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uml: Check for glibc static libraries 

UML statically links against libutil, librt and libpthread. Some hosts do not
necessarily have these libraries installed and we should find out sooner than
later (during the final vmlinux linking stage) about that.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
openwrt-18.06
Florian Fainelli 2017-05-22 19:35:00 -07:00
parent 90336ef4cd
commit e8c3b98973
1 changed files with 11 additions and 0 deletions
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11
target/linux/uml/image/Makefile
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@ -22,3 +22,14 @@ define Image/Build
endef
$(eval $(call BuildImage))
# UML requires linking against several glibc static libraries: libutil, librt
# and libpthread, check that here. We do not check against libpthread
# specifically because getting something to build that references a libpthread
# symbol is pretty involved and Linux distributions package these 3 libraries
# in the same package.
$(eval $(call TestHostCommand,glibc-static, \
Please install a static glibc package. (Missing libutil.a, librt.a or libpthread.a), \
echo 'int main(int argc, char **argv) { login(0); timer_gettime(0, 0); return 0; }' | \
gcc -include utmp.h -x c -o $(TMP_DIR)/a.out - -static -lutil -lrt))