start of improved compiler handling, mostly derived from the existing

gcc buildlink2.mk files and splitting the non-buildlink2.mk bits out
into compiler.mk.

this allows USE_GCC2 and USE_GCC3 to work with non-buildlink2 packages
again.

3 files changed, 100 insertions, 39 deletions

diff --git a/mk/bsd.pkg.mk b/mk/bsd.pkg.mk
index ea50e10705f..48633de9128 100644
--- a/mk/bsd.pkg.mk
+++ b/mk/bsd.pkg.mk
@@ -1,4 +1,4 @@
-#	$NetBSD: bsd.pkg.mk,v 1.1272 2003/09/12 10:54:49 jlam Exp $
+#	$NetBSD: bsd.pkg.mk,v 1.1273 2003/09/12 13:03:38 grant Exp $
 #
 # This file is in the public domain.
 #
@@ -382,6 +382,8 @@ SHCOMMENT?=		${ECHO_MSG} >/dev/null '***'
 
 DISTINFO_FILE?=		${.CURDIR}/distinfo
 
+.include "../../mk/compiler.mk"
+
 FIX_RPATH+=		LIBS
 .if defined(USE_X11)
 X11_LDFLAGS=		# empty
@@ -422,24 +424,6 @@ MAKE_ENV+=		CXX="${CXX}"
 MAKE_ENV+=		CPP="${CPP}"
 .endif
 
-# Ensure the correct rpath is passed to the linker to enable packages
-# to find shared libraries from gcc. Has no effect when pkgsrc gcc is
-# not being used.
-#
-# Valid compilers are:
-#
-#	USE_GCC2    - GNU Compiler Collection 2.x
-# 	USE_GCC3    - GNU Compiler Collection 3.x
-#	USE_MIPSPRO - Silicon Graphics, Inc. MIPSpro Compiler
-#	USE_SUNPRO  - Sun Microsystems, Inc. WorkShop/Forte/Sun ONE Studio
-#	              Compiler Collection
-#
-.if !defined(USE_MIPSPRO) && !defined(USE_SUNPRO)
-.  if empty(USE_BUILDLINK2:M[nN][oO])
-.    include "../../mk/gcc.buildlink2.mk"
-.  endif
-.endif
-
 # export the flags needed to compile and link pthreaded code
 MAKE_ENV+=		PTHREAD_CFLAGS="${PTHREAD_CFLAGS}"
 MAKE_ENV+=		PTHREAD_LDFLAGS="${PTHREAD_LDFLAGS}"
diff --git a/mk/compiler.mk b/mk/compiler.mk
new file mode 100644
index 00000000000..bc6de51d4d1
--- /dev/null
+++ b/mk/compiler.mk
@@ -0,0 +1,97 @@
+# $NetBSD: compiler.mk,v 1.1 2003/09/12 13:03:38 grant Exp $
+
+# This Makefile fragment implements handling for supported
+# C/C++/fortran compilers.
+#
+# The following variables are used:
+#
+# USE_GCC2
+#	Use pkgsrc gcc2 from lang/gcc. This is a user-only variable
+#	which must NOT be set in package Makefiles.
+#
+# USE_GCC3
+#	use pkgsrc gcc3 from lang/gcc3. This is a user-only variable
+#	which must NOT be set in package Makefiles.
+#
+# USE_GCC_SHLIB
+#	Indicates that a package uses GCC shared libraries, so we
+#	register a runtime dependency on the compiler package.
+#
+# The following variables are reserved for future use:
+#
+# USE_MIPSPRO
+#	Use the Silicon Graphics, Inc. MIPSpro compiler.
+#
+# USE_SUNPRO
+#	Use the Sun Microsystems Inc. WorkShop/Forte/Sun ONE Studio
+#	compiler collection.
+#
+
+.if !defined(COMPILER_MK)
+COMPILER_MK=	# defined
+
+.include "../../mk/bsd.prefs.mk"
+
+.if defined(USE_GCC2) && empty(PKGPATH:Mlang/gcc) && empty(_PKGSRC_DEPS:Mgcc-2*)
+GCC_REQD?=		2.95.3
+
+# we need to define these early, as they are used by gcc/buildlink2.mk.
+_GCC_SUBPREFIX=         gcc-2.95.3/
+_GCC_ARCHDIR=           ${_GCC_PREFIX}${_GCC_ARCHSUBDIR}
+_GCC_ARCHSUBDIR=        lib/gcc-lib/${MACHINE_GNU_PLATFORM}/2.95.3
+
+.  if empty(USE_BUILDLINK2:M[nN][oO])
+.    include "../lang/gcc/buildlink2.mk"
+.  else
+_GCC_PREFIX=            ${LOCALBASE}/${_GCC_SUBPREFIX}
+
+# Packages that link against gcc shared libraries need a full
+# dependency.
+.    if defined(USE_GCC_SHLIB)
+DEPENDS+=		gcc>=${GCC_REQD}:../../lang/gcc
+LDFLAGS+=		-L${_GCC_ARCHDIR} -Wl,${RPATH_FLAG}${_GCC_ARCHDIR} -L${_GCC_PREFIX}lib -Wl,${RPATH_FLAG}${_GCC_PREFIX}lib
+.    else
+BUILD_DEPENDS+=		gcc>=${GCC_REQD}:../../lang/gcc
+.    endif
+.  endif
+PATH:=			${_GCC_PREFIX}bin:${PATH}
+CC=			${_GCC_PREFIX}bin/gcc
+CPP=			${_GCC_PREFIX}bin/cpp
+CXX=			${_GCC_PREFIX}bin/g++
+F77=			${_GCC_PREFIX}bin/g77
+PKG_FC=			${F77}
+
+.elif defined(USE_GCC3) && empty(PKGPATH:Mlang/gcc3) && empty(_PKGSRC_DEPS:Mgcc-3*)
+GCC_REQD?=		3.3
+
+# we need to define these early, as they are used by gcc3/buildlink2.mk.
+_GCC_SUBPREFIX=		gcc-3.3/
+_GCC_ARCHDIR=		${_GCC_PREFIX}${_GCC_ARCHSUBDIR}
+
+.  if empty(USE_BUILDLINK2:M[nN][oO])
+.    include "../lang/gcc3/buildlink2.mk"
+.  else
+_GCC_PREFIX=		${LOCALBASE}/${_GCC_SUBPREFIX}
+_GCC_LIBGCCDIR!= \
+  dirname `${_GCC_PREFIX}bin/gcc --print-libgcc-file-name`
+_GCC_ARCHSUBDIR= \
+  ${_GCC_LIBGCCDIR:S|^${LOCALBASE}/${_GCC_SUBPREFIX}||}
+
+# Packages that link against gcc shared libraries need a full
+# dependency.
+.    if defined(USE_GCC_SHLIB)
+DEPENDS+=		gcc3>=${GCC_REQD}:../../lang/gcc3
+LDFLAGS+=		-L${_GCC_ARCHDIR} -Wl,${RPATH_FLAG}${_GCC_ARCHDIR} -L${_GCC_PREFIX}lib -Wl,${RPATH_FLAG}${_GCC_PREFIX}lib
+.    else
+BUILD_DEPENDS+=		gcc3>=${GCC_REQD}:../../lang/gcc3
+.    endif
+.  endif
+PATH:=			${_GCC_PREFIX}bin:${PATH}
+CC=			${_GCC_PREFIX}bin/gcc
+CPP=			${_GCC_PREFIX}bin/cpp
+CXX=			${_GCC_PREFIX}bin/g++
+F77=			${_GCC_PREFIX}bin/g77
+PKG_FC=			${F77}
+.endif	# USE_GCC3
+
+.endif	# COMPILER_MK
diff --git a/mk/gcc.buildlink2.mk b/mk/gcc.buildlink2.mk
deleted file mode 100644
index 94f16ffcc43..00000000000
--- a/mk/gcc.buildlink2.mk
+++ /dev/null
@@ -1,20 +0,0 @@
-# $NetBSD: gcc.buildlink2.mk,v 1.6 2003/09/02 06:59:46 jlam Exp $
-#
-# USE_GCC2
-#	If defined, use gcc from lang/gcc.
-# USE_GCC3
-#	If defined, use gcc3 from lang/gcc3.
-#
-
-.if !defined(GCC_BUILDLINK2_MK)
-GCC_BUILDLINK2_MK=	# defined
-
-.include "../../mk/bsd.prefs.mk"
-
-.if defined(USE_GCC3) && empty(PKGPATH:Mlang/gcc3) && empty(_PKGSRC_DEPS:Mgcc-3.*)
-.  include "../lang/gcc3/buildlink2.mk"
-.elif defined(USE_GCC2) && empty(PKGPATH:Mlang/gcc) && empty(_PKGSRC_DEPS:Mgcc-2.*)
-.  include "../lang/gcc/buildlink2.mk"
-.endif
-
-.endif	# GCC_BUILDLINK2_MK