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-rw-r--r--gcc/Makefile.in8
1 files changed, 7 insertions, 1 deletions
diff --git a/gcc/Makefile.in b/gcc/Makefile.in
index 5f4dc48..7877954 100644
--- a/gcc/Makefile.in
+++ b/gcc/Makefile.in
@@ -55,6 +55,7 @@ MAKEOVERRIDES =
# -------------------------------
build=@build@
+build_os=@build_os@
host=@host@
host_noncanonical=@host_noncanonical@
host_os=@host_os@
@@ -3333,8 +3334,13 @@ stmp-fixinc: gsyslimits.h macro_list fixinc_list \
multi_dir=`echo $${ml} | sed -e 's/^[^;]*;//'`; \
fix_dir=include-fixed$${multi_dir}; \
if ! $(inhibit_libc) && test ! -d ${BUILD_SYSTEM_HEADER_DIR}; then \
- echo The directory that should contain system headers does not exist: >&2 ; \
+ echo "The directory (BUILD_SYSTEM_HEADER_DIR) that should contain system headers does not exist:" >&2 ; \
echo " ${BUILD_SYSTEM_HEADER_DIR}" >&2 ; \
+ case ${build_os} in \
+ darwin*) \
+ echo "(on Darwin this usually means you need to pass the --with-sysroot= flag to point to a valid MacOS SDK)" >&2; \
+ ;; \
+ esac; \
tooldir_sysinc=`echo "${gcc_tooldir}/sys-include" | sed -e :a -e "s,[^/]*/\.\.\/,," -e ta`; \
if test "x${BUILD_SYSTEM_HEADER_DIR}" = "x$${tooldir_sysinc}"; \
then sleep 1; else exit 1; fi; \