From 26fb6c3faa27180c8ed9ada1728c3d8683a65f3a Mon Sep 17 00:00:00 2001
From: Armin Kuster <akuster@mvista.com>
Date: Thu, 22 May 2014 10:50:00 +0100
Subject: [PATCH] libassuan: Improve pkgconfig support

Convert to pkg-config support to match changes done to
the libassuan recipe for libassuan.pc generation.

Upstream-Status: Inappropriate [OE specific]

Signed-off-by: Armin Kuster <akuster@mvista.com>

---
 configure.ac    |  4 +--
 m4/libassuan.m4 | 93 ++++---------------------------------------------
 2 files changed, 9 insertions(+), 88 deletions(-)

diff --git a/configure.ac b/configure.ac
index d8dcc0c..ca51766 100644
--- a/configure.ac
+++ b/configure.ac
@@ -267,8 +267,8 @@ if test "$have_libassuan" = "yes"; then
                      [version of the libassuan library])
 fi
 
-COMMON_CFLAGS="$LIBASSUAN_CFLAGS $COMMON_CFLAGS"
-COMMON_LIBS="$LIBASSUAN_LIBS $COMMON_LIBS"
+COMMON_CFLAGS="$LIBASSUAN_COMMON_CFLAGS $COMMON_CFLAGS"
+COMMON_LIBS="$LIBASSUAN_COMMON_LIBS $COMMON_LIBS"
 
 
 dnl Checks for libsecmem.
diff --git a/m4/libassuan.m4 b/m4/libassuan.m4
index df50484..2057412 100644
--- a/m4/libassuan.m4
+++ b/m4/libassuan.m4
@@ -15,30 +15,8 @@ dnl
 dnl Common code used for libassuan detection [internal]
 dnl Returns ok set to yes or no.
 dnl
-AC_DEFUN([_AM_PATH_LIBASSUAN_COMMON],
-[ AC_REQUIRE([AC_CANONICAL_HOST])
-  AC_ARG_WITH(libassuan-prefix,
-              AS_HELP_STRING([--with-libassuan-prefix=PFX],
-                             [prefix where LIBASSUAN is installed (optional)]),
-     libassuan_config_prefix="$withval", libassuan_config_prefix="")
-  if test x$libassuan_config_prefix != x ; then
-    if test x${LIBASSUAN_CONFIG+set} != xset ; then
-      LIBASSUAN_CONFIG=$libassuan_config_prefix/bin/libassuan-config
-    fi
-  fi
-
-  use_gpgrt_config=""
-  if test x"${LIBASSUAN_CONFIG}" = x -a x"$GPGRT_CONFIG" != x -a "$GPGRT_CONFIG" != "no"; then
-    if $GPGRT_CONFIG libassuan --exists; then
-      LIBASSUAN_CONFIG="$GPGRT_CONFIG libassuan"
-      AC_MSG_NOTICE([Use gpgrt-config as libassuan-config])
-      use_gpgrt_config=yes
-    fi
-  fi
-  if test -z "$use_gpgrt_config"; then
-    AC_PATH_PROG(LIBASSUAN_CONFIG, libassuan-config, no)
-  fi
-
+AC_DEFUN([AM_PATH_LIBASSUAN_COMMON],
+[
   tmp=ifelse([$1], ,1:0.9.2,$1)
   if echo "$tmp" | grep ':' >/dev/null 2>/dev/null ; then
     req_libassuan_api=`echo "$tmp"     | sed 's/\(.*\):\(.*\)/\1/'`
@@ -48,58 +26,11 @@ AC_DEFUN([_AM_PATH_LIBASSUAN_COMMON],
     min_libassuan_version="$tmp"
   fi
 
-  AC_MSG_CHECKING(for LIBASSUAN - version >= $min_libassuan_version)
-  ok=no
-  if test "$LIBASSUAN_CONFIG" != "no"; then
-    req_major=`echo $min_libassuan_version | \
-               sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\1/'`
-    req_minor=`echo $min_libassuan_version | \
-               sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\2/'`
-    req_micro=`echo $min_libassuan_version | \
-               sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\3/'`
-
-    if test -z "$use_gpgrt_config"; then
-      libassuan_config_version=`$LIBASSUAN_CONFIG --version`
-    else
-      libassuan_config_version=`$LIBASSUAN_CONFIG --modversion`
-    fi
-    major=`echo $libassuan_config_version | \
-               sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\1/'`
-    minor=`echo $libassuan_config_version | \
-               sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\2/'`
-    micro=`echo $libassuan_config_version | \
-               sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\3/'`
-
-    if test "$major" -gt "$req_major"; then
-        ok=yes
-    else
-        if test "$major" -eq "$req_major"; then
-            if test "$minor" -gt "$req_minor"; then
-               ok=yes
-            else
-               if test "$minor" -eq "$req_minor"; then
-                   if test "$micro" -ge "$req_micro"; then
-                     ok=yes
-                   fi
-               fi
-            fi
-        fi
-    fi
-  fi
-
-  if test $ok = yes; then
-    AC_MSG_RESULT([yes ($libassuan_config_version)])
-  else
-    AC_MSG_RESULT(no)
-  fi
+  PKG_CHECK_MODULES(LIBASSUAN_COMMON, [libassuan >= $min_libassuan_version libassuan], [ok=yes], [ok=no])
 
   if test $ok = yes; then
     if test "$req_libassuan_api" -gt 0 ; then
-      if test -z "$use_gpgrt_config"; then
-        tmp=`$LIBASSUAN_CONFIG --api-version 2>/dev/null || echo 0`
-      else
-        tmp=`$LIBASSUAN_CONFIG --variable=api_version 2>/dev/null || echo 0`
-      fi
+      tmp=`$PKG_CONFIG --variable=api_version libassuan 2>/dev/null || echo 0`
       if test "$tmp" -gt 0 ; then
         AC_MSG_CHECKING([LIBASSUAN API version])
         if test "$req_libassuan_api" -eq "$tmp" ; then
@@ -114,11 +45,7 @@ AC_DEFUN([_AM_PATH_LIBASSUAN_COMMON],
 
   if test $ok = yes; then
     if test x"$host" != x ; then
-      if test -z "$use_gpgrt_config"; then
-        libassuan_config_host=`$LIBASSUAN_CONFIG --host 2>/dev/null || echo none`
-      else
-        libassuan_config_host=`$LIBASSUAN_CONFIG --variable=host 2>/dev/null || echo none`
-      fi
+      libassuan_config_host=`$PKG_CONFIG --host libassuan 2>/dev/null || echo 0`
       if test x"$libassuan_config_host" != xnone ; then
         if test x"$libassuan_config_host" != x"$host" ; then
   AC_MSG_WARN([[
@@ -141,7 +68,7 @@ dnl Test whether libassuan has at least MINIMUM-VERSION. This is
 dnl used to test for features only available in newer versions.
 dnl
 AC_DEFUN([AM_CHECK_LIBASSUAN],
-[ _AM_PATH_LIBASSUAN_COMMON($1)
+[ AM_PATH_LIBASSUAN_COMMON($1)
   if test $ok = yes; then
     ifelse([$2], , :, [$2])
   else
@@ -157,16 +84,10 @@ dnl                   [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND ]]])
 dnl Test for libassuan and define LIBASSUAN_CFLAGS and LIBASSUAN_LIBS
 dnl
 AC_DEFUN([AM_PATH_LIBASSUAN],
-[ _AM_PATH_LIBASSUAN_COMMON($1)
+[ AM_PATH_LIBASSUAN_COMMON($1)
   if test $ok = yes; then
-    LIBASSUAN_CFLAGS=`$LIBASSUAN_CONFIG --cflags`
-    LIBASSUAN_LIBS=`$LIBASSUAN_CONFIG --libs`
     ifelse([$2], , :, [$2])
   else
-    LIBASSUAN_CFLAGS=""
-    LIBASSUAN_LIBS=""
     ifelse([$3], , :, [$3])
   fi
-  AC_SUBST(LIBASSUAN_CFLAGS)
-  AC_SUBST(LIBASSUAN_LIBS)
 ])