2 files changed, 45 insertions, 2 deletions

diff --git a/meta-oe/recipes-support/exiv2/exiv2/0001-Use-compiler-fcf-protection-only-if-compiler-arch-su.patch b/meta-oe/recipes-support/exiv2/exiv2/0001-Use-compiler-fcf-protection-only-if-compiler-arch-su.patch
new file mode 100644
index 0000000000..96146a1957
--- /dev/null
+++ b/meta-oe/recipes-support/exiv2/exiv2/0001-Use-compiler-fcf-protection-only-if-compiler-arch-su.patch
@@ -0,0 +1,40 @@
+From 04d5f4805a86302a0e135a28d58a6c1ff6a68d52 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Andreas=20M=C3=BCller?= <schnitzeltony@gmail.com>
+Date: Thu, 30 Jul 2020 23:03:51 +0200
+Subject: [PATCH] Use compiler -fcf-protection only if compiler/arch supports
+ it
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+There have been some PRs they were either rejected or some general suggestion
+for more flags suggested. So
+
+Upstream-Status: Pending
+
+Signed-off-by: Andreas Müller <schnitzeltony@gmail.com>
+---
+ cmake/compilerFlags.cmake | 7 ++++++-
+ 1 file changed, 6 insertions(+), 1 deletion(-)
+
+diff --git a/cmake/compilerFlags.cmake b/cmake/compilerFlags.cmake
+index 12caf42..455525e 100644
+--- a/cmake/compilerFlags.cmake
++++ b/cmake/compilerFlags.cmake
+@@ -26,7 +26,12 @@ if ( MINGW OR UNIX OR MSYS ) # MINGW, Linux, APPLE, CYGWIN
+         # This fails under Fedora, MinGW GCC 8.3.0 and CYGWIN/MSYS 9.3.0
+         if (NOT (MINGW OR CMAKE_HOST_SOLARIS OR CYGWIN OR MSYS) )
+             if (COMPILER_IS_GCC AND CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 8.0)
+-                add_compile_options(-fstack-clash-protection -fcf-protection)
++                # Gcc does support -fcf-protection on few arches only
++                CHECK_CXX_COMPILER_FLAG(-fcf-protection COMPILER_SUPPORTS_FCF_PROTECTION)
++                if (COMPILER_SUPPORTS_FCF_PROTECTION)
++                    add_compile_options(-fcf-protection)
++                endif()
++                add_compile_options(-fstack-clash-protection)
+             endif()
+ 
+             if( (COMPILER_IS_GCC   AND CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 5.0) # Not in GCC 4.8
+-- 
+2.21.3
+
diff --git a/meta-oe/recipes-support/exiv2/exiv2_0.27.1.bb b/meta-oe/recipes-support/exiv2/exiv2_0.27.3.bb
index 97116ee2d1..ed1e8de5c2 100644
--- a/meta-oe/recipes-support/exiv2/exiv2_0.27.1.bb
+++ b/meta-oe/recipes-support/exiv2/exiv2_0.27.3.bb
@@ -5,8 +5,11 @@ LIC_FILES_CHKSUM = "file://COPYING;md5=625f055f41728f84a8d7938acc35bdc2"
 DEPENDS = "zlib expat"
 
 SRC_URI = "https://exiv2.org/releases/${BPN}-${PV}-Source.tar.gz"
-SRC_URI[md5sum] = "56d064517ae5903dd963b84514a121c1"
-SRC_URI[sha256sum] = "f125286980fd1bcb28e188c02a93946951c61e10784720be2301b661a65b3081"
+SRC_URI[sha256sum] = "a79f5613812aa21755d578a297874fb59a85101e793edc64ec2c6bd994e3e778"
+
+# Once patch is obsolete (project should be aware due to PRs), dos2unix can be removed either
+inherit dos2unix
+SRC_URI += "file://0001-Use-compiler-fcf-protection-only-if-compiler-arch-su.patch"
 
 S = "${WORKDIR}/${BPN}-${PV}-Source"