uml: Check for glibc static libraries

[openwrt/openwrt.git] / target / linux / uml / image / Makefile

diff --git a/target/linux/uml/image/Makefile b/target/linux/uml/image/Makefile
index 8e83bfeecc3c19057c6234c5e7057194a9c59925..c8ed874d151d38a03e68b7d4a8b127649c64bf05 100644 (file)
--- a/target/linux/uml/image/Makefile
+++ b/target/linux/uml/image/Makefile
@@ -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))