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external toolchain: check cross-compiler existence

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As a minimal test to the external toolchain, check that $(TARGET_CC)
is actually an existing executable file. That way, if the user
misconfigures the toolchain path and/or prefix, a meaningful error
message will be shown.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
This commit is contained in:
Thomas Petazzoni 2009-07-17 08:53:55 +02:00
parent 82bf777ed7
commit 901b468e24
1 changed files with 10 additions and 0 deletions
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10
toolchain/external-toolchain/ext-tool.mk
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@ -181,6 +181,15 @@ check_arm_abi = \
exit 1 ; \
fi ; \
#
# Check that the cross-compiler given in the configuration exists
#
check_cross_compiler_exists = \
if ! test -x $(TARGET_CC) ; then \
echo "Cannot find cross-compiler $(TARGET_CC)" ; \
exit 1 ; \
fi ; \
uclibc: dependencies $(STAMP_DIR)/ext-toolchain-installed
EXTERNAL_LIBS=libc.so libcrypt.so libdl.so libgcc_s.so libm.so libnsl.so libpthread.so libresolv.so librt.so libutil.so
@ -198,6 +207,7 @@ SYSROOT_DIR=$(shell LANG=C $(TARGET_CC) -v 2>&1 | grep ^Configured | tr " " "\n"
$(STAMP_DIR)/ext-toolchain-installed:
@echo "Checking external toolchain settings"
$(Q)$(call check_cross_compiler_exists)
ifeq ($(strip $(SYSROOT_DIR)),)
@echo "External toolchain doesn't support --sysroot. Cannot use."
exit 1