Update gpgme to use pkgconfig instead of -config files since its
simpler and less error prone when cross compiling.

Upstream-Status: Denied [Upstream not interested in pkg-config support]
RP 2015/4/17

diff --git a/configure.ac b/configure.ac
index 298a22b..c778b61 100644
--- a/configure.ac
+++ b/configure.ac
@@ -622,6 +622,7 @@ AC_CONFIG_FILES(Makefile src/Makefile
                 src/versioninfo.rc
                 src/gpgme.h)
 AC_CONFIG_FILES(src/gpgme-config, chmod +x src/gpgme-config)
+AC_CONFIG_FILES(src/gpgme.pc src/gpgme-pthread.pc)
 AC_CONFIG_FILES([lang/Makefile lang/cl/Makefile lang/cl/gpgme.asd])
 AC_OUTPUT
 
diff --git a/src/Makefile.am b/src/Makefile.am
index 58922f9..40d0dca 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -20,11 +20,13 @@
 
 # Note: moc_kdpipeiodevice should actually be a dependecy below.
 EXTRA_DIST = gpgme-config.in gpgme.m4 libgpgme.vers ChangeLog-2011 \
-	     gpgme.h.in versioninfo.rc.in gpgme.def moc_kdpipeiodevice.cpp
+	     gpgme.h.in versioninfo.rc.in gpgme.def moc_kdpipeiodevice.cpp gpgme.pc.in gpgme-pthread.pc.in
 
 bin_SCRIPTS = gpgme-config
 m4datadir = $(datadir)/aclocal
 m4data_DATA = gpgme.m4
+pkgconfigdir = $(libdir)/pkgconfig
+pkgconfig_DATA = gpgme.pc gpgme-pthread.pc
 nodist_include_HEADERS = gpgme.h
 
 bin_PROGRAMS = gpgme-tool
diff --git a/src/gpgme-pthread.pc.in b/src/gpgme-pthread.pc.in
new file mode 100644
index 0000000..980a48e
--- /dev/null
+++ b/src/gpgme-pthread.pc.in
@@ -0,0 +1,15 @@
+prefix=@prefix@
+exec_prefix=@exec_prefix@
+libdir=@libdir@
+includedir=@includedir@
+
+# API info
+api_version=@GPGME_CONFIG_API_VERSION@
+host=@GPGME_CONFIG_HOST@
+
+Name: gpgme
+Description: GnuPG Made Easy (GPGME) is a C language library that allows to addsupport for cryptography to a program (threaded version)
+Version: @VERSION@
+Libs: -L${libdir} -lgpgme-pthread -lpthread
+Cflags: -I${includedir}
+Requires: libassuan gpg-error
diff --git a/src/gpgme.m4 b/src/gpgme.m4
index 6c2be44..d8a75cb 100644
--- a/src/gpgme.m4
+++ b/src/gpgme.m4
@@ -79,7 +79,7 @@ dnl config script does not match the host specification the script
 dnl is added to the gpg_config_script_warn variable.
 dnl
 AC_DEFUN([AM_PATH_GPGME],
-[ AC_REQUIRE([_AM_PATH_GPGME_CONFIG])dnl
+[
   tmp=ifelse([$1], ,1:0.4.2,$1)
   if echo "$tmp" | grep ':' >/dev/null 2>/dev/null ; then
      req_gpgme_api=`echo "$tmp"     | sed 's/\(.*\):\(.*\)/\1/'`
@@ -89,36 +89,12 @@ AC_DEFUN([AM_PATH_GPGME],
      min_gpgme_version="$tmp"
   fi
 
-  AC_MSG_CHECKING(for GPGME - version >= $min_gpgme_version)
-  ok=no
-  if test "$GPGME_CONFIG" != "no" ; then
-    req_major=`echo $min_gpgme_version | \
-               sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\1/'`
-    req_minor=`echo $min_gpgme_version | \
-               sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\2/'`
-    req_micro=`echo $min_gpgme_version | \
-               sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\3/'`
-    if test "$gpgme_version_major" -gt "$req_major"; then
-        ok=yes
-    else
-        if test "$gpgme_version_major" -eq "$req_major"; then
-            if test "$gpgme_version_minor" -gt "$req_minor"; then
-               ok=yes
-            else
-               if test "$gpgme_version_minor" -eq "$req_minor"; then
-                   if test "$gpgme_version_micro" -ge "$req_micro"; then
-                     ok=yes
-                   fi
-               fi
-            fi
-        fi
-    fi
-  fi
+  PKG_CHECK_MODULES(GPGME, [gpgme >= $min_gpgme_version], [ok=yes], [ok=no])
   if test $ok = yes; then
      # If we have a recent GPGME, we should also check that the
      # API is compatible.
      if test "$req_gpgme_api" -gt 0 ; then
-        tmp=`$GPGME_CONFIG --api-version 2>/dev/null || echo 0`
+        tmp=`$PKG_CONFIG --variable=api_version gpgme 2>/dev/null || echo 0`
         if test "$tmp" -gt 0 ; then
            if test "$req_gpgme_api" -ne "$tmp" ; then
              ok=no
@@ -127,19 +103,11 @@ AC_DEFUN([AM_PATH_GPGME],
      fi
   fi
   if test $ok = yes; then
-    GPGME_CFLAGS=`$GPGME_CONFIG --cflags`
-    GPGME_LIBS=`$GPGME_CONFIG --libs`
-    AC_MSG_RESULT(yes)
     ifelse([$2], , :, [$2])
     _AM_PATH_GPGME_CONFIG_HOST_CHECK
   else
-    GPGME_CFLAGS=""
-    GPGME_LIBS=""
-    AC_MSG_RESULT(no)
     ifelse([$3], , :, [$3])
   fi
-  AC_SUBST(GPGME_CFLAGS)
-  AC_SUBST(GPGME_LIBS)
 ])
 
 dnl AM_PATH_GPGME_PTHREAD([MINIMUM-VERSION,
@@ -148,7 +116,7 @@ dnl Test for libgpgme and define GPGME_PTHREAD_CFLAGS
 dnl  and GPGME_PTHREAD_LIBS.
 dnl
 AC_DEFUN([AM_PATH_GPGME_PTHREAD],
-[ AC_REQUIRE([_AM_PATH_GPGME_CONFIG])dnl
+[
   tmp=ifelse([$1], ,1:0.4.2,$1)
   if echo "$tmp" | grep ':' >/dev/null 2>/dev/null ; then
      req_gpgme_api=`echo "$tmp"     | sed 's/\(.*\):\(.*\)/\1/'`
@@ -158,38 +126,12 @@ AC_DEFUN([AM_PATH_GPGME_PTHREAD],
      min_gpgme_version="$tmp"
   fi
 
-  AC_MSG_CHECKING(for GPGME pthread - version >= $min_gpgme_version)
-  ok=no
-  if test "$GPGME_CONFIG" != "no" ; then
-    if `$GPGME_CONFIG --thread=pthread 2> /dev/null` ; then
-      req_major=`echo $min_gpgme_version | \
-               sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\1/'`
-      req_minor=`echo $min_gpgme_version | \
-               sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\2/'`
-      req_micro=`echo $min_gpgme_version | \
-               sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\3/'`
-      if test "$gpgme_version_major" -gt "$req_major"; then
-        ok=yes
-      else
-        if test "$gpgme_version_major" -eq "$req_major"; then
-          if test "$gpgme_version_minor" -gt "$req_minor"; then
-            ok=yes
-          else
-            if test "$gpgme_version_minor" -eq "$req_minor"; then
-              if test "$gpgme_version_micro" -ge "$req_micro"; then
-                ok=yes
-              fi
-            fi
-          fi
-        fi
-      fi
-    fi
-  fi
+  PKG_CHECK_MODULES(GPGME_PTHREAD, [gpgme-pthread >= $min_gpgme_version], [ok=yes], [ok=no])
   if test $ok = yes; then
      # If we have a recent GPGME, we should also check that the
      # API is compatible.
      if test "$req_gpgme_api" -gt 0 ; then
-        tmp=`$GPGME_CONFIG --api-version 2>/dev/null || echo 0`
+        tmp=`$PKG_CONFIG --variable=api_version gpgme-pthread 2>/dev/null || echo 0`
         if test "$tmp" -gt 0 ; then
            if test "$req_gpgme_api" -ne "$tmp" ; then
              ok=no
@@ -198,19 +140,11 @@ AC_DEFUN([AM_PATH_GPGME_PTHREAD],
      fi
   fi
   if test $ok = yes; then
-    GPGME_PTHREAD_CFLAGS=`$GPGME_CONFIG --thread=pthread --cflags`
-    GPGME_PTHREAD_LIBS=`$GPGME_CONFIG --thread=pthread --libs`
-    AC_MSG_RESULT(yes)
     ifelse([$2], , :, [$2])
     _AM_PATH_GPGME_CONFIG_HOST_CHECK
   else
-    GPGME_PTHREAD_CFLAGS=""
-    GPGME_PTHREAD_LIBS=""
-    AC_MSG_RESULT(no)
     ifelse([$3], , :, [$3])
   fi
-  AC_SUBST(GPGME_PTHREAD_CFLAGS)
-  AC_SUBST(GPGME_PTHREAD_LIBS)
 ])
 
 
@@ -229,36 +163,12 @@ AC_DEFUN([AM_PATH_GPGME_GLIB],
      min_gpgme_version="$tmp"
   fi
 
-  AC_MSG_CHECKING(for GPGME - version >= $min_gpgme_version)
-  ok=no
-  if test "$GPGME_CONFIG" != "no" ; then
-    req_major=`echo $min_gpgme_version | \
-               sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\1/'`
-    req_minor=`echo $min_gpgme_version | \
-               sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\2/'`
-    req_micro=`echo $min_gpgme_version | \
-               sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\3/'`
-    if test "$gpgme_version_major" -gt "$req_major"; then
-        ok=yes
-    else
-        if test "$gpgme_version_major" -eq "$req_major"; then
-            if test "$gpgme_version_minor" -gt "$req_minor"; then
-               ok=yes
-            else
-               if test "$gpgme_version_minor" -eq "$req_minor"; then
-                   if test "$gpgme_version_micro" -ge "$req_micro"; then
-                     ok=yes
-                   fi
-               fi
-            fi
-        fi
-    fi
-  fi
+  PKG_CHECK_MODULES(GPGME_GLIB, [gpgme >= $min_gpgme_version glib-2.0], [ok=yes], [ok=no])  
   if test $ok = yes; then
      # If we have a recent GPGME, we should also check that the
      # API is compatible.
      if test "$req_gpgme_api" -gt 0 ; then
-        tmp=`$GPGME_CONFIG --api-version 2>/dev/null || echo 0`
+        tmp=`$PKG_CONFIG --variable=api_version gpgme 2>/dev/null || echo 0`
         if test "$tmp" -gt 0 ; then
            if test "$req_gpgme_api" -ne "$tmp" ; then
              ok=no
@@ -267,17 +177,9 @@ AC_DEFUN([AM_PATH_GPGME_GLIB],
      fi
   fi
   if test $ok = yes; then
-    GPGME_GLIB_CFLAGS=`$GPGME_CONFIG --glib --cflags`
-    GPGME_GLIB_LIBS=`$GPGME_CONFIG --glib --libs`
-    AC_MSG_RESULT(yes)
     ifelse([$2], , :, [$2])
     _AM_PATH_GPGME_CONFIG_HOST_CHECK
   else
-    GPGME_GLIB_CFLAGS=""
-    GPGME_GLIB_LIBS=""
-    AC_MSG_RESULT(no)
     ifelse([$3], , :, [$3])
   fi
-  AC_SUBST(GPGME_GLIB_CFLAGS)
-  AC_SUBST(GPGME_GLIB_LIBS)
 ])
diff --git a/src/gpgme.pc.in b/src/gpgme.pc.in
new file mode 100644
index 0000000..b69539f
--- /dev/null
+++ b/src/gpgme.pc.in
@@ -0,0 +1,15 @@
+prefix=@prefix@
+exec_prefix=@exec_prefix@
+libdir=@libdir@
+includedir=@includedir@
+
+# API info
+api_version=@GPGME_CONFIG_API_VERSION@
+host=@GPGME_CONFIG_HOST@
+
+Name: gpgme
+Description: GnuPG Made Easy (GPGME) is a C language library that allows to addsupport for cryptography to a program.
+Version: @VERSION@
+Libs: -L${libdir} -lgpgme
+Cflags: -I${includedir}
+Requires: libassuan gpg-error
\ No newline at end of file