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

dev-libs/libgcrypt/libgcrypt-1.8.2.recipe

@@ -4,7 +4,7 @@ used in GnuPG."
 HOMEPAGE="https://gnupg.org/related_software/libgcrypt/"
 COPYRIGHT="2000-2017 Free Software Foundation, Inc."
 LICENSE="GNU LGPL v3"
-REVISION="1"
+REVISION="2"
 SOURCE_URI="https://gnupg.org/ftp/gcrypt/libgcrypt/libgcrypt-$portVersion.tar.bz2"
 CHECKSUM_SHA256="c8064cae7558144b13ef0eb87093412380efa16c4ee30ad12ecb54886a524c07"
 PATCHES="libgcrypt-$portVersion.patchset"

dev-libs/libgcrypt/patches/libgcrypt-1.8.2.patchset

@@ -5,10 +5,10 @@ Subject: haiku patch
 
 
 diff --git a/configure.ac b/configure.ac
-index 487a1bc..aa8bc7a 100644
+index 672396c..1915737 100644
 --- a/configure.ac
 +++ b/configure.ac
-@@ -763,6 +763,7 @@ fi
+@@ -761,6 +761,7 @@ fi
  AC_SEARCH_LIBS(setsockopt, [socket], ,
  	[AC_SEARCH_LIBS(setsockopt, [socket], , , [-lnsl])])
  AC_SEARCH_LIBS(setsockopt, [nsl])
@@ -27,7 +27,7 @@ Subject: gcc2 patch
 
 
 diff --git a/src/hwf-x86.c b/src/hwf-x86.c
-index eeacccb..52fad3c 100644
+index 0d3a1f4..32bdfa9 100644
 --- a/src/hwf-x86.c
 +++ b/src/hwf-x86.c
 @@ -103,7 +103,7 @@ get_xgetbv(void)
@@ -42,3 +42,32 @@ index eeacccb..52fad3c 100644
 -- 
 2.2.2
 
+
+From 9f39e7bd9b26b9938e9cdebf53e3f39b21183097 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/gcrypt.h.in b/src/gcrypt.h.in
+index 89b1303..5d82564 100644
+--- a/src/gcrypt.h.in
++++ b/src/gcrypt.h.in
+@@ -82,9 +82,14 @@ extern "C" {
+    underscore they are subject to change without notice. */
+ #ifdef __GNUC__
+ 
++#ifdef __GNUC_PATCHLEVEL__
+ #define _GCRY_GCC_VERSION (__GNUC__ * 10000 \
+                              + __GNUC_MINOR__ * 100 \
+                              + __GNUC_PATCHLEVEL__)
++#else
++#define _GCRY_GCC_VERSION (__GNUC__ * 10000 \
++                             + __GNUC_MINOR__ * 100)
++#endif
+ 
+ #if _GCRY_GCC_VERSION >= 30100
+ #define _GCRY_GCC_ATTR_DEPRECATED __attribute__ ((__deprecated__))
+-- 
+2.15.1
+