From de99bb00b0084e8a1862398270278a14e099b22b Mon Sep 17 00:00:00 2001
From: Nils Philippsen <nils@redhat.com>
Date: Wed, 5 May 2010 13:23:40 +0200
Subject: [PATCH] patch: pkgconfig

Squashed commit of the following:

commit d615848c499842c5923c3274370d2536dc650916
Author: Nils Philippsen <nils@redhat.com>
Date:   Fri Feb 26 17:51:14 2010 +0100

    pkgconfig file is data
    (cherry picked from commit 1f0e85c705a42c7e6ccd938eaad69f531c63f63d)

    Signed-off-by: Nils Philippsen <nils@redhat.com>

commit 119d5af1ddd82dac034d0106a1d86b6d7564f25e
Author: Nils Philippsen <nils@redhat.com>
Date:   Wed Jun 17 13:09:51 2009 +0200

    make sane-config multilib-aware on Linux
    (cherry picked from commit 52ef5f47ccc0128c78ab3ad38ac7b7918dd7ac88)

    Signed-off-by: Nils Philippsen <nils@redhat.com>

commit 7ee1cbef01d851aca95d86145ac5dda02d9e7354
Author: Nils Philippsen <nils@redhat.com>
Date:   Wed May 5 10:22:15 2010 +0200

    use pkg-config in sane-config
---
 tools/Makefile.am    |   14 ++++++++++-
 tools/sane-config.in |   66 ++++++++++++++++++++++++++++++++++++++-----------
 2 files changed, 64 insertions(+), 16 deletions(-)

diff --git a/tools/Makefile.am b/tools/Makefile.am
index f52a39a..ab4e1b7 100644
--- a/tools/Makefile.am
+++ b/tools/Makefile.am
@@ -7,6 +7,10 @@
 AM_CPPFLAGS = -I. -I$(srcdir) -I$(top_builddir)/include \
  -I$(top_srcdir)/include
 
+SUFFIXES = .pc.in .pc
+
+pkgconfigdir = ${libdir}/pkgconfig
+
 bin_PROGRAMS = sane-find-scanner gamma4scanimage
 noinst_PROGRAMS = sane-desc umax_pp
 
@@ -26,8 +30,14 @@ noinst_SCRIPTS = $(HOTPLUG)
 BUILT_SOURCES = $(HOTPLUG_DIR)
 CLEANFILES = $(bin_SCRIPTS) $(dist_noinst_SCRIPTS)
 
+pkgconfig_DATA = sane-backends.pc
+
+.pc.in.pc:
+	cd $(top_builddir) \
+		&& CONFIG_FILES=$(subdir)/$@ CONFIG_HEADERS= $(SHELL) ./config.status
+
 EXTRA_DIST = check-po.awk libtool-get-dll-ext mustek600iin-off.c \
-	     RenSaneDlls.cmd README xerox
+	     RenSaneDlls.cmd README xerox sane-backends.pc.in
 
 sane_find_scanner_SOURCES = sane-find-scanner.c check-usb-chip.c \
 			    ../backend/sane_strstatus.c
@@ -72,5 +82,7 @@ hal/libsane.fdi: $(wildcard ${top_srcdir}/doc/descriptions/*.desc) $(wildcard ${
 	@./sane-desc -m hal -s ${top_srcdir}/doc/descriptions:${top_srcdir}/doc/descriptions-external \
 	   -d 0 > $@
 
+sane-backends.pc:	$(top_builddir)/config.status
+
 clean-local:
 	rm -f $(HOTPLUG)
diff --git a/tools/sane-config.in b/tools/sane-config.in
index 22c02b5..a9ce6fb 100644
--- a/tools/sane-config.in
+++ b/tools/sane-config.in
@@ -19,7 +19,7 @@ pkglibdir="@pkglibdir@"
 includedir="@includedir@"
 mandir="@mandir@"
 infodir="@infodir@"
-libdir="@libdir@"
+#libdir=
 localstatedir="@localstatedir@"
 sysconfdir="@sysconfdir@"
 datarootdir="@datarootdir@"
@@ -33,6 +33,30 @@ srcdir="@srcdir@"
 top_srcdir="@top_srcdir@"
 cflags=
 
+pkgconfig_package=sane-backends
+use_pkgconfig=0
+if test -x "@bindir@/pkg-config" && "@bindir@/pkg-config" --exists "$pkgconfig_package"; then
+    use_pkgconfig=1
+else
+    libdir=
+    if kernel="`uname -s 2>/dev/null`"; then
+        case "$kernel" in
+            Linux)
+            if hw="`uname -i 2>/dev/null`"; then
+                case "$hw" in
+                    *64)
+                    libdir="@exec_prefix@/lib64"
+                    ;;
+                esac
+            fi
+            ;;
+        esac
+    fi
+    if test "x$libdir" = "x"; then
+        libdir="@exec_prefix@/lib"
+    fi
+fi
+
 usage ()
 {
   echo "Usage: "  1>&2
@@ -60,7 +84,7 @@ if test $# -gt 0; then
       if test $# -eq 1; then
         usage
       elif test $# -eq 2; then
-        case $2 in 
+        case $2 in
           --cflags)
             echo "Usage: $0 --cflags"
             echo "  Print C compiler flags for compiling code that uses SANE."
@@ -86,26 +110,38 @@ if test $# -gt 0; then
       ;;
     --ldflags)
 
-      if test -z "$LINKER_RPATH"; then
-        echo "-L${libdir} @LDFLAGS@" 
+      if test "x$use_pkgconfig" = "x0"; then
+        if test -z "$LINKER_RPATH"; then
+          echo "-L${libdir} @LDFLAGS@"
+        else
+          echo "-L${libdir} @LDFLAGS@ ${LINKER_RPATH}${libdir}"
+        fi
       else
-        echo "-L${libdir} @LDFLAGS@ ${LINKER_RPATH}${libdir}"
+        pkg-config --libs-only-L "$pkgconfig_package"
       fi
       ;;
     --libs)
-      echo "-lsane ${LIBS}"
+      if test "x$use_pkgconfig" = "x0"; then
+        echo "-lsane ${LIBS}"
+      else
+        pkg-config --libs "$pkgconfig_package"
+      fi
       ;;
     --cflags)
-      unique_cflags=
-      if test "${includedir}" != "/usr/include"; then
-        unique_cflags="${unique_cflags} -I${includedir}"
-      fi
-      for i in $cflags; do
-        if test "${i}" != "-I${includedir}"; then
-          unique_cflags="${unique_cflags} $i"
+      if test "x$use_pkgconfig" = "x0"; then
+        unique_cflags=
+        if test "${includedir}" != "/usr/include"; then
+          unique_cflags="${unique_cflags} -I${includedir}"
         fi
-      done
-      echo ${unique_cflags}
+        for i in $cflags; do
+          if test "${i}" != "-I${includedir}"; then
+            unique_cflags="${unique_cflags} $i"
+          fi
+        done
+        echo ${unique_cflags}
+      else
+        pkg-config --cflags "$pkgconfig_package"
+      fi
       ;;
     --prefix)
       echo ${prefix}
-- 
1.6.6.1