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dnl A version of AS_COMPILER_FLAG that supports both C and C++.
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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 TP_COMPILER_FLAG(CFLAGS, ACTION-IF-ACCEPTED, [ACTION-IF-NOT-ACCEPTED])
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dnl Tries to compile with the given CFLAGS and CXXFLAGS.
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dnl Runs ACTION-IF-ACCEPTED if the compiler for the currently selected
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dnl AC_LANG can compile with the flags, and ACTION-IF-NOT-ACCEPTED otherwise.
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AC_DEFUN([TP_COMPILER_FLAG],
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AC_MSG_CHECKING([to see if compiler understands $1])
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save_CXXFLAGS="$CXXFLAGS"
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CXXFLAGS="$CXXFLAGS $1"
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AC_TRY_COMPILE([ ], [], [flag_ok=yes], [flag_ok=no])
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CXXFLAGS="$save_CXXFLAGS"
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if test "X$flag_ok" = Xyes ; then
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AC_MSG_RESULT([$flag_ok])