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m4/compiler_flag_chk.m4: fix bug related to not testing the actual flag
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parent
a9e028f7c6
commit
b29bd77a2f
1 changed files with 8 additions and 8 deletions
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@ -5,17 +5,17 @@ AC_DEFUN([CXX_FLAG_CHECK],
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[dnl
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AC_MSG_CHECKING([if $CXX supports $1])
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AC_LANG_PUSH([C++])
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ac_saved_cxxflags="$CXX_COMPILER_FLAGS"
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CXX_COMPILER_FLAGS="-Werror $1"
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ac_saved_cxxflags="$CXXFLAGS"
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CXXFLAGS="-Werror $1"
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM([])],
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[cxx_flag_check=yes],
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[cxx_flag_check=no]
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)
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AC_MSG_RESULT([$cxx_flag_check])
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CXX_COMPILER_FLAGS="$ac_saved_cxxflags"
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CXXFLAGS="$ac_saved_cxxflags"
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if test "$cxx_flag_check" = yes
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then
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CXX_COMPILER_FLAGS="$CXX_COMPILER_FLAGS $1"
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CXX_COMPILER_FLAGS="$1 $CXX_COMPILER_FLAGS "
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fi
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AC_LANG_POP([C++])
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])
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@ -24,17 +24,17 @@ AC_DEFUN([C_FLAG_CHECK],
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[dnl
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AC_MSG_CHECKING([if $CC supports $1])
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AC_LANG_PUSH([C])
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ac_saved_ccflags="$C_COMPILER_FLAGS"
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C_COMPILER_FLAGS="-Werror $1"
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ac_saved_ccflags="$CFLAGS"
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CFLAGS="-Werror $1"
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM([])],
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[cc_flag_check=yes],
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[cc_flag_check=no]
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)
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AC_MSG_RESULT([$cc_flag_check])
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C_COMPILER_FLAGS="$ac_saved_ccflags"
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CFLAGS="$ac_saved_ccflags"
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if test "$cc_flag_check" = yes
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then
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C_COMPILER_FLAGS="$C_COMPILER_FLAGS $1"
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C_COMPILER_FLAGS="$1 $C_COMPILER_FLAGS "
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fi
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AC_LANG_POP([C])
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])
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