patches/gcc/4.4.5/370-bootstrap-target_lib_path.patch
author Anthony Foiani <anthony.foiani@gmail.com>
Thu May 19 23:06:16 2011 +0200 (2011-05-19)
changeset 2461 ec30b191f0e3
permissions -rw-r--r--
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 ChangeLog:
     2 2010-01-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
     3 
     4 	PR bootstrap/41818
     5 	* Makefile.tpl (BASE_TARGET_EXPORTS): Only add TARGET_LIB_PATH
     6 	to $(RPATH_ENVVAR) if bootstrapping.
     7 	* Makefile.in: Regenerate.
     8 
     9 diff -durN gcc-4.4.5.orig/Makefile.in gcc-4.4.5/Makefile.in
    10 --- gcc-4.4.5.orig/Makefile.in	2009-04-25 06:10:29.000000000 +0200
    11 +++ gcc-4.4.5/Makefile.in	2010-10-09 23:13:50.000000000 +0200
    12 @@ -245,7 +245,10 @@
    13  	STRIP="$(STRIP_FOR_TARGET)"; export STRIP; \
    14  	WINDRES="$(WINDRES_FOR_TARGET)"; export WINDRES; \
    15  	WINDMC="$(WINDMC_FOR_TARGET)"; export WINDMC; \
    16 -	$(RPATH_ENVVAR)=`echo "$(HOST_LIB_PATH)$(TARGET_LIB_PATH)$$$(RPATH_ENVVAR)" | sed 's,::*,:,g;s,^:*,,;s,:*$$,,'`; export $(RPATH_ENVVAR);
    17 +@if gcc-bootstrap
    18 +	$(RPATH_ENVVAR)=`echo "$(TARGET_LIB_PATH)$$$(RPATH_ENVVAR)" | sed 's,::*,:,g;s,^:*,,;s,:*$$,,'`; export $(RPATH_ENVVAR); \
    19 +@endif gcc-bootstrap
    20 +	$(RPATH_ENVVAR)=`echo "$(HOST_LIB_PATH)$$$(RPATH_ENVVAR)" | sed 's,::*,:,g;s,^:*,,;s,:*$$,,'`; export $(RPATH_ENVVAR);
    21  
    22  RAW_CXX_TARGET_EXPORTS = \
    23  	$(BASE_TARGET_EXPORTS) \
    24 diff -durN gcc-4.4.5.orig/Makefile.tpl gcc-4.4.5/Makefile.tpl
    25 --- gcc-4.4.5.orig/Makefile.tpl	2009-04-14 10:57:33.000000000 +0200
    26 +++ gcc-4.4.5/Makefile.tpl	2010-10-09 23:13:50.000000000 +0200
    27 @@ -248,7 +248,10 @@
    28  	STRIP="$(STRIP_FOR_TARGET)"; export STRIP; \
    29  	WINDRES="$(WINDRES_FOR_TARGET)"; export WINDRES; \
    30  	WINDMC="$(WINDMC_FOR_TARGET)"; export WINDMC; \
    31 -	$(RPATH_ENVVAR)=`echo "$(HOST_LIB_PATH)$(TARGET_LIB_PATH)$$$(RPATH_ENVVAR)" | sed 's,::*,:,g;s,^:*,,;s,:*$$,,'`; export $(RPATH_ENVVAR);
    32 +@if gcc-bootstrap
    33 +	$(RPATH_ENVVAR)=`echo "$(TARGET_LIB_PATH)$$$(RPATH_ENVVAR)" | sed 's,::*,:,g;s,^:*,,;s,:*$$,,'`; export $(RPATH_ENVVAR); \
    34 +@endif gcc-bootstrap
    35 +	$(RPATH_ENVVAR)=`echo "$(HOST_LIB_PATH)$$$(RPATH_ENVVAR)" | sed 's,::*,:,g;s,^:*,,;s,:*$$,,'`; export $(RPATH_ENVVAR);
    36  
    37  RAW_CXX_TARGET_EXPORTS = \
    38  	$(BASE_TARGET_EXPORTS) \