cross-clang: new package

Signed-off-by: Michael Olbrich <m.olbrich@pengutronix.de>

3 files changed, 137 insertions, 1 deletions

diff --git a/Kconfig b/Kconfig
index 238bc4c..5dcff3d 100644
--- a/Kconfig
+++ b/Kconfig
@@ -64,6 +64,7 @@ source "workspace/rules/cross-elf2flt.in"
 source "workspace/rules/kernel-headers.in"
 source "workspace/rules/cross-gcc.in"
 source "workspace/rules/cross-llvm.in"
+source "workspace/rules/cross-clang.in"
 source "workspace/rules/cross-gdb.in"
 source "workspace/rules/cross-toolchain.in"
 source "workspace/rules/host-fake-makeinfo.in"
@@ -114,7 +115,8 @@ config PREFIX_JAVA
 
 config PREFIX_TCID
 	string	
-	default "gcc-${PTXCONF_CROSS_GCC_VERSION}${PTXCONF_PREFIX_JAVA}-glibc-${PTXCONF_GLIBC_VERSION}-binutils-${PTXCONF_CROSS_BINUTILS_VERSION}-kernel-${PTXCONF_KERNEL_HEADERS_VERSION}${PTXCONF_PREFIX_KERNEL}"	if LIBC_GLIBC
+	default "gcc-${PTXCONF_CROSS_GCC_VERSION}${PTXCONF_PREFIX_JAVA}-glibc-${PTXCONF_GLIBC_VERSION}-binutils-${PTXCONF_CROSS_BINUTILS_VERSION}-kernel-${PTXCONF_KERNEL_HEADERS_VERSION}${PTXCONF_PREFIX_KERNEL}"	if LIBC_GLIBC && !CROSS_CLANG
+	default "gcc-${PTXCONF_CROSS_GCC_VERSION}${PTXCONF_PREFIX_JAVA}-clang-${PTXCONF_CROSS_CLANG_VERSION}-glibc-${PTXCONF_GLIBC_VERSION}-binutils-${PTXCONF_CROSS_BINUTILS_VERSION}-kernel-${PTXCONF_KERNEL_HEADERS_VERSION}${PTXCONF_PREFIX_KERNEL}"	if LIBC_GLIBC && CROSS_CLANG
 	default "gcc-${PTXCONF_CROSS_GCC_VERSION}${PTXCONF_PREFIX_JAVA}-uclibc-${PTXCONF_UCLIBC_VERSION}-binutils-${PTXCONF_CROSS_BINUTILS_VERSION}-kernel-${PTXCONF_KERNEL_HEADERS_VERSION}${PTXCONF_PREFIX_KERNEL}"	if LIBC_UCLIBC
 	default "gcc-${PTXCONF_CROSS_GCC_VERSION}-newlib-${PTXCONF_NEWLIB_VERSION}-binutils-${PTXCONF_CROSS_BINUTILS_VERSION}"	if LIBC_NEWLIB
 	default "gcc-${PTXCONF_CROSS_GCC_VERSION}-libc-${PTXCONF_AVRLIB_VERSION}-binutils-${PTXCONF_CROSS_BINUTILS_VERSION}"	if LIBC_AVR
diff --git a/rules/cross-clang.in b/rules/cross-clang.in
new file mode 100644
index 0000000..a272018
--- /dev/null
+++ b/rules/cross-clang.in
@@ -0,0 +1,33 @@
+menuconfig CROSS_CLANG
+	tristate
+	select HOST_CMAKE
+	select CROSS_LLVM
+	prompt "clang                       "
+	help
+	  Clang project is a C, C++, Objective C and Objective C++
+	  front-end for the LLVM compiler. Its goal is to offer a
+	  replacement to the GNU Compiler Collection (GCC).
+
+if CROSS_CLANG
+
+config CROSS_CLANG_VERSION
+	string
+	prompt "clang version"
+	default "${PTXCONF_CROSS_LLVM_VERSION}"
+	help
+	  Specify the version of clang here.
+	  The default ${PTXCONF_CROSS_LLVM_VERSION} is usually correct.
+
+config CROSS_CLANG_MD5
+	string
+	prompt "clang source md5sum"
+
+config CROSS_CLANG_LICENSE
+	string
+	prompt "clang license"
+
+config CROSS_CLANG_LICENSE_FILES
+	string
+	prompt "clang license files"
+
+endif
diff --git a/rules/cross-clang.make b/rules/cross-clang.make
new file mode 100644
index 0000000..2ff45e0
--- /dev/null
+++ b/rules/cross-clang.make
@@ -0,0 +1,101 @@
+# -*-makefile-*-
+#
+# Copyright (C) 2019 by Michael Olbrich <m.olbrich@pengutronix.de>
+#
+# See CREDITS for details about who has contributed to this project.
+#
+# For further information about the PTXdist project and license conditions
+# see the README file.
+#
+
+#
+# We provide this package
+#
+CROSS_PACKAGES-$(PTXCONF_CROSS_CLANG) += cross-clang
+
+#
+# Paths and names
+#
+CROSS_CLANG_VERSION		:= $(call remove_quotes,$(PTXCONF_CROSS_CLANG_VERSION))
+CROSS_CLANG_MD5			:= $(call remove_quotes,$(PTXCONF_CROSS_CLANG_MD5))
+CROSS_CLANG			:= cfe-$(CROSS_CLANG_VERSION)
+CROSS_CLANG_SUFFIX		:= src.tar.xz
+CROSS_CLANG_URL			:= https://releases.llvm.org/$(CROSS_CLANG_VERSION)/$(CROSS_CLANG).$(CROSS_CLANG_SUFFIX)
+CROSS_CLANG_SOURCE		:= $(SRCDIR)/$(CROSS_CLANG).$(CROSS_CLANG_SUFFIX)
+CROSS_CLANG_DIR			:= $(CROSS_BUILDDIR)/$(CROSS_CLANG)
+CROSS_CLANG_LICENSE		:= $(call remove_quotes,$(PTXCONF_CROSS_CLANG_LICENSE))
+CROSS_CLANG_LICENSE_FILES	:= $(call remove_quotes,$(PTXCONF_CROSS_CLANG_LICENSE_FILES))
+
+# ----------------------------------------------------------------------------
+# Prepare
+# ----------------------------------------------------------------------------
+
+CROSS_CLANG_DEVPKG	:= NO
+
+#
+# autoconf
+#
+CROSS_CLANG_CONF_TOOL	:= cmake
+CROSS_CLANG_CONF_OPT	 = \
+	$(HOST_CMAKE_OPT) \
+	-G Ninja \
+	-DCMAKE_INSTALL_PREFIX=$(PTXCONF_PREFIX_CROSS) \
+	-DCMAKE_SKIP_INSTALL_RPATH=ON \
+	-DCMAKE_SKIP_RPATH=ON \
+	-DENABLE_LINKER_BUILD_ID=ON \
+	-DLLVM_ENABLE_LIBXML2=OFF \
+	-DLLVM_INSTALL_TOOLCHAIN_ONLY=ON \
+	-DLLVM_CONFIG=$(CROSS_LLVM_DIR)-build/bin/llvm-config
+
+CROSS_CLANG_LDFLAGS	:= \
+	-Wl,-rpath,$$ORIGIN/../lib
+
+# ----------------------------------------------------------------------------
+# Install
+# ----------------------------------------------------------------------------
+
+CROSS_CLANG_MAKE_ENV := \
+	DESTDIR=$(PTXCONF_DESTDIR)
+
+CROSS_CLANG_CROSS_TOOLS := \
+	clang \
+	clang++ \
+	clang-cpp
+
+CROSS_CLANG_TARGET_EXTRA := \
+	--target=$(PTXCONF_GNU_TARGET) \
+	$(filter-out --%, \
+	$(subst --with-arch,-march, \
+	$(subst --with-cpu,-mcpu, \
+	$(subst --with-float,-mfloat-abi, \
+	$(subst --with-fpu,-mfpu, \
+	$(subst --with-fpmath,-mfpmath, \
+	$(subst --with-mode=,-m, \
+	$(subst --with-tune,-mtune, \
+	$(PTXCONF_CROSS_GCC_CONFIG_EXTRA)))))))))
+
+define ptx/cross-clang-wrapper-impl
+rm -f '$(2)'
+echo '#!/bin/sh' > '$(2)'
+echo 'd="$$(dirname $$(readlink -f "$${0}"))"' >> '$(2)'
+echo '. "$$d/.$(PTXCONF_GNU_TARGET).flags"' >> '$(2)'
+echo 'exec "$$d/$(1)" $${flags} \
+	--sysroot="$$(dirname "$$d")/sysroot-$(PTXCONF_GNU_TARGET)" "$$@"' \
+		>> '$(2)'
+chmod +x '$(2)'
+
+endef
+define ptx/cross-clang-wrapper
+$(call ptx/cross-clang-wrapper-impl,$(strip $(1)),$(strip \
+	$(PTXCONF_SYSROOT_CROSS)/bin/$(PTXCONF_GNU_TARGET)-$(tool)))
+endef
+
+$(STATEDIR)/cross-clang.install:
+	@$(call targetinfo)
+	@$(call world/install, CROSS_CLANG)
+	@echo "flags='$(CROSS_CLANG_TARGET_EXTRA)'" > $(CROSS_CLANG_PKGDIR)/bin/.$(PTXCONF_GNU_TARGET).flags
+	@$(foreach tool,$(CROSS_CLANG_CROSS_TOOLS), \
+		$(call ptx/cross-clang-wrapper,$(tool)))
+	@$(call touch)
+
+# vim: syntax=make