summaryrefslogtreecommitdiff
path: root/samples
diff options
context:
space:
mode:
authorAlexey Brodkin <abrodkin@synopsys.com>2019-04-24 11:49:45 (GMT)
committerAlexey Brodkin <abrodkin@synopsys.com>2019-06-14 14:50:46 (GMT)
commitde76f7cc82eedac5653283a99c1c7083d7a0d43b (patch)
tree189a6109af8fe0a16a2bebaa94595acb9c064e9f /samples
parentafaf7b9a25b5d77991002936be5c47fc5ff549de (diff)
ARC: Support building of multi-lib Glibc toolchain
From GCC's standpoint ARC's multilib items are defined by "mcpu" values which we have quite a few and for all of them might be built optimized cross-toolchain. From Glibc's standpoint multilib is just multi-ABI [1] and so very limited versions are supposed to co-exist (e.g. arc700 & archs). Here we force Glibc to install libraries in GCC's multilib folder to create a universal cross-toolchain that has libs optimized for multiple CPU types. But note we only need to mess with installation paths in case of real multilib, otherwise we keep default "lib/" paths so that GCC finds default (the one and only) libs where it expects them to be. Also here we add a sample which allows to build universal Glibc Linux toolchain for ARC. [1] https://sourceware.org/ml/libc-alpha/2019-06/msg00018.html Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
Diffstat (limited to 'samples')
-rw-r--r--samples/arc-multilib-linux-gnu/crosstool.config7
-rw-r--r--samples/arc-multilib-linux-gnu/reported.by3
2 files changed, 10 insertions, 0 deletions
diff --git a/samples/arc-multilib-linux-gnu/crosstool.config b/samples/arc-multilib-linux-gnu/crosstool.config
new file mode 100644
index 0000000..3dc7802
--- /dev/null
+++ b/samples/arc-multilib-linux-gnu/crosstool.config
@@ -0,0 +1,7 @@
+CT_CONFIG_VERSION="3"
+CT_ARCH_ARC=y
+CT_MULTILIB=y
+CT_TARGET_CFLAGS="-matomic"
+CT_TARGET_VENDOR="multilib"
+CT_TARGET_ALIAS="arc-linux"
+CT_KERNEL_LINUX=y
diff --git a/samples/arc-multilib-linux-gnu/reported.by b/samples/arc-multilib-linux-gnu/reported.by
new file mode 100644
index 0000000..e98760a
--- /dev/null
+++ b/samples/arc-multilib-linux-gnu/reported.by
@@ -0,0 +1,3 @@
+reporter_name="Alexey Brodkin"
+reporter_url="http://embarc.org"
+reporter_comment="ARC multilib GNU Linux toolchain"