> I wanted to mention this explicitly, since last time around this series > tripped across a GNU make bug. If you see any problems, please report > them and CC me. I will look into them as soon as I am able.
Are there any additional prerequisites on the GNU make version? On a machine with GNU make 3.80 installed, the bootstrap consistently fails with: /red.a/gnatmail/gcc-x/build-red/x86_64-linux/gnat/obj/./prev-gcc/xg++ - B/red.a/gnatmail/gcc-x/build-red/x86_64-linux/gnat/obj/./prev-gcc/ - B/usr/gnat/x86_64-pc-linux-gnu/bin/ -nostdinc++ -B/red.a/gnatmail/gcc-x/build- red/x86_64-linux/gnat/obj/prev-x86_64-pc-linux-gnu/libstdc++-v3/src/.libs - B/red.a/gnatmail/gcc-x/build-red/x86_64-linux/gnat/obj/prev-x86_64-pc-linux- gnu/libstdc++-v3/libsupc++/.libs -I/red.a/gnatmail/gcc-x/build-red/x86_64- linux/gnat/obj/prev-x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux- gnu -I/red.a/gnatmail/gcc-x/build-red/x86_64-linux/gnat/obj/prev-x86_64-pc- linux-gnu/libstdc++-v3/include -I/red.a/gnatmail/gcc-x/build-red/x86_64- linux/gnat/src/libstdc++-v3/libsupc++ -L/red.a/gnatmail/gcc-x/build- red/x86_64-linux/gnat/obj/prev-x86_64-pc-linux-gnu/libstdc++-v3/src/.libs - L/red.a/gnatmail/gcc-x/build-red/x86_64-linux/gnat/obj/prev-x86_64-pc-linux- gnu/libstdc++-v3/libsupc++/.libs -O2 -g -gtoggle -DIN_GCC -fno-exceptions -fno-rtti -fasynchronous-unwind-tables -W -Wall -Wno-narrowing -Wwrite-strings -Wcast-qual -Wmissing-format-attribute -pedantic -Wno-long-long -Wno-variadic- macros -Wno-overlength-strings -Werror -fno-common -DHAVE_CONFIG_H -static- libstdc++ -static-libgcc -o cc1 c/c-lang.o c-family/stub-objc.o attribs.o c/c-errors.o c/c-decl.o c/c-typeck.o c/c-convert.o c/c-aux-info.o c/c-objc- common.o c/c-parser.o c/c-array-notation.o c-family/c-common.o c-family/c- cppbuiltin.o c-family/c-dump.o c-family/c-format.o c-family/c-gimplify.o c- family/c-lex.o c-family/c-omp.o c-family/c-opts.o c-family/c-pch.o c-family/c- ppoutput.o c-family/c-pragma.o c-family/c-pretty-print.o c-family/c- semantics.o c-family/c-ada-spec.o tree-mudflap.o c-family/array-notation- common.o c-family/c-ubsan.o i386-c.o glibc-c.o \ cc1-checksum.o libbackend.a main.o tree-browser.o libcommon-target.a libcommon.a ../libcpp/libcpp.a ../libdecnumber/libdecnumber.a libcommon.a ../libcpp/libcpp.a ../libbacktrace/.libs/libbacktrace.a ../libiberty/libiberty.a ../libdecnumber/libdecnumber.a - L/red.a/gnatmail/gcc-x/build-red/x86_64-linux/libmpfr/install/lib - L/red.a/gnatmail/gcc-x/build-red/x86_64-linux/libmpfr/install/lib - L/red.a/gnatmail/gcc-x/build-red/x86_64-linux/libmpfr/install/lib -lmpc -lmpfr -lgmp -rdynamic -ldl -L../zlib -lz /red.a/gnatmail/gcc-x/build-red/x86_64-linux/gnat/obj/prev-x86_64-pc-linux- gnu/libstdc++-v3/src/.libs/libstdc++.a(eh_alloc.o): In function `__scoped_lock': /red.a/gnatmail/gcc-x/build-red/x86_64-linux/gnat/obj/x86_64-pc-linux- gnu/libstdc++-v3/include/ext/concurrence.h:153: undefined reference to `_Unwind_Resume' /red.a/gnatmail/gcc-x/build-red/x86_64-linux/gnat/obj/prev-x86_64-pc-linux- gnu/libstdc++-v3/src/.libs/libstdc++.a(eh_alloc.o): In function `__gnu_cxx::__mutex::unlock()': /red.a/gnatmail/gcc-x/build-red/x86_64-linux/gnat/obj/x86_64-pc-linux- gnu/libstdc++-v3/include/ext/concurrence.h:164: undefined reference to `_Unwind_Resume' /red.a/gnatmail/gcc-x/build-red/x86_64-linux/gnat/obj/prev-x86_64-pc-linux- gnu/libstdc++-v3/src/.libs/libstdc++.a(eh_alloc.o): In function `__scoped_lock': /red.a/gnatmail/gcc-x/build-red/x86_64-linux/gnat/obj/x86_64-pc-linux- gnu/libstdc++-v3/include/ext/concurrence.h:153: undefined reference to `_Unwind_Resume' The problem is that the C++ driver doesn't put -lgcc_eh on the link line, which means that ENABLE_SHARED_LIBGCC isn't defined. Here's the line: g++ -c -DSTANDARD_STARTFILE_PREFIX=\"../../../\" - DSTANDARD_EXEC_PREFIX=\"/usr/gnat/lib/gcc/\" - DSTANDARD_LIBEXEC_PREFIX=\"/usr/gnat/libexec/gcc/\" - DDEFAULT_TARGET_VERSION=\"4.9.0\" -DDEFAULT_TARGET_MACHINE=\"x86_64-pc-linux- gnu\" -DSTANDARD_BINDIR_PREFIX=\"/usr/gnat/bin/\" - DTOOLDIR_BASE_PREFIX=\"../../../../\" -DCONFIGURE_SPECS="\"\"" - DIN_GCC_FRONTEND -O2 -g -O0 -g -DIN_GCC -fno-exceptions -fno-rtti - fasynchronous-unwind-tables -W -Wall -Wwrite-strings -Wcast-qual -Wmissing- format-attribute -fno-common -DHAVE_CONFIG_H -I. -Icp -I../../src/gcc - I../../src/gcc/cp -I../../src/gcc/../include -I../../src/gcc/../libcpp/include -I/red.a/gnatmail/gcc-x/build-red/x86_64-linux/libmpfr/install/include - I/red.a/gnatmail/gcc-x/build-red/x86_64-linux/libmpfr/install/include - I/red.a/gnatmail/gcc-x/build-red/x86_64-linux/libmpfr/install/include - I../../src/gcc/../libdecnumber -I../../src/gcc/../libdecnumber/bid - I../libdecnumber -I../../src/gcc/../libbacktrace -o cp/g++spec.o -MT cp/g++spec.o -MMD -MP -MF cp/.deps/g++spec.TPo ../../src/gcc/cp/g++spec.c ../../src/gcc/cp/g++spec.c: In function 'void lang_specific_driver(cl_decoded_option**, unsigned int*, int*)': ../../src/gcc/cp/g++spec.c:329: warning: NULL used in arithmetic The Makefile contains: DRIVER_DEFINES = \ -DSTANDARD_STARTFILE_PREFIX=\"$(unlibsubdir)/\" \ -DSTANDARD_EXEC_PREFIX=\"$(libdir)/gcc/\" \ -DSTANDARD_LIBEXEC_PREFIX=\"$(libexecdir)/gcc/\" \ -DDEFAULT_TARGET_VERSION=\"$(version)\" \ -DDEFAULT_TARGET_MACHINE=\"$(target_noncanonical)\" \ -DSTANDARD_BINDIR_PREFIX=\"$(bindir)/\" \ -DTOOLDIR_BASE_PREFIX=\"$(libsubdir_to_prefix)$(prefix_to_exec_prefix)\" \ \ $(VALGRIND_DRIVER_DEFINES) \ $(and $(SHLIB),$(filter yes,yes),-DENABLE_SHARED_LIBGCC) \ -DCONFIGURE_SPECS="\"\"" which looks correct. -- Eric Botcazou
