1 files changed, 15 insertions, 0 deletions

diff --git a/meta/recipes-core/glibc/glibc.inc b/meta/recipes-core/glibc/glibc.inc
index cdfa06de90..127ae231d7 100644
--- a/meta/recipes-core/glibc/glibc.inc
+++ b/meta/recipes-core/glibc/glibc.inc
@@ -21,6 +21,21 @@ STAGINGCC = "gcc-cross-intermediate"
 STAGINGCC_virtclass-nativesdk = "gcc-crosssdk-intermediate"
 PATH_prepend = "${STAGING_BINDIR_TOOLCHAIN}.${STAGINGCC}:"
 
+TOOLCHAIN_OPTIONS = " --sysroot=${STAGING_DIR_TCBOOTSTRAP}"
+
+# siteconfig.bbclass runs configure which needs a working compiler
+# For the compiler to work we need a working libc yet libc isn't
+# in the sysroots directory at this point. This means the libc.so
+# linker script won't work as the --sysroot setting isn't correct.
+# Here we create a hacked up libc linker script and pass in the right
+# flags to let configure work. Ugly.
+EXTRASITECONFIG = "CFLAGS='${CFLAGS} -Wl,-L${WORKDIR}/site_config_libc -L${WORKDIR}/site_config_libc -L${SYSROOT_DESTDIR}${libdir} -L${SYSROOT_DESTDIR}${base_libdir} -Wl,-L${SYSROOT_DESTDIR}${libdir} -Wl,-L${SYSROOT_DESTDIR}${base_libdir}'"
+siteconfig_do_siteconfig_gencache_prepend = " \
+        mkdir -p ${WORKDIR}/site_config_libc; \
+        cp ${SYSROOT_DESTDIR}${libdir}/libc.so ${WORKDIR}/site_config_libc; \
+        sed -i -e 's# ${base_libdir}# ${SYSROOT_DESTDIR}${base_libdir}#g' -e 's# ${libdir}# ${SYSROOT_DESTDIR}${libdir}#g' ${WORKDIR}/site_config_libc/libc.so; \
+"
+
 inherit autotools
 
 GLIBC_EXTRA_OECONF ?= ""