Make install.sh usable for distributions (#66)

* build: Allow to set libddir

Needed for multiarch installations

* install: Use symlink without path

This is how other libraries do it and allows to move files around
without having to adjust the symlinks.

Signed-off-by: Guido Günther <agx@sigxcpu.org>

---------

Signed-off-by: Guido Günther <agx@sigxcpu.org>

Makefile

@@ -5,6 +5,7 @@ default: build ;
 
 CLI_BIN := varnamcli
 INSTALL_PREFIX := $(or ${PREFIX},${PREFIX},/usr/local)
+LIBDIR := /lib
 
 # Try to get the commit hash from git
 LAST_COMMIT := $(or $(shell git rev-parse --short HEAD 2> /dev/null),"UNKNOWN")
@@ -14,39 +15,43 @@ BUILDSTR := ${VERSION} (\#${LAST_COMMIT} $(shell date -u +"%Y-%m-%dT%H:%M:%S%z")
 RELEASE_NAME := govarnam-${VERSION}-${shell uname -m}
 UNAME := $(shell uname)
 
-SED := sed -i
+SED := sed
 LIB_NAME := libgovarnam.so
 SO_NAME := $(shell (echo $(VERSION) | cut -d. -f1))
 CURDIR := $(shell pwd)
 
 ifeq ($(UNAME), Darwin)
-  SED := sed -i ""
   LIB_NAME = libgovarnam.dylib
 else
   EXT_LDFLAGS = -extldflags "-Wl,-soname,$(LIB_NAME).$(SO_NAME),--version-script,$(CURDIR)/govarnam.syms"
 endif
 
 VERSION_STAMP_LDFLAGS := -X 'github.com/varnamproject/govarnam/govarnam.BuildString=${BUILDSTR}' -X 'github.com/varnamproject/govarnam/govarnam.VersionString=${VERSION}' $(EXT_LDFLAGS)
 pc:
-	cp govarnam.pc.in govarnam.pc
-	${SED} "s#@INSTALL_PREFIX@#${INSTALL_PREFIX}#g" govarnam.pc
-	${SED} "s#@VERSION@#${VERSION}#g" govarnam.pc
+	${SED} -e "s#@INSTALL_PREFIX@#${INSTALL_PREFIX}#g" \
+	       -e "s#@VERSION@#${VERSION}#g" \
+	       -e "s#@LIBDIR@#${LIBDIR}#g" \
+		govarnam.pc.in > govarnam.pc.tmp
+	mv govarnam.pc.tmp govarnam.pc
 
 # Used only for building the CLI
 temp-pc:
-	cp govarnam.pc.in govarnam.pc
-	${SED} "s#@INSTALL_PREFIX@#$(realpath .)#g" govarnam.pc
-	${SED} "s#@VERSION@#${VERSION}#g" govarnam.pc
-
-	${SED} "s#/include/libgovarnam##g" govarnam.pc
-	${SED} "s#/lib\$$##g" govarnam.pc
+	${SED} -e "s#@INSTALL_PREFIX@#$(realpath .)#g" \
+	       -e "s#@VERSION@#${VERSION}#g" \
+	       -e "s#@LIBDIR@#${LIBDIR}#g" \
+	       -e "s#/include/libgovarnam##g" \
+	       -e "s#/lib\$$##g" \
+	       govarnam.pc.in > govarnam.pc.tmp
+	mv govarnam.pc.tmp govarnam.pc
 
 install.sh: install.sh.in
-	cp install.sh.in install.sh
-	${SED} "s#@INSTALL_PREFIX@#${INSTALL_PREFIX}#g" install.sh
-	${SED} "s#@VERSION@#${VERSION}#g" install.sh
-	${SED} "s#@LIB_NAME@#${LIB_NAME}#g" install.sh
-	${SED} "s#@SO_NAME@#${SO_NAME}#g" install.sh
+	${SED} -e "s#@INSTALL_PREFIX@#${INSTALL_PREFIX}#g" \
+	       -e "s#@VERSION@#${VERSION}#g" \
+	       -e "s#@LIBDIR@#${LIBDIR}#g" \
+	       -e "s#@LIB_NAME@#${LIB_NAME}#g" \
+	       -e "s#@SO_NAME@#${SO_NAME}#g" \
+               install.sh.in > install.sh.tmp
+	mv install.sh.tmp install.sh
 	chmod +x install.sh
 
 .PHONY: install

govarnam.pc.in

@@ -1,6 +1,6 @@
 prefix=@INSTALL_PREFIX@
 exec_prefix=${prefix}
-libdir=${exec_prefix}/lib
+libdir=${prefix}@LIBDIR@
 includedir=${prefix}/include/libgovarnam
 
 Name: GoVarnam

install.sh.in

@@ -11,11 +11,11 @@ if [ "$ARG1" == "install" ]; then
   "${SUDO}" mkdir -p "/usr/local/bin/"
   "${SUDO}" cp "$SCRIPT_DIR/varnamcli" "${DESTDIR}@INSTALL_PREFIX@/bin/varnamcli"
 
-  "${SUDO}" mkdir -p "${DESTDIR}@INSTALL_PREFIX@/lib/pkgconfig"
-  "${SUDO}" cp "$SCRIPT_DIR/@LIB_NAME@" "${DESTDIR}@INSTALL_PREFIX@/lib/@LIB_NAME@.@VERSION@"
-  "${SUDO}" ln -sf "${DESTDIR}@INSTALL_PREFIX@/lib/@LIB_NAME@.@VERSION@" "${DESTDIR}@INSTALL_PREFIX@/lib/@LIB_NAME@"
-  "${SUDO}" ln -sf "${DESTDIR}@INSTALL_PREFIX@/lib/@LIB_NAME@.@VERSION@" "${DESTDIR}@INSTALL_PREFIX@/lib/@LIB_NAME@.@SO_NAME@"
-  "${SUDO}" cp "$SCRIPT_DIR/govarnam.pc" "${DESTDIR}@INSTALL_PREFIX@/lib/pkgconfig/"
+  "${SUDO}" mkdir -p "${DESTDIR}@INSTALL_PREFIX@@LIBDIR@/pkgconfig"
+  "${SUDO}" cp "$SCRIPT_DIR/@LIB_NAME@" "${DESTDIR}@INSTALL_PREFIX@@LIBDIR@/@LIB_NAME@.@VERSION@"
+  "${SUDO}" ln -s "@LIB_NAME@.@VERSION@" "${DESTDIR}@INSTALL_PREFIX@@LIBDIR@/@LIB_NAME@"
+  "${SUDO}" ln -s "@LIB_NAME@.@VERSION@" "${DESTDIR}@INSTALL_PREFIX@@LIBDIR@/@LIB_NAME@.@SO_NAME@"
+  "${SUDO}" cp "$SCRIPT_DIR/govarnam.pc" "${DESTDIR}@INSTALL_PREFIX@@LIBDIR@/pkgconfig/"
 
   "${SUDO}" mkdir -p "${DESTDIR}@INSTALL_PREFIX@/include/libgovarnam"
   "${SUDO}" cp "$SCRIPT_DIR/"*.h "${DESTDIR}@INSTALL_PREFIX@/include/libgovarnam/"
@@ -28,7 +28,7 @@ if [ "$ARG1" == "install" ]; then
 
   notify-send "$msg" &> /dev/null || true
 elif [ "$ARG1" == "uninstall" ]; then
-  "${SUDO}" rm -f "${DESTDIR}@INSTALL_PREFIX@/bin/varnamcli" "${DESTDIR}@INSTALL_PREFIX@/lib/@LIB_NAME@.@VERSION@" "${DESTDIR}@INSTALL_PREFIX@/lib/@LIB_NAME@" "${DESTDIR}@INSTALL_PREFIX@/lib/pkgconfig/govarnam.pc"
+  "${SUDO}" rm -f "${DESTDIR}@INSTALL_PREFIX@/bin/varnamcli" "${DESTDIR}@INSTALL_PREFIX@@LIBDIR@/@LIB_NAME@.@VERSION@" "${DESTDIR}@INSTALL_PREFIX@@LIBDIR@/@LIB_NAME@" "${DESTDIR}@INSTALL_PREFIX@@LIBDIR@/pkgconfig/govarnam.pc"
   "${SUDO}" rm -f "${DESTDIR}@INSTALL_PREFIX@/include/libgovarnam/"*
   "${SUDO}" rmdir "${DESTDIR}@INSTALL_PREFIX@/include/libgovarnam" || true
   "${SUDO}" rm -f "${DESTDIR}@INSTALL_PREFIX@/share/varnam/schemes/"*