b448cd4759
_XOPEN_SOURCE_EXTENDED where appropriate, use AC_C_INLINE to avoid using
the inline keyword when unsupported, and use #pragma INIT for library
initialisation routines.
15 lines
510 B
Plaintext
15 lines
510 B
Plaintext
dnl AC_TRY_CFLAGS (CFLAGS, [ACTION-IF-WORKS], [ACTION-IF-FAILS])
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dnl check if $CC supports a given set of cflags
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AC_DEFUN([AC_TRY_CFLAGS],
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[AC_MSG_CHECKING([if $CC supports $1 flags])
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SAVE_CFLAGS="$CFLAGS"
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CFLAGS="$1"
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AC_TRY_COMPILE([],[],[ac_cv_try_cflags_ok=yes],[ac_cv_try_cflags_ok=no])
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CFLAGS="$SAVE_CFLAGS"
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AC_MSG_RESULT([$ac_cv_try_cflags_ok])
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if test x"$ac_cv_try_cflags_ok" = x"yes"; then
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ifelse([$2],[],[:],[$2])
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else
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ifelse([$3],[],[:],[$3])
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fi])
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