complibs/ppl: build only C and C++ interfaces for PPL
By default, PPL wants to build interfaces for any of a variety of
langauges it finds on the local host (python, java, possibly perl, also
more esoteric languages such as ocaml and prolog).
These extra interfaces can double the compile time for the library. For
single-process builds, I found a savings of more than 40%:
default / j1: 716s total, 143.2s avg, 0.52s stdev
just_c / j1: 406s total, 81.2s avg, 0.33s stdev
just_c_cpp / j1: 413s total, 82.6s avg, 0.22s stdev
And for multi-process builds, it approached 50%:
default / j4: 625s total, 125.0s avg, 0.57s stdev
just_c / j4: 338s total, 67.6s avg, 1.25s stdev
just_c_cpp / j4: 327s total, 65.4s avg, 0.36s stdev
Since the PPL we build within ct-ng is only used by GCC, we only need to
build the C and C++ interfaces.
Signed-Off-By: Anthony Foiani <anthony.foiani@gmail.com>
1 Original patch from gentoo: gentoo/src/patchsets/gcc/4.3.1/gentoo/54_all_300-libstdc++-pic.patch
2 install libstdc++_pic.a if we have pic objs
4 diff -durN gcc-4.3.1.orig/libstdc++-v3/src/Makefile.am gcc-4.3.1/libstdc++-v3/src/Makefile.am
5 --- gcc-4.3.1.orig/libstdc++-v3/src/Makefile.am 2008-02-29 19:26:50.000000000 +0100
6 +++ gcc-4.3.1/libstdc++-v3/src/Makefile.am 2008-06-10 14:58:09.000000000 +0200
8 $(OPT_LDFLAGS) $(SECTION_LDFLAGS) $(AM_CXXFLAGS) $(LTLDFLAGS) -o $@
12 + pic_objs=`sed -n "s:'::g;s:^pic_object=::p" *.lo | grep -v '^none$$'`; \
13 + if [ x"$$pic_objs" != x ]; then \
14 + $(AR) cru libstdc++_pic.a $$pic_objs $(top_builddir)/libsupc++/*.o || exit 1; \
15 + $(INSTALL_DATA) libstdc++_pic.a $(DESTDIR)$(toolexeclibdir) || exit 1; \
18 # Added bits to build debug library.
19 if GLIBCXX_BUILD_DEBUG
20 all-local: build_debug
21 diff -durN gcc-4.3.1.orig/libstdc++-v3/src/Makefile.in gcc-4.3.1/libstdc++-v3/src/Makefile.in
22 --- gcc-4.3.1.orig/libstdc++-v3/src/Makefile.in 2008-02-29 19:26:50.000000000 +0100
23 +++ gcc-4.3.1/libstdc++-v3/src/Makefile.in 2008-06-10 14:58:09.000000000 +0200
26 install-data-am: install-data-local
28 -install-exec-am: install-toolexeclibLTLIBRARIES
29 +install-exec-am: install-toolexeclibLTLIBRARIES install-exec-local
31 install-info: install-info-am
34 maintainer-clean-generic mostlyclean mostlyclean-compile \
35 mostlyclean-generic mostlyclean-libtool pdf pdf-am ps ps-am \
36 tags uninstall uninstall-am uninstall-info-am \
37 - uninstall-toolexeclibLTLIBRARIES
38 + uninstall-toolexeclibLTLIBRARIES install-exec-local
41 # Symbol versioning for shared libraries.
44 (cd ${debugdir} && $(MAKE) \
45 toolexeclibdir=$(glibcxx_toolexeclibdir)/debug install)
48 + pic_objs=`sed -n "s:'::g;s:^pic_object=::p" *.lo | grep -v '^none$$'`; \
49 + if [ x"$$pic_objs" != x ]; then \
50 + $(AR) cru libstdc++_pic.a $$pic_objs $(top_builddir)/libsupc++/*.o || exit 1; \
51 + $(INSTALL_DATA) libstdc++_pic.a $(DESTDIR)$(toolexeclibdir) || exit 1; \
54 # Tell versions [3.59,3.63) of GNU make to not export all variables.
55 # Otherwise a system limit (for SysV at least) may be exceeded.