Only create symlinks for existing compiler. This functionality is outsourced

into a script which can be run manually after installing or deinstalling
additional compiler.

PR:             155568 (based on)

4 files changed, 75 insertions, 49 deletions

diff --git a/devel/ccache/Makefile b/devel/ccache/Makefile
index ce7160c773c8..014d936dd7fe 100644
--- a/devel/ccache/Makefile
+++ b/devel/ccache/Makefile
@@ -7,7 +7,7 @@
 
 PORTNAME=	ccache
 PORTVERSION=	3.1.4
-PORTREVISION=	1
+PORTREVISION=	2
 CATEGORIES=	devel
 MASTER_SITES=	http://samba.org/ftp/ccache/ CRITICAL
 
@@ -15,77 +15,49 @@ MAINTAINER=	ehaupt@FreeBSD.org
 COMMENT=	A tool to minimize the compile time of C/C++ programs
 
 LICENSE=	GPLv3
-LICENSE_FILE=	${WRKSRC}/GPL-3.0.txt
 
 GNU_CONFIGURE=	yes
 
-MAN1=		ccache.1
-PLIST_FILES=	bin/ccache
-
-PORTDOCS=	*
-
-.if !defined(WITHOUT_COMPILER_LINKS)
 HOWTO=		ccache-howto-freebsd.txt
 CCLINKDIR=	libexec/ccache
-PLIST_DIRS=	${CCLINKDIR}/world ${CCLINKDIR}
-SUB_FILES=	${HOWTO} pkg-message
-.endif
+SUB_FILES=	${HOWTO} world-ccache pkg-message ccache-update-links.sh
+
+MAN1=		ccache.1
+
+PORTDOCS=	ccache-howto-freebsd.txt MANUAL.html
 
 .include <bsd.port.pre.mk>
 
-.if !defined(WITHOUT_COMPILER_LINKS)
+PLIST_SUB+=	CCLINKDIR="${CCLINKDIR}"
+
 .if ${ARCH}=="i386"
 CCACHE_COMPILERS+=	icc icpc
 .endif
 GNU_COMPILERS+=		34 42 43 44 45 46
 CCACHE_COMPILERS+=	cc c++ gcc g++ ${GNU_COMPILERS:S|^|gcc|} ${GNU_COMPILERS:S|^|g++|}
 CCACHE_COMPILERS+=	clang clang++ llvm-gcc llvm-c++ llvm-g++
-.if defined(EXTRA_COMPILERS)
-CCACHE_COMPILERS+=	${EXTRA_COMPILERS}
-.endif
-PLIST_FILES+=	${CCACHE_COMPILERS:S|^|${CCLINKDIR}/|} \
-		${CCACHE_COMPILERS:S|^|${CCLINKDIR}/world/|} \
-		${CCLINKDIR}/world/ccache
-SUB_FILES+=	world-ccache
 SUB_LIST+=	CCACHE_COMPILERS="${CCACHE_COMPILERS}" \
 		CCLINKDIR="${CCLINKDIR}" \
 		ICCPREFIX="${LOCALBASE}/intel_cc_80/bin" \
 		HOWTO="${HOWTO}"
-.endif
-
-pre-everything::
-.if !defined(WITHOUT_COMPILER_LINKS)
-	@${ECHO_MSG} "===>  Ccache will install compiler links in ${PREFIX}/libexec/ccache"
-	@${ECHO_MSG} "===>  Links that will be created are"
-	@${ECHO_MSG} "===>  ${CCACHE_COMPILERS}"
-	@${ECHO_MSG} "===>"
-	@${ECHO_MSG} "===>  You may add more by EXTRA_COMPILERS=\"Ccompiler1 C++compiler1 etc..\""
-	@${ECHO_MSG} "===>"
-	@${ECHO_MSG} "===>  You can disable compiler links by defining"
-	@${ECHO_MSG} "===>  WITHOUT_COMPILER_LINKS"
-	@${ECHO_MSG} "===>"
-.endif
 
 do-install:
 	${INSTALL_PROGRAM} ${WRKSRC}/ccache ${PREFIX}/bin
 	${INSTALL_MAN} ${WRKSRC}/${MAN1} ${PREFIX}/man/man1
-.if !defined(WITHOUT_COMPILER_LINKS)
 	@${MKDIR} ${PREFIX}/${CCLINKDIR}/world
-	${INSTALL_SCRIPT} ${WRKDIR}/world-ccache ${PREFIX}/${CCLINKDIR}/world/ccache
-.for link in ${CCACHE_COMPILERS}
-	${LN} -sf ${PREFIX}/bin/ccache ${PREFIX}/${CCLINKDIR}/${link}
-	${LN} -sf ccache ${PREFIX}/${CCLINKDIR}/world/${link}
-.endfor
-.endif
+	${INSTALL_SCRIPT} ${WRKDIR}/world-ccache \
+		${PREFIX}/${CCLINKDIR}/world/ccache
+	${INSTALL_SCRIPT} ${WRKDIR}/ccache-update-links.sh \
+		${PREFIX}/bin/ccache-update-links
 .if !defined(NOPORTDOCS)
 	@${MKDIR} ${DOCSDIR}
 	${INSTALL_DATA} ${WRKSRC}/MANUAL.html ${DOCSDIR}
-.if !defined(WITHOUT_COMPILER_LINKS)
 	${INSTALL_DATA} ${WRKDIR}/${HOWTO} ${DOCSDIR}
 .endif
-.endif
-.if !defined(WITHOUT_COMPILER_LINKS)
+
+post-install:
+	@${ECHO_CMD} "Create compiler links..."
+	@${PREFIX}/bin/ccache-update-links -v
 	@${CAT} ${PKGMESSAGE}
-.endif
 
 .include <bsd.port.post.mk>
diff --git a/devel/ccache/files/ccache-howto-freebsd.txt.in b/devel/ccache/files/ccache-howto-freebsd.txt.in
index 6306573de59b..f95ef1beb9e5 100644
--- a/devel/ccache/files/ccache-howto-freebsd.txt.in
+++ b/devel/ccache/files/ccache-howto-freebsd.txt.in
@@ -46,10 +46,8 @@ reset PATH=$CCACHE_PATH and try again.
 
 --
 
-Ccache has installed links for the following compilers
-%%CCACHE_COMPILERS%%
-in %%PREFIX%%/%%CCLINKDIR%%
-and %%PREFIX%%/%%CCLINKDIR%%/world
+Make sure you run 'ccache-update-links' after you install/uninstall
+additional compiers in order to create/remove compiler links.
 
 Clang will return a lot of 'unused argument' warnings: they are harmless.
 Just add this to /etc/make.conf if you want to hide them:
diff --git a/devel/ccache/files/ccache-update-links.sh.in b/devel/ccache/files/ccache-update-links.sh.in
new file mode 100644
index 000000000000..66ebd2d092ff
--- /dev/null
+++ b/devel/ccache/files/ccache-update-links.sh.in
@@ -0,0 +1,56 @@
+#!/bin/sh
+#
+# Author: Emanuel Haupt <ehaupt@FreeBSD.org>
+#
+# $FreeBSD$
+#
+
+CCACHE_COMPILERS="%%CCACHE_COMPILERS%% ${EXTRA_COMPILERS}"
+CCLINKDIR="%%CCLINKDIR%%"
+PREFIX="%%PREFIX%%"
+
+usage() {
+	cat << "EOUSAGE"
+Usage: ccache-update-links [hv]
+
+ccache-update-links maintains symlinks needed by ccache to work with additional
+compilers.
+
+    -h, --help   this help
+    -v           verbose
+
+EOUSAGE
+}
+
+case "$1"
+in
+	-h|--help)
+	usage
+	;;
+esac
+
+# create compiler links
+for comp in ${CCACHE_COMPILERS}
+do
+	if [ -f "${PREFIX}/bin/${comp}" ] || [ -f "/usr/bin/${comp}" ]; then
+		if [ ! -L "${PREFIX}/${CCLINKDIR}/${comp}" ]; then
+			[ "$1" = "-v" ] && echo "create symlink for ${comp}"
+        		ln -sf ${PREFIX}/bin/ccache ${PREFIX}/${CCLINKDIR}/${comp}
+		fi
+
+		if [ ! -L "${PREFIX}/${CCLINKDIR}/world/${comp}" ]; then
+			[ "$1" = "-v" ] && echo "create symlink for ${comp} (world)"
+        		ln -sf ccache ${PREFIX}/${CCLINKDIR}/world/${comp}
+		fi
+	else
+		if [ -L "${PREFIX}/${CCLINKDIR}/${comp}" ]; then
+			[ "$1" = "-v" ] && echo "remove symlink for ${comp}"
+			rm -f ${PREFIX}/${CCLINKDIR}/${comp}
+		fi
+
+		if [ -L "${PREFIX}/${CCLINKDIR}/world/${comp}" ]; then
+			[ "$1" = "-v" ] && echo "remove symlink for ${comp} (world)"
+			rm -f ${PREFIX}/${CCLINKDIR}/world/${comp}
+		fi
+	fi
+done
diff --git a/devel/ccache/files/pkg-message.in b/devel/ccache/files/pkg-message.in
index c521d705ed7e..32206a545012 100644
--- a/devel/ccache/files/pkg-message.in
+++ b/devel/ccache/files/pkg-message.in
@@ -1,5 +1,5 @@
 
-=== NOTE ===
+NOTE:
 Please read %%DOCSDIR%%/%%HOWTO%% for 
 information on using ccache with FreeBSD ports and src.