#40478: gcc-4.8 (and likely earlier) build incorrectly +universal -------------------------------+------------------- Reporter: jeremyhu@… | Owner: mww@… Type: defect | Status: new Priority: Normal | Milestone: Component: ports | Version: 2.2.0 Keywords: universal leopard | Port: gcc48 -------------------------------+------------------- I noticed this when trying to build libgcc on a Leopard VM: {{{ /usr/bin/g++-4.2 -arch i386 -c -g -DIN_GCC -fno-exceptions -fno-rtti -fasynchronous-unwind-tables -W -Wall -Wwrite-strings -Wcast-qual -Wmissing-format-attribute -pedantic -Wno-long-long -Wno-variadic-macros -Wno-overlength-strings -fno-common -DHAVE_CONFIG_H -I. -I. -I/opt/local/var/macports/build/_Users_jeremy_src_macports_trunk_dports_lang_gcc48/libgcc/work/gcc-4.8.1/gcc -I/opt/local/var/macports/build/_Users_jeremy_src_macports_trunk_dports_lang_gcc48/libgcc/work/gcc-4.8.1/gcc/. -I/opt/local/var/macports/build/_Users_jeremy_src_macports_trunk_dports_lang_gcc48/libgcc/work/gcc-4.8.1/gcc/../include -I/opt/local/var/macports/build/_Users_jeremy_src_macports_trunk_dports_lang_gcc48/libgcc/work/gcc-4.8.1/gcc/../libcpp/include -I/opt/local/include -I/opt/local/include -I/opt/local/include -I/opt/local/var/macports/build/_Users_jeremy_src_macports_trunk_dports_lang_gcc48/libgcc/work/gcc-4.8.1/gcc/../libdecnumber -I/opt/local/var/macports/build/_Users_jeremy_src_macports_trunk_dports_lang_gcc48/libgcc/work/gcc-4.8.1/gcc/../libdecnumber/dpd -I../libdecnumber -I/opt/local/var/macports/build/_Users_jeremy_src_macports_trunk_dports_lang_gcc48/libgcc/work/gcc-4.8.1/gcc/../libbacktrace -I/opt/local/include /opt/local/var/macports/build/_Users_jeremy_src_macports_trunk_dports_lang_gcc48/libgcc/work/gcc-4.8.1/gcc /pointer-set.c -o pointer-set.o /opt/local/var/macports/build/_Users_jeremy_src_macports_trunk_dports_lang_gcc48/libgcc/work/gcc-4.8.1/gcc /pointer-set.c:60: error: integer constant is too large for ‘unsigned long’ type /opt/local/var/macports/build/_Users_jeremy_src_macports_trunk_dports_lang_gcc48/libgcc/work/gcc-4.8.1/gcc /pointer-set.c: In function ‘size_t hash1(const void*, long unsigned int, long unsigned int)’: /opt/local/var/macports/build/_Users_jeremy_src_macports_trunk_dports_lang_gcc48/libgcc/work/gcc-4.8.1/gcc /pointer-set.c:60: warning: large integer implicitly truncated to unsigned type }}} My hunch is that gcc's build system is checking sizeof(long) at configure time for x86_64 and using it for the i386 slice: {{{ configure:5912: /usr/bin/gcc-4.2 -arch i386 -arch x86_64 -o conftest -g -L/opt/local/lib -Wl,-headerpad_max_install_names conftest.c >&5 configure:5912: $? = 0 configure:5912: ./conftest configure:5912: $? = 0 configure:5927: result: 8 }}} This needs to be solved in a way similar to how we solve it in X11: http://cgit.freedesktop.org/xorg/xserver/tree/include/dix-config-apple- verbatim.h http://cgit.freedesktop.org/xorg/xserver/tree/include/dix-config.h.in -- Ticket URL: <https://trac.macports.org/ticket/40478> MacPorts <http://www.macports.org/> Ports system for OS X