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Diffstat (limited to 'm4/as-compiler-flag.m4')
| -rw-r--r-- | m4/as-compiler-flag.m4 | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/m4/as-compiler-flag.m4 b/m4/as-compiler-flag.m4 new file mode 100644 index 0000000..2f0ba19 --- /dev/null +++ b/m4/as-compiler-flag.m4 @@ -0,0 +1,25 @@ +dnl as-compiler-flag.m4 0.0.1 +dnl autostars m4 macro for detection of compiler flags +dnl +dnl ds@schleef.org + +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 + $2 + true + else + $3 + true + fi + AC_MSG_RESULT([$flag_ok]) +]) + |