG_CHECKING([for supported compiler flags]) - for each in $list - do - save_CFLAGS="$CFLAGS" - CFLAGS="$CFLAGS $each" - AC_TRY_COMPILE([ ], [], [flag_ok=yes], [flag_ok=no]) - CFLAGS="$save_CFLAGS" - - if test "X$flag_ok" = Xyes ; then - flags_supported="$flags_supported $each" - else - flags_unsupported="$flags_unsupported $each" - fi - done - AC_MSG_RESULT([$flags_supported]) - if test "X$flags_unsupported" != X ; then - AC_MSG_WARN([unsupported compiler flags: $flags_unsupported]) - fi - $1="$$1 $flags_supported" -]) - |