initial buildroot for linux 5.15

package/exiv2/0001-add-BUILD_WITH_STACK_PROTECTOR-option.patch

@@ -0,0 +1,54 @@
+From 4bb57da5fb0bb0d7e747b9e325e9ec0876ffc1f9 Mon Sep 17 00:00:00 2001
+From: Fabrice Fontaine <fontaine.fabrice@gmail.com>
+Date: Sat, 31 Jul 2021 16:36:50 +0200
+Subject: [PATCH] add BUILD_WITH_STACK_PROTECTOR option
+
+Add BUILD_WITH_STACK_PROTECTOR to avoid the following build failure with
+toolchains that don't support stack-protector:
+
+/home/buildroot/autobuild/instance-3/output-1/host/opt/ext-toolchain/bin/../lib/gcc/mipsel-buildroot-linux-uclibc/9.3.0/../../../../mipsel-buildroot-linux-uclibc/bin/ld: utils.cpp:(.text._ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE12_M_constructIPcEEvT_S7_St20forward_iterator_tag[_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE12_M_constructIPcEEvT_S7_St20forward_iterator_tag]+0xd0): undefined reference to `__stack_chk_fail'
+
+Indeed, support for -fstack-protector-strong can't be detected through
+check_cxx_compiler_flag as some toolchains need to link with -lssp to
+enable SSP support
+
+Fixes:
+ - http://autobuild.buildroot.org/results/ae4635899124c602c70d2b342a76f95c34aa4a3d
+
+Upstream: https://github.com/Exiv2/exiv2/commit/f31c0eba098889899d29b7b0da830aee2b62a7b8
+Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
+---
+ CMakeLists.txt            | 1 +
+ cmake/compilerFlags.cmake | 4 ++--
+ 2 files changed, 3 insertions(+), 2 deletions(-)
+
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index 6f0da06a..0746ee14 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -47,6 +47,7 @@ mark_as_advanced(
+     EXIV2_TEAM_USE_SANITIZERS
+ )
+ 
++option( BUILD_WITH_STACK_PROTECTOR    "Build with stack protector"                            ON )
+ option( BUILD_WITH_CCACHE             "Use ccache to speed up compilations"                   OFF )
+ option( BUILD_WITH_COVERAGE           "Add compiler flags to generate coverage stats"         OFF )
+ 
+diff --git a/cmake/compilerFlags.cmake b/cmake/compilerFlags.cmake
+index 35faf501..0a646e50 100644
+--- a/cmake/compilerFlags.cmake
++++ b/cmake/compilerFlags.cmake
+@@ -33,8 +33,8 @@ if ( MINGW OR UNIX OR MSYS ) # MINGW, Linux, APPLE, CYGWIN
+             endif()
+             if(HAS_FCF_PROTECTION)
+                 add_compile_options(-fcf-protection)
+-            endif()
+-            if(HAS_FSTACK_PROTECTOR_STRONG)
++              endif()
++	    if(BUILD_WITH_STACK_PROTECTOR AND HAS_FSTACK_PROTECTOR_STRONG)
+                 add_compile_options(-fstack-protector-strong)
+             endif()
+         endif()
+-- 
+2.31.1
+

package/exiv2/Config.in

@@ -0,0 +1,44 @@
+comment "exiv2 needs a uClibc or glibc toolchain w/ C++, wchar, dynamic library, threads"
+	depends on BR2_STATIC_LIBS || !BR2_INSTALL_LIBSTDCPP \
+		|| !BR2_USE_WCHAR || !BR2_TOOLCHAIN_HAS_THREADS \
+		|| BR2_TOOLCHAIN_USES_MUSL
+
+config BR2_PACKAGE_EXIV2
+	bool "exiv2"
+	depends on !BR2_STATIC_LIBS
+	depends on BR2_INSTALL_LIBSTDCPP
+	depends on BR2_TOOLCHAIN_HAS_THREADS
+	depends on !BR2_TOOLCHAIN_USES_MUSL # PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP
+	depends on BR2_USE_WCHAR
+	help
+	  Exiv2 is a C++ library and a command line utility to manage
+	  image metadata. It provides fast and easy read and write
+	  access to the Exif, IPTC and XMP metadata of images in
+	  various formats.
+
+	  http://www.exiv2.org/
+
+if BR2_PACKAGE_EXIV2
+
+config BR2_PACKAGE_EXIV2_PNG
+	bool "PNG image support"
+	select BR2_PACKAGE_ZLIB
+	help
+	  Build with PNG image support
+
+config BR2_PACKAGE_EXIV2_XMP
+	bool "XMP support"
+	select BR2_PACKAGE_EXPAT
+	help
+	  Build with XMP support
+
+config BR2_PACKAGE_EXIV2_LENSDATA
+	bool "Nikon lens name database"
+	help
+	  Integrate Nikon lens name database.
+
+	  This database comes from a thirdparty and is free to use in
+	  non-commercial, GPL or open source software only.
+	  For more informations src/nikonmn_int.cpp.
+
+endif

package/exiv2/exiv2.hash

@@ -0,0 +1,3 @@
+# Locally calculated
+sha256  35a58618ab236a901ca4928b0ad8b31007ebdc0386d904409d825024e45ea6e2  exiv2-0.27.5-Source.tar.gz
+sha256  a7ba75cb966aca374711e2af49e5f3aea6a4443a803440f5d93e73a5a1222f66  COPYING

package/exiv2/exiv2.mk

@@ -0,0 +1,47 @@
+################################################################################
+#
+# exiv2
+#
+################################################################################
+
+EXIV2_VERSION = 0.27.5
+EXIV2_SOURCE = exiv2-$(EXIV2_VERSION)-Source.tar.gz
+EXIV2_SITE = https://exiv2.org/builds
+EXIV2_INSTALL_STAGING = YES
+EXIV2_LICENSE = GPL-2.0+
+EXIV2_LICENSE_FILES = COPYING
+EXIV2_CPE_ID_VENDOR = exiv2
+
+EXIV2_CONF_OPTS += \
+	-DBUILD_WITH_STACK_PROTECTOR=OFF \
+	-DEXIV2_BUILD_SAMPLES=OFF
+
+ifeq ($(BR2_PACKAGE_EXIV2_LENSDATA),y)
+EXIV2_CONF_OPTS += -DEXIV2_ENABLE_LENSDATA=ON
+else
+EXIV2_CONF_OPTS += -DEXIV2_ENABLE_LENSDATA=OFF
+endif
+
+ifeq ($(BR2_PACKAGE_EXIV2_PNG),y)
+EXIV2_CONF_OPTS += -DEXIV2_ENABLE_PNG=ON
+EXIV2_DEPENDENCIES += zlib
+else
+EXIV2_CONF_OPTS += -DEXIV2_ENABLE_PNG=OFF
+endif
+
+ifeq ($(BR2_PACKAGE_EXIV2_XMP),y)
+EXIV2_CONF_OPTS += -DEXIV2_ENABLE_XMP=ON
+EXIV2_DEPENDENCIES += expat
+else
+EXIV2_CONF_OPTS += -DEXIV2_ENABLE_XMP=OFF
+endif
+
+EXIV2_DEPENDENCIES += $(TARGET_NLS_DEPENDENCIES)
+
+ifeq ($(BR2_SYSTEM_ENABLE_NLS),y)
+EXIV2_CONF_OPTS += -DEXIV2_ENABLE_NLS=ON
+else
+EXIV2_CONF_OPTS += -DEXIV2_ENABLE_NLS=OFF
+endif
+
+$(eval $(cmake-package))