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Last change
on this file since 2527 was
2527,
checked in by Sam Hocevar, 13 years ago
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- Build on HP-UX systems: disable unsupported warning flags, define
_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.
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File size:
510 bytes
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| Line | |
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| 1 | dnl AC_TRY_CFLAGS (CFLAGS, [ACTION-IF-WORKS], [ACTION-IF-FAILS]) |
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| 2 | dnl check if $CC supports a given set of cflags |
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| 3 | AC_DEFUN([AC_TRY_CFLAGS], |
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| 4 | [AC_MSG_CHECKING([if $CC supports $1 flags]) |
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| 5 | SAVE_CFLAGS="$CFLAGS" |
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| 6 | CFLAGS="$1" |
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| 7 | AC_TRY_COMPILE([],[],[ac_cv_try_cflags_ok=yes],[ac_cv_try_cflags_ok=no]) |
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| 8 | CFLAGS="$SAVE_CFLAGS" |
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| 9 | AC_MSG_RESULT([$ac_cv_try_cflags_ok]) |
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| 10 | if test x"$ac_cv_try_cflags_ok" = x"yes"; then |
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| 11 | ifelse([$2],[],[:],[$2]) |
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| 12 | else |
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| 13 | ifelse([$3],[],[:],[$3]) |
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| 14 | fi]) |
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