initial buildroot for linux 5.15

package/assimp/assimp.mk

@@ -0,0 +1,43 @@
+################################################################################
+#
+# assimp
+#
+################################################################################
+
+ASSIMP_VERSION = 5.0.1
+ASSIMP_SITE = $(call github,assimp,assimp,v$(ASSIMP_VERSION))
+ASSIMP_LICENSE = BSD-3-Clause
+ASSIMP_LICENSE_FILES = LICENSE
+ASSIMP_DEPENDENCIES = zlib
+ASSIMP_INSTALL_STAGING = YES
+
+# relocation truncated to fit: R_68K_GOT16O. We also need to disable
+# optimizations to not run into "Error: value -43420 out of range"
+# assembler issues.
+ifeq ($(BR2_m68k),y)
+ASSIMP_CXXFLAGS += -mxgot -O0
+endif
+
+# just like m68k coldfire, mips64 also has some limitations on the GOT
+# size for large libraries, which can be overcome by passing
+# -mxgot. Solves "relocation truncated to fit: R_MIPS_CALL16" issues.
+ifeq ($(BR2_mips64)$(BR2_mips64el),y)
+ASSIMP_CXXFLAGS += -mxgot
+endif
+
+# workaround SuperH compiler failure when static linking (i.e -fPIC is
+# not passed) in gcc versions 5.x or older. The -Os optimization level
+# causes a "unable to find a register to spill in class
+# 'GENERAL_REGS'" error. -O2 works fine.
+ifeq ($(BR2_sh):$(BR2_STATIC_LIBS):$(BR2_TOOLCHAIN_GCC_AT_LEAST_6),y:y:)
+ASSIMP_CXXFLAGS += -O2
+endif
+
+ifeq ($(BR2_TOOLCHAIN_HAS_GCC_BUG_85180),y)
+ASSIMP_CXXFLAGS += -O0
+endif
+
+ASSIMP_CONF_OPTS += -DASSIMP_BUILD_TESTS=OFF \
+	-DCMAKE_CXX_FLAGS="$(TARGET_CXXFLAGS) $(ASSIMP_CXXFLAGS)"
+
+$(eval $(cmake-package))