Edit default ELF INTERP paths in GCC config files.

1 files changed, 12 insertions, 0 deletions

diff --git a/build b/build
index 6cfcad3..75f05d6 100755
--- a/build
+++ b/build
@@ -69,6 +69,18 @@ configure: $(configure_targets)
 	touch $@
 
 $(build_targets): configure
+	# Set the default dynamic linker path inserted into ELF INTERP fields.
+	# These default values are in header files in gcc/config.  They must be
+	# edited here rather than in a patch because any given GCC target
+	# configuration can be used by multiple ProteanOS targets.
+	set -e; \
+	. "../targets.d/$(target).sh"; \
+	mv "src/gcc/config/$${gcc_config_file}" \
+		"src/gcc/config/$${gcc_config_file}~"; \
+	define_pattern=".define $${gcc_config_interp_macro}"; \
+	sed "s|^\($${define_pattern}\) \".*\"$$|\1 \"$(elf_interp)\"|" \
+		"src/gcc/config/$${gcc_config_file}~" \
+		>"src/gcc/config/$${gcc_config_file}"
 	if [ "x$(target)" = 'x$(OPK_HOST_ARCH)' ]; then \
 		$(MAKE) -f ../build "buildnative-$(target)"; \
 	else \