[Buildroot] [git commit] toolchain/external: ensure gcc version is known
Thomas Petazzoni
thomas.petazzoni at free-electrons.com
Tue Aug 18 09:47:23 UTC 2015
commit: http://git.buildroot.net/buildroot/commit/?id=23fde76859ddcbc6415f61ddfdd4ee14453eb758
branch: http://git.buildroot.net/buildroot/commit/?id=refs/heads/master
Currently, when a preconfigured prebuilt toolchain forgets to specify
its gcc version, the error message is a bit misleading, like:
Incorrect selection of gcc version: expected .x, got 4.9.2
Add a an explicit check for the gcc version being set, that reports a
better error message.
Signed-off-by: "Yann E. MORIN" <yann.morin.1998 at free.fr>
Cc: Thomas Petazzoni <thomas.petazzoni at free-electrons.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni at free-electrons.com>
---
toolchain/helpers.mk | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/toolchain/helpers.mk b/toolchain/helpers.mk
index 7c70d35..85a9407 100644
--- a/toolchain/helpers.mk
+++ b/toolchain/helpers.mk
@@ -193,6 +193,10 @@ check_kernel_headers_version = \
#
check_gcc_version = \
expected_version="$(strip $2)" ; \
+ if [ -z "$${expected_version}" ]; then \
+ printf "Internal error, gcc version unknown (no GCC_AT_LEAST_X_Y selected)\n"; \
+ exit 1 ; \
+ fi; \
real_version=`$(1) --version | sed -r -e '1!d; s/^[^)]+\) ([^[:space:]]+).*/\1/;'` ; \
if [[ ! "$${real_version}" =~ ^$${expected_version}\. ]] ; then \
printf "Incorrect selection of gcc version: expected %s.x, got %s\n" \
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