libassuan: allow header files to be parsed by gcc2. (#2133)

dev-libs/libassuan/libassuan-2.5.1.recipe

@@ -8,7 +8,7 @@ LICENSE="
 	GNU GPL v3
 	GNU LGPL v2.1
 	"
-REVISION="1"
+REVISION="2"
 HOMEPAGE="https://www.gnupg.org/related_software/libassuan/"
 SOURCE_URI="ftp://ftp.gnupg.org/gcrypt/libassuan/libassuan-$portVersion.tar.bz2"
 CHECKSUM_SHA256="47f96c37b4f2aac289f0bc1bacfa8bd8b4b209a488d3d15e2229cb6cc9b26449"

dev-libs/libassuan/patches/libassuan-2.5.1.patchset

@@ -9,15 +9,15 @@ Rewrite to use AC_SEARCH_LIBS.
  1 file changed, 4 insertions(+), 2 deletions(-)
 
 diff --git a/configure.ac b/configure.ac
-index cb21af1..ca82038 100644
+index 9b97ad4..5d00d35 100644
 --- a/configure.ac
 +++ b/configure.ac
-@@ -263,9 +263,11 @@ AC_DEFINE_UNQUOTED(BUILD_TIMESTAMP, "$BUILD_TIMESTAMP",
+@@ -284,9 +284,11 @@ AC_DEFINE_UNQUOTED(BUILD_TIMESTAMP, "$BUILD_TIMESTAMP",
  #
  # Check for network libraries.  They are needed for tests.
  #
 -AC_CHECK_FUNC(setsockopt, , AC_CHECK_LIB(socket, setsockopt,
--	[NETLIBS="-lsocket $NETLIBS"]))
+-        [NETLIBS="-lsocket $NETLIBS"]))
 +_save_libs="$LIBS"
 +AC_SEARCH_LIBS(setsockopt, network socket, [], [], [$NETLIBS])
 +NETLIBS="$LIBS $NETLIBS"
@@ -29,3 +29,32 @@ index cb21af1..ca82038 100644
 -- 
 1.8.3.4
 
+
+From 5bab7edd125430bc91abe4e0570a9ed3e05b6314 Mon Sep 17 00:00:00 2001
+From: fbrosson <fbrosson@localhost>
+Date: Wed, 17 Jan 2018 22:03:45 +0000
+Subject: Do not use __GNUC_PATCHLEVEL__ if it's not defined.
+
+
+diff --git a/src/assuan.h.in b/src/assuan.h.in
+index f9899d8..7136aac 100644
+--- a/src/assuan.h.in
++++ b/src/assuan.h.in
+@@ -64,9 +64,14 @@ extern "C"
+ 
+ /* Check for compiler features.  */
+ #if __GNUC__
++#ifdef __GNUC_PATCHLEVEL__
+ #define _ASSUAN_GCC_VERSION (__GNUC__ * 10000 \
+                             + __GNUC_MINOR__ * 100 \
+                             + __GNUC_PATCHLEVEL__)
++#else
++#define _ASSUAN_GCC_VERSION (__GNUC__ * 10000 \
++                            + __GNUC_MINOR__ * 100)
++#endif
+ 
+ #if _ASSUAN_GCC_VERSION > 30100
+ #define _ASSUAN_DEPRECATED  __attribute__ ((__deprecated__))
+-- 
+2.15.1
+