[Buildroot] [PATCH v3 1/6] package/compiler-rt: new package

Matt Weber matthew.weber at rockwellcollins.com
Mon Nov 19 02:37:42 UTC 2018


This patch adds support for the compiler-rt (CLANG runtime) library.
It builds a set of static libraries and installs them into the
CLANG/LLVM toolchain resource folder.

Signed-off-by: Matthew Weber <matthew.weber at rockwellcollins.com>
Cc: Romain Naour <romain.naour at smile.fr>
Cc: Ricardo Martincoski <ricardo.martincoski at gmail.com>
---
Changes
v1 -> v2
[Romain
 - Removed unnecessary host-cmake dependency

v2 -> v3
[Romain
 - Update to use COMPILER_RT_INSTALL_PATH for library install
[Ricardo
 - Fixed check-package extra line
 - Spelling in commit message
---
 DEVELOPERS                           |  1 +
 package/Config.in                    |  1 +
 package/compiler-rt/Config.in        | 12 ++++++++++++
 package/compiler-rt/compiler-rt.hash |  3 +++
 package/compiler-rt/compiler-rt.mk   | 33 +++++++++++++++++++++++++++++++++
 5 files changed, 50 insertions(+)
 create mode 100644 package/compiler-rt/Config.in
 create mode 100644 package/compiler-rt/compiler-rt.hash
 create mode 100644 package/compiler-rt/compiler-rt.mk

diff --git a/DEVELOPERS b/DEVELOPERS
index 53467da..e78d649 100644
--- a/DEVELOPERS
+++ b/DEVELOPERS
@@ -1360,6 +1360,7 @@ F:	package/bridge-utils/
 F:	package/checkpolicy/
 F:	package/checksec/
 F:	package/cgroupfs-mount/
+F:	package/compiler-rt/
 F:	package/crda/
 F:	package/devmem2/
 F:	package/dnsmasq/
diff --git a/package/Config.in b/package/Config.in
index b60e770..73ddc2d 100644
--- a/package/Config.in
+++ b/package/Config.in
@@ -1602,6 +1602,7 @@ menu "Other"
 	source "package/clapack/Config.in"
 	source "package/classpath/Config.in"
 	source "package/cmocka/Config.in"
+	source "package/compiler-rt/Config.in"
 	source "package/cppcms/Config.in"
 	source "package/cracklib/Config.in"
 	source "package/dawgdic/Config.in"
diff --git a/package/compiler-rt/Config.in b/package/compiler-rt/Config.in
new file mode 100644
index 0000000..e15d3aa
--- /dev/null
+++ b/package/compiler-rt/Config.in
@@ -0,0 +1,12 @@
+config BR2_PACKAGE_COMPILER_RT
+	bool "compiler-rt"
+	depends on BR2_PACKAGE_LLVM
+	help
+	  A collection of runtime libraries primarily used by clang and
+	  llvm to provide builtins, sanitizer runtimes, and profiling
+	  at runtime.
+
+	  https://compiler-rt.llvm.org/
+
+comment "compiler-rt requires llvm to be enabled"
+	depends on !BR2_PACKAGE_LLVM
diff --git a/package/compiler-rt/compiler-rt.hash b/package/compiler-rt/compiler-rt.hash
new file mode 100644
index 0000000..df6ed19
--- /dev/null
+++ b/package/compiler-rt/compiler-rt.hash
@@ -0,0 +1,3 @@
+# Locally computed:
+sha256 bdec7fe3cf2c85f55656c07dfb0bd93ae46f2b3dd8f33ff3ad6e7586f4c670d6  compiler-rt-7.0.0.src.tar.xz
+sha256 417541d990edb3f96327ac03cb67e52eac80fc5c3e7afc69213cd04d7c3b9b27  LICENSE.TXT
diff --git a/package/compiler-rt/compiler-rt.mk b/package/compiler-rt/compiler-rt.mk
new file mode 100644
index 0000000..fc64707
--- /dev/null
+++ b/package/compiler-rt/compiler-rt.mk
@@ -0,0 +1,33 @@
+################################################################################
+#
+# compiler-rt
+#
+################################################################################
+
+# Compiler-RT should be bumped together with LLVM and Clang as the run-time is
+# tied to the version of those tools
+COMPILER_RT_VERSION = 7.0.0
+COMPILER_RT_SOURCE = compiler-rt-$(COMPILER_RT_VERSION).src.tar.xz
+COMPILER_RT_SITE = http://llvm.org/releases/$(COMPILER_RT_VERSION)
+COMPILER_RT_LICENSE = NCSA MIT
+COMPILER_RT_LICENSE_FILES = LICENSE.TXT
+COMPILER_RT_DEPENDENCIES = host-clang llvm
+
+COMPILER_RT_INSTALL_STAGING = YES
+COMPILER_RT_INSTALL_TARGET = NO
+
+# The installation of the target runtime libraries is currently into the
+# host-{clang,llvm} resources directory. The "resources" directory is loosely
+# document and this location will probably need revisited when making the
+# llvm/clang tools SDK relocatable.
+COMPILER_RT_CONF_OPTS=-DCOMPILER_RT_INCLUDE_TESTS=ON \
+	-DCOMPILER_RT_STANDALONE_BUILD=ON \
+	-DCOMPILER_RT_DEFAULT_TARGET_TRIPLE=$(GNU_TARGET_NAME) \
+	-DLLVM_CONFIG_PATH=$(HOST_DIR)/usr/bin/llvm-config \
+	-DCOMPILER_RT_INSTALL_PATH=$(HOST_DIR)/lib/clang/$(HOST_CLANG_VERSION)/
+
+define COMPILER_RT_INSTALL_STAGING_CMDS
+	$(TARGET_MAKE_ENV) $(MAKE) -C $(@D) install/fast
+endef
+
+$(eval $(cmake-package))
-- 
1.9.1



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