2019-12-03 21:47:54 +00:00
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# SYNOPSIS
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#
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# GS_RUNTIME_ABI([default_runtime_abi])
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#
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# DESCRIPTION
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#
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2019-12-06 21:29:31 +00:00
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# This macro determine the correct runtime ABI to use.
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2019-12-03 21:47:54 +00:00
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#
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AC_DEFUN([GS_RUNTIME_ABI],dnl
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[AC_REQUIRE([GS_LIBRARY_COMBO])
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2019-12-04 07:52:22 +00:00
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AC_REQUIRE([GS_CHECK_RUNTIME_ABI20_SUPPORT])
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AC_REQUIRE([GS_CHECK_CC_IS_CLANG])
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AC_REQUIRE([GS_CHECK_GCC_VERSION])
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2019-12-04 01:17:39 +00:00
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case "$OBJC_RUNTIME_LIB" in
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2019-12-03 21:47:54 +00:00
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gnu) default_runtime_abi=gcc ;;
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ng) default_runtime_abi=gnustep-1.8 ;;
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*) default_runtime_abi="(unknown)" ;;
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esac
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if test ! x"$1" = x""; then
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default_runtime_abi="$1"
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2019-12-04 07:52:22 +00:00
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elif test x"$OBJC_RUNTIME_LIB" = x"ng" -a x"$libobjc_SUPPORTS_ABI20" = x"yes" -a x"$CLANG_CC" = x"yes" -a "${gs_cv_gcc_major_version}" -ge "8"; then
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default_runtime_abi=gnustep-2.0
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2019-12-03 21:47:54 +00:00
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fi
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AC_ARG_WITH([runtime-abi],
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[AS_HELP_STRING([--with-runtime-abi], [
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When using the ng runtime library, allows control over the -fobjc-runtime= flag passed to clang.
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])],,
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[with_runtime_abi=]${default_runtime_abi})
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2019-12-04 01:17:39 +00:00
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AC_CACHE_CHECK([for runtime ABI],[_gs_cv_runtime_abi], [
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2019-12-03 21:47:54 +00:00
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_gs_cv_runtime_abi=${with_runtime_abi}
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])
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AS_VAR_IF([_gs_cv_runtime_abi], ["(unknown)"], [AS_UNSET(gs_cv_runtime_abi)], [AS_VAR_SET([gs_cv_runtime_abi], [${_gs_cv_runtime_abi}])])
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AC_SUBST([gs_cv_runtime_abi])
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])
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