[Midnightbsd-cvs] mports [15657] trunk/Mk: introduce compiler.mk from FreeBSD ports.

[laffer1 at midnightbsd.org]

Revision: 15657
          http://svnweb.midnightbsd.org/mports/?rev=15657
Author:   laffer1
Date:     2013-12-07 16:08:59 -0500 (Sat, 07 Dec 2013)
Log Message:
-----------
introduce compiler.mk from FreeBSD ports.

Modified Paths:
--------------
    trunk/Mk/bsd.mport.mk

Added Paths:
-----------
    trunk/Mk/extensions/compiler.mk

Modified: trunk/Mk/bsd.mport.mk
===================================================================
--- trunk/Mk/bsd.mport.mk	2013-12-07 21:08:25 UTC (rev 15656)
+++ trunk/Mk/bsd.mport.mk	2013-12-07 21:08:59 UTC (rev 15657)
@@ -333,7 +333,7 @@
 # This is the order that we used before the extensions where refactored. 
 # in the future if things could be fixed to work when loaded alphabetacally, then
 # we could go back to the above approach.
-_ALL_EXT=	charsetfix pathfix pkgconfig linux_rpm linux_apps xorg fortran \
+_ALL_EXT=	charsetfix pathfix pkgconfig compiler linux_rpm linux_apps xorg fortran \
 		gcc fmake gmake bison local perl5 openssl \
 		emacs gnustep php python java ruby tcl apache kde qt \
 		autotools gnome lua wx gstreamer sdl xfce kde4 cmake mysql \

Added: trunk/Mk/extensions/compiler.mk
===================================================================
--- trunk/Mk/extensions/compiler.mk	                        (rev 0)
+++ trunk/Mk/extensions/compiler.mk	2013-12-07 21:08:59 UTC (rev 15657)
@@ -0,0 +1,166 @@
+# $MidnightBSD$
+#
+# Allows to feature determine the compiler used
+#
+# Feature:	compiler
+# Usage:	USES=compiler or USES=compiler:ARGS
+# Valid ARGS:	env (default, implicit) c++11-lib c++11-lang c11 openmp 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
+# openmp:	The port need a compiler understanding openmp
+# 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
+# ALT_COMPILER_TYPE:	can be gcc or clang depending on COMPILER_TYPE and only set if the base system has 2 compiler
+# COMPILER_VERSION:	2 first digit of the version: 33 for clang 3.3.*, 46 for gcc 4.6.*
+# ALT_COMPILER_VERSION:	2 first digit of the version: 33 for clang 3.3.*, 46 for gcc 4.6.* of the ALT_COMPILER_TYPE
+#
+# COMPILER_FEATURES:	the list of features supported by the compiler include the standard C++ library.
+# CHOSEN_COMPILER_TYPE:	can be gcc or clang (type of compiler chosen by the framework)
+
+.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 openmp 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
+.elif ${compiler_ARGS} == openmp
+_COMPILER_ARGS+=	env openmp
+.else
+IGNORE=	Invalid argument "${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
+.else
+COMPILER_TYPE=	gcc
+.endif
+
+ALT_COMPILER_VERSION=	0
+ALT_COMPILER_TYPE=	none
+_ALTCCVERSION=	
+.if ${COMPILER_TYPE} == gcc && exists(/usr/bin/clang)
+_ALTCCVERSION!=	/usr/bin/clang --version
+.elif ${COMPILER_TYPE} == clang && exists(/usr/bin/gcc)
+_ALTCCVERSION!=	/usr/bin/gcc --version
+.endif
+
+ALT_COMPILER_VERSION=	${_ALTCCVERSION:M[0-9].[0-9]*:C/([0-9]).([0-9]).*/\1\2/g}
+.if ${_ALTCCVERSION:Mclang}
+ALT_COMPILER_TYPE=	clang
+.elif !empty(_ALTCCVERSION)
+ALT_COMPILER_TYPE=	gcc
+.endif
+
+CHOSEN_COMPILER_TYPE=	${COMPILER_TYPE}
+
+.if ${_COMPILER_ARGS:Mopenmp}
+.if ${COMPILER_TYPE} == clang
+USE_GCC=	yes
+CHOSEN_COMPILER_TYPE=	gcc
+.endif
+.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}
+USE_GCC=	4.7+
+CHOSEN_COMPILER_TYPE=	gcc
+.elif ${COMPILER_TYPE} == clang && ${COMPILER_FEATURES:Mlibstdc++}
+USE_GCC=	4.7+
+CHOSEN_COMPILER_TYPE=	gcc
+.endif
+.endif
+
+.if ${_COMPILER_ARGS:Mc++11-lang}
+.if !${COMPILER_FEATURES:Mc++11}
+.if defined(FAVORITE_COMPILER) && ${FAVORITE_COMPILER} == gcc
+USE_GCC=	4.7+
+CHOSEN_COMPILER_TYPE=	gcc
+.elif (${COMPILER_TYPE} == clang && ${COMPILER_VERSION} < 33) || ${COMPILER_TYPE} == gcc
+.if ${ALT_COMPILER_TYPE} == clang && ${ALT_COMPILER_VERSION} >= 33
+CPP=	clang-cpp
+CC=	clang
+CXX=	clang++
+CHOSEN_COMPILER_TYPE=	clang
+.else
+BUILD_DEPENDS+=	${LOCALBASE}/bin/clang33:${PORTSDIR}/lang/clang33
+CPP=	${LOCALBASE}/bin/clang-cpp33
+CC=	${LOCALBASE}/bin/clang33
+CXX=	${LOCALBASE}/bin/clang++33
+CHOSEN_COMPILER_TYPE=	clang
+.if ${OSVERSION} < 900033
+USE_BINUTILS=	yes
+LDFLAGS+=	-B${LOCALBASE}/bin
+.endif
+.endif
+.endif
+.endif
+.endif
+
+.if ${_COMPILER_ARGS:Mc11}
+.if !${COMPILER_FEATURES:Mc11}
+.if defined(FAVORITE_COMPILER) && ${FAVORITE_COMPILER} == gcc
+USE_GCC=	4.7+
+CHOSEN_COMPILER_TYPE=	gcc
+.elif (${COMPILER_TYPE} == clang && ${COMPILER_VERSION} < 33) || ${COMPILER_TYPE} == gcc
+BUILD_DEPENDS+=	${LOCALBASE}/bin/clang33:${PORTSDIR}/lang/clang33
+CHOSEN_COMPILER_TYPE=	clang
+CPP=	${LOCALBASE}/bin/clang-cpp33
+CC=	${LOCALBASE}/bin/clang33
+CXX=	${LOCALBASE}/bin/clang++33
+.if ${OSVERSION} < 900033
+USE_BINUTILS=	yes
+LDFLAGS+=	-B${LOCALBASE}/bin
+.endif
+.endif
+.endif
+.endif
+
+.endif