forked from mia/Aegisub
51 lines
1.1 KiB
Text
51 lines
1.1 KiB
Text
AC_DEFUN([AC_C_FLAG], [{
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AC_LANG_PUSH(C)
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ac_c_flag_save="$CFLAGS"
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CFLAGS="$CFLAGS $1"
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AC_MSG_CHECKING([[whether $CC supports $1]])
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AC_COMPILE_IFELSE(
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[AC_LANG_PROGRAM([[]])],
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[AC_MSG_RESULT([yes])],
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[
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CFLAGS="$ac_c_flag_save"
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AC_MSG_RESULT([no])
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$2
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])
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AC_LANG_POP(C)
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}])
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AC_DEFUN([AC_CXX_FLAG], [{
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AC_LANG_PUSH(C++)
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ac_cxx_flag_save="$CXXFLAGS"
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CXXFLAGS="$CXXFLAGS $1"
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AC_MSG_CHECKING([[whether $CXX supports $1]])
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AC_COMPILE_IFELSE(
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[AC_LANG_PROGRAM([[]])],
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[AC_MSG_RESULT([yes])],
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[
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CXXFLAGS="$ac_cxx_flag_save"
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AC_MSG_RESULT([no])
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$2
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])
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AC_LANG_POP(C++)
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}])
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AC_DEFUN([AC_PCH_FLAG], [{
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AC_LANG_PUSH(C++)
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ac_cxx_flag_save="$CXXFLAGS"
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ac_cxx_werror_flag_save="$ac_cxx_werror_flag"
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ac_cxx_werror_flag=yes
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CXXFLAGS="$CXXFLAGS -Werror $1"
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AC_MSG_CHECKING([[whether $CXX supports $1]])
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AC_COMPILE_IFELSE(
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[AC_LANG_PROGRAM([[]])],
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[
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PCHFLAGS="$PCHFLAGS $1"
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AC_MSG_RESULT([yes])
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],
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[
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AC_MSG_RESULT([no])
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$2
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])
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CXXFLAGS="$ac_cxx_flag_save"
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ac_cxx_werror_flag="$ac_cxx_werror_flag_save"
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AC_LANG_POP(C++)
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}])
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