From e36cbf9d7a32de9945a8b6c62ad29dfb60358081 Mon Sep 17 00:00:00 2001
From: "Anu Deepthika, Nandipati" <Nandipati.AnuDeepthika@philips.com>
Date: Wed, 9 Mar 2022 02:03:51 +0530
Subject: [PATCH] Add and use pkgconfig instead of libgcrypt-config

Upstream-Status: Pending

Signed-off-by: Anu Deepthika, Nandipati <Nandipati.AnuDeepthika@philips.com>
---
 m4/libgcrypt.m4 | 56 ++-----------------------------------------------
 1 file changed, 2 insertions(+), 54 deletions(-)

diff --git a/m4/libgcrypt.m4 b/m4/libgcrypt.m4
index 9a29eb5..465fe24 100644
--- a/m4/libgcrypt.m4
+++ b/m4/libgcrypt.m4
@@ -22,17 +22,7 @@ dnl with a changed API.
 dnl
 AC_DEFUN([AM_PATH_LIBGCRYPT],
 [ AC_REQUIRE([AC_CANONICAL_HOST])
-  AC_ARG_WITH(libgcrypt-prefix,
-            AS_HELP_STRING([--with-libgcrypt-prefix=PFX],
-                           [prefix where LIBGCRYPT is installed (optional)]),
-     libgcrypt_config_prefix="$withval", libgcrypt_config_prefix="")
-  if test x$libgcrypt_config_prefix != x ; then
-     if test x${LIBGCRYPT_CONFIG+set} != xset ; then
-        LIBGCRYPT_CONFIG=$libgcrypt_config_prefix/bin/libgcrypt-config
-     fi
-  fi
 
-  AC_PATH_TOOL(LIBGCRYPT_CONFIG, libgcrypt-config, no)
   tmp=ifelse([$1], ,1:1.2.0,$1)
   if echo "$tmp" | grep ':' >/dev/null 2>/dev/null ; then
      req_libgcrypt_api=`echo "$tmp"     | sed 's/\(.*\):\(.*\)/\1/'`
@@ -41,44 +31,8 @@ AC_DEFUN([AM_PATH_LIBGCRYPT],
      req_libgcrypt_api=0
      min_libgcrypt_version="$tmp"
   fi
+  PKG_CHECK_MODULES(LIBGCRYPT, [libgcrypt >= $min_libgcrypt_version], [ok=yes], [ok=no])
 
-  AC_MSG_CHECKING(for LIBGCRYPT - version >= $min_libgcrypt_version)
-  ok=no
-  if test "$LIBGCRYPT_CONFIG" != "no" ; then
-    req_major=`echo $min_libgcrypt_version | \
-               sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\1/'`
-    req_minor=`echo $min_libgcrypt_version | \
-               sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\2/'`
-    req_micro=`echo $min_libgcrypt_version | \
-               sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\3/'`
-    libgcrypt_config_version=`$LIBGCRYPT_CONFIG --version`
-    major=`echo $libgcrypt_config_version | \
-               sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\1/'`
-    minor=`echo $libgcrypt_config_version | \
-               sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\2/'`
-    micro=`echo $libgcrypt_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 $ok = yes; then
-    AC_MSG_RESULT([yes ($libgcrypt_config_version)])
-  else
-    AC_MSG_RESULT(no)
-  fi
   if test $ok = yes; then
      # If we have a recent libgcrypt, we should also check that the
      # API is compatible
@@ -96,10 +50,8 @@ AC_DEFUN([AM_PATH_LIBGCRYPT],
      fi
   fi
   if test $ok = yes; then
-    LIBGCRYPT_CFLAGS=`$LIBGCRYPT_CONFIG --cflags`
-    LIBGCRYPT_LIBS=`$LIBGCRYPT_CONFIG --libs`
     ifelse([$2], , :, [$2])
-    libgcrypt_config_host=`$LIBGCRYPT_CONFIG --host 2>/dev/null || echo none`
+	libgcrypt_config_host=`$PKG_CONFIG --variable=host libgcrypt`
     if test x"$libgcrypt_config_host" != xnone ; then
       if test x"$libgcrypt_config_host" != x"$host" ; then
   AC_MSG_WARN([[
@@ -112,10 +64,6 @@ AC_DEFUN([AM_PATH_LIBGCRYPT],
 ***]])
       fi
     fi
-  else
-    LIBGCRYPT_CFLAGS=""
-    LIBGCRYPT_LIBS=""
-    ifelse([$3], , :, [$3])
   fi
   AC_SUBST(LIBGCRYPT_CFLAGS)
   AC_SUBST(LIBGCRYPT_LIBS)
-- 
2.25.1