libgnomevfs2-mythtv/m4/as-compiler-flag.m4
author morphbr
Thu May 17 21:58:17 2007 +0100 (2007-05-17)
branchtrunk
changeset 686 b29ea6deb6f8
parent 38 d5f5855e7800
permissions -rwxr-xr-x
[svn r692] * Gmyth:
- Print size in gmyth_cat

* GMyth-Streamer:
- Bug fix to get size
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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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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 $1])
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  save_CFLAGS="$CFLAGS"
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  CFLAGS="$CFLAGS $1"
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  AC_TRY_COMPILE([ ], [], [flag_ok=yes], [flag_ok=no])
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  CFLAGS="$save_CFLAGS"
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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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])