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23 lines
771 B
Text
23 lines
771 B
Text
# serial 3
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# Find valid warning flags for the C Compiler. -*-Autoconf-*-
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dnl Copyright (C) 2001, 2002, 2006 Free Software Foundation, Inc.
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dnl This file is free software; the Free Software Foundation
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dnl gives unlimited permission to copy and/or distribute it,
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dnl with or without modifications, as long as this notice is preserved.
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dnl Written by Jesse Thilo.
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AC_DEFUN([gl_COMPILER_FLAGS],
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[AC_MSG_CHECKING(whether compiler accepts $1)
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AC_SUBST(COMPILER_FLAGS)
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ac_save_CFLAGS="$CFLAGS"
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CFLAGS="$CFLAGS $1"
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ac_save_CXXFLAGS="$CXXFLAGS"
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CXXFLAGS="$CXXFLAGS $1"
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AC_TRY_COMPILE(,
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[int x;],
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COMPILER_FLAGS="$COMPILER_FLAGS $1"
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AC_MSG_RESULT(yes),
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AC_MSG_RESULT(no))
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CFLAGS="$ac_save_CFLAGS"
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CXXFLAGS="$ac_save_CXXFLAGS"
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])
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