Revert r329829 to restore compiler.mk

1 files changed, 116 insertions, 0 deletions

diff --git a/Mk/Uses/compiler.mk b/Mk/Uses/compiler.mk
new file mode 100644
index 000000000000..dee4aa4522f3
--- /dev/null
+++ b/Mk/Uses/compiler.mk
@@ -0,0 +1,116 @@
+# $FreeBSD$
+#
+# Allows to feature determine the compiler used
+#
+# MAINTAINER: portmgr@FreeBSD.org
+#
+# Feature:	compiler
+# Usage:	USES=compiler or USES=compiler:ARGS
+# Valid ARGS:	env (default, implicit) c++11-lib c++11-lang c11 features
+#
+# c++11-lang:	The port need a compiler understanding C++11
+# c++11-lib:	The port need a compiler understanding C++11 and with a C++11 ready standard library
+# c11:		The port need a compiler understanding c11
+# features:	The port will determine the features supported by the default compiler
+#
+# Variable to test after <bsd.port.pre.mk>
+#
+# COMPILER_TYPE:	can be gcc or clang
+# COMPILER_VERSION:	2 first digit of the version: 33 for clang 3.3.*, 46 for gcc 4.6.*
+#
+# COMPILER_FEATURES:	the list of features supported by the compiler include the standard C++ library.
+
+.if !defined(_INCLUDE_USES_COMPILER_MK)
+_INCLUDE_USES_COMPILER_MK=	yes
+
+.if !defined(compiler_ARGS)
+compiler_ARGS=	env
+.endif
+
+VALID_ARGS=	c++11-lib c++11-lang c11 features env
+
+.if ${compiler_ARGS} == c++11-lib
+_COMPILER_ARGS+=	features c++11-lib
+.elif ${compiler_ARGS} == c++11-lang
+_COMPILER_ARGS+=	features c++11-lang
+.elif ${compiler_ARGS} == c11
+_COMPILER_ARGS+=	features c11
+.elif ${compiler_ARGS} == features
+_COMPILER_ARGS+=	features
+.elif ${compiler_ARGS} == env
+_COMPILER_ARGS+=	env
+.else
+IGNORE=	Invalid argument "${compiler_ARGS}", valid arguments are: ${VALID_ARGS}
+_COMPILER_ARGS=	#
+.endif
+
+.if ${_COMPILER_ARGS:Mc++11*} || ${_COMPILER_ARGS:Mc11}
+_COMPILER_ARGS+=	features
+.endif
+
+_CCVERSION!=	${CC} --version
+COMPILER_VERSION=	${_CCVERSION:M[0-9].[0-9]*:C/([0-9]).([0-9]).*/\1\2/g}
+.if ${_CCVERSION:Mclang}
+COMPILER_TYPE=	clang
+.elif ${_CCVERSION:Mgcc*} || ${_CCVERSION:M\(GCC\)}
+COMPILER_TYPE=	gcc
+.endif
+
+.if ${_COMPILER_ARGS:Mfeatures}
+_CXXINTERNAL!=	${CXX} -\#\#\# /dev/null 2>&1
+.if ${_CXXINTERNAL:M\"-lc++\"}
+COMPILER_FEATURES=	libc++
+.else
+COMPILER_FEATURES=	libstdc++
+.endif
+
+CSTD=	c89 c99 c11 gnu89 gnu99 gnu11
+CXXSTD=	c++98 c++11 gnu++98 gnu++11
+
+.for std in ${CSTD} ${CXXSTD}
+_LANG=c
+.if ${CXXSTD:M${std}}
+_LANG=c++
+.endif
+OUTPUT_${std}!=	echo | ${CC} -std=${std} -c -x ${_LANG} /dev/null -o /dev/null 2>&1; echo
+.if !${OUTPUT_${std}:M*error*}
+COMPILER_FEATURES+=	${std}
+.endif
+.endfor
+.endif
+
+.if ${_COMPILER_ARGS:Mc++11-lib}
+.if !${COMPILER_FEATURES:Mc++11-lang}
+USE_GCC=	yes
+.elif ${COMPILER_TYPE} == clang && ${COMPILER_FEATURES:Mc++11-lib}
+USE_GCC=	yes
+.endif
+.endif
+
+.if ${_COMPILER_ARGS:Mc++11-lang}
+.if !${COMPILER_FEATURES:Mc++11}
+.if defined(FAVORITE_COMPILER) && ${FAVORITE_COMPILER} == gcc
+USE_GCC=	yes
+.elif (${COMPILER_TYPE} == clang && ${COMPILER_VERSION} < 33) || ${COMPILER_TYPE} == gcc
+BUILD_DEPENDS+=	${LOCALBASE}/bin/clang33:${PORTSDIR}/lang/clang33
+CPP=	${LOCALBASE}/bin/clang-cpp33
+CC=	${LOCALBASE}/bin/clang33
+CXX=	${LOCALBASE}/bin/clang++33
+.endif
+.endif
+.endif
+
+.if ${_COMPILER_ARGS:Mc11}
+.if !${COMPILER_FEATURES:Mc11}
+.if defined(FAVORITE_COMPILER) && ${FAVORITE_COMPILER} == gcc
+USE_GCC=	yes
+.elif (${COMPILER_TYPE} == clang && ${COMPILER_VERSION} < 33) || ${COMPILER_TYPE} == gcc
+BUILD_DEPENDS+=	${LOCALBASE}/bin/clang33:${PORTSDIR}/lang/clang33
+CPP=	${LOCALBASE}/bin/clang-cpp33
+CC=	${LOCALBASE}/bin/clang33
+CXX=	${LOCALBASE}/bin/clang++33
+.endif
+.endif
+.endif
+
+.endif