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gcc47.rb
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require 'formula'
class Gcc47 < Formula
def arch
if Hardware::CPU.type == :intel
if MacOS.prefer_64_bit?
'x86_64'
else
'i686'
end
elsif Hardware::CPU.type == :ppc
if MacOS.prefer_64_bit?
'powerpc64'
else
'powerpc'
end
end
end
def osmajor
`uname -r`.chomp
end
homepage 'http://gcc.gnu.org'
url 'http://ftpmirror.gnu.org/gcc/gcc-4.7.3/gcc-4.7.3.tar.bz2'
mirror 'http://ftp.gnu.org/gnu/gcc/gcc-4.7.3/gcc-4.7.3.tar.bz2'
sha1 '69e02737bd6e1a7c6047d801600d39c32b9427ca'
head 'svn://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch'
option 'enable-cxx', 'Build the g++ compiler'
option 'enable-fortran', 'Build the gfortran compiler'
option 'enable-java', 'Buld the gcj compiler'
option 'enable-objc', 'Enable Objective-C language support'
option 'enable-objcxx', 'Enable Objective-C++ language support'
option 'enable-all-languages', 'Enable all compilers and languages, except Ada'
option 'enable-nls', 'Build with native language support (localization)'
option 'enable-profiled-build', 'Make use of profile guided optimization when bootstrapping GCC'
option 'enable-multilib', 'Build with multilib support'
depends_on 'gmp4'
depends_on 'libmpc08'
depends_on 'mpfr2'
depends_on 'ppl011'
depends_on 'cloog-ppl015'
depends_on 'ecj' if build.include? 'enable-java' or build.include? 'enable-all-languages'
# Import patches from macports:
# https://trac.macports.org/browser/trunk/dports/lang/gcc47/files/gcc-PR-53453.patch
def patches; DATA; end
def install
# GCC will suffer build errors if forced to use a particular linker.
ENV.delete 'LD'
if build.include? 'enable-all-languages'
# Everything but Ada, which requires a pre-existing GCC Ada compiler
# (gnat) to bootstrap. GCC 4.6.0 add go as a language option, but it is
# currently only compilable on Linux.
languages = %w[c c++ fortran java objc obj-c++]
else
# The C compiler is always built, but additional defaults can be added
# here.
languages = %w[c]
languages << 'c++' if build.include? 'enable-cxx'
languages << 'fortran' if build.include? 'enable-fortran'
languages << 'java' if build.include? 'enable-java'
languages << 'objc' if build.include? 'enable-objc'
languages << 'obj-c++' if build.include? 'enable-objcxx'
end
# Sandbox the GCC lib, libexec and include directories so they don't wander
# around telling small children there is no Santa Claus. This results in a
# partially keg-only brew following suggestions outlined in the "How to
# install multiple versions of GCC" section of the GCC FAQ:
# http://gcc.gnu.org/faq.html#multiple
gcc_prefix = prefix + 'gcc'
args = [
"--build=#{arch}-apple-darwin#{osmajor}",
# Sandbox everything...
"--prefix=#{gcc_prefix}",
# ...except the stuff in share...
"--datarootdir=#{share}",
# ...and the binaries...
"--bindir=#{bin}",
# ...which are tagged with a suffix to distinguish them.
"--enable-languages=#{languages.join(',')}",
"--program-suffix=-#{version.to_s.slice(/\d\.\d/)}",
"--with-gmp=#{Formula.factory('gmp4').opt_prefix}",
"--with-mpfr=#{Formula.factory('mpfr2').opt_prefix}",
"--with-mpc=#{Formula.factory('libmpc08').opt_prefix}",
"--with-ppl=#{Formula.factory('ppl011').opt_prefix}",
"--with-cloog=#{Formula.factory('cloog-ppl015').opt_prefix}",
"--with-system-zlib",
"--enable-libstdcxx-time=yes",
"--enable-stage1-checking",
"--enable-checking=release",
"--enable-lto",
# a no-op unless --HEAD is built because in head warnings will raise errs.
"--disable-werror"
]
# "Building GCC with plugin support requires a host that supports
# -fPIC, -shared, -ldl and -rdynamic."
args << "--enable-plugin" if MacOS.version > :tiger
args << '--disable-nls' unless build.include? 'enable-nls'
if build.include? 'enable-java' or build.include? 'enable-all-languages'
args << "--with-ecj-jar=#{Formula.factory('ecj').opt_prefix}/share/java/ecj.jar"
end
if build.include? 'enable-multilib'
args << '--enable-multilib'
else
args << '--disable-multilib'
end
mkdir 'build' do
unless MacOS::CLT.installed?
# For Xcode-only systems, we need to tell the sysroot path.
# 'native-system-header's will be appended
args << "--with-native-system-header-dir=/usr/include"
args << "--with-sysroot=#{MacOS.sdk_path}"
end
system '../configure', *args
if build.include? 'enable-profiled-build'
# Takes longer to build, may bug out. Provided for those who want to
# optimise all the way to 11.
system 'make profiledbootstrap'
else
system 'make bootstrap'
end
# At this point `make check` could be invoked to run the testsuite. The
# deja-gnu and autogen formulae must be installed in order to do this.
system 'make install'
# Remove conflicting manpages in man7
man7.rmtree
end
end
end
__END__
http://gcc.gnu.org/ml/gcc-patches/2012-06/msg01181.html
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53453
diff -uNr gcc/config/darwin.h gcc/config/darwin.h
--- gcc-4.7.0/gcc/config/darwin.h 2012-02-16 03:21:46.000000000 -0500
+++ gcc-4.7.0/gcc/config/darwin.h 2012-06-08 08:54:25.000000000 -0400
@@ -356,7 +356,9 @@
%{!Zbundle:%{pg:%{static:-lgcrt0.o} \
%{!static:%{object:-lgcrt0.o} \
%{!object:%{preload:-lgcrt0.o} \
- %{!preload:-lgcrt1.o %(darwin_crt2)}}}} \
+ %{!preload:-lgcrt1.o \
+ %:version-compare(>= 10.8 mmacosx-version-min= -no_new_main) \
+ %(darwin_crt2)}}}} \
%{!pg:%{static:-lcrt0.o} \
%{!static:%{object:-lcrt0.o} \
%{!object:%{preload:-lcrt0.o} \
@@ -379,7 +381,7 @@
#define DARWIN_CRT1_SPEC \
"%:version-compare(!> 10.5 mmacosx-version-min= -lcrt1.o) \
%:version-compare(>< 10.5 10.6 mmacosx-version-min= -lcrt1.10.5.o) \
- %:version-compare(>= 10.6 mmacosx-version-min= -lcrt1.10.6.o) \
+ %:version-compare(>< 10.6 10.8 mmacosx-version-min= -lcrt1.10.6.o) \
%{fgnu-tm: -lcrttms.o}"
/* Default Darwin ASM_SPEC, very simple. */
@@ -414,6 +416,8 @@
#define TARGET_WANT_DEBUG_PUB_SECTIONS true
+#define TARGET_FORCE_AT_COMP_DIR true
+
/* When generating stabs debugging, use N_BINCL entries. */
#define DBX_USE_BINCL
diff -uNr gcc/doc/tm.texi gcc/doc/tm.texi
--- gcc-4.7.0/gcc/doc/tm.texi 2012-01-26 16:48:27.000000000 -0500
+++ gcc-4.7.0/gcc/doc/tm.texi 2012-06-08 08:54:25.000000000 -0400
@@ -9487,6 +9487,10 @@
True if the @code{.debug_pubtypes} and @code{.debug_pubnames} sections should be emitted. These sections are not used on most platforms, and in particular GDB does not use them.
@end deftypevr
+@deftypevr {Target Hook} bool TARGET_FORCE_AT_COMP_DIR
+True if the @code{DW_AT_comp_dir} attribute should be emitted for each compilation unit. This attribute is required for the darwin linker to emit debug information.
+@end deftypevr
+
@deftypevr {Target Hook} bool TARGET_DELAY_SCHED2
True if sched2 is not to be run at its normal place. This usually means it will be run as part of machine-specific reorg.
@end deftypevr
diff -uNr gcc/doc/tm.texi.in gcc/doc/tm.texi.in
--- gcc-4.7.0/gcc/doc/tm.texi.in 2012-01-26 16:48:27.000000000 -0500
+++ gcc-4.7.0/gcc/doc/tm.texi.in 2012-06-08 08:54:25.000000000 -0400
@@ -9386,6 +9386,8 @@
@hook TARGET_WANT_DEBUG_PUB_SECTIONS
+@hook TARGET_FORCE_AT_COMP_DIR
+
@hook TARGET_DELAY_SCHED2
@hook TARGET_DELAY_VARTRACK
diff -uNr gcc/dwarf2out.c gcc/dwarf2out.c
--- gcc-4.7.0/gcc/dwarf2out.c 2012-06-04 09:24:24.000000000 -0400
+++ gcc-4.7.0/gcc/dwarf2out.c 2012-06-08 08:54:25.000000000 -0400
@@ -22501,7 +22501,7 @@
/* Add the name for the main input file now. We delayed this from
dwarf2out_init to avoid complications with PCH. */
add_name_attribute (comp_unit_die (), remap_debug_filename (filename));
- if (!IS_ABSOLUTE_PATH (filename))
+ if (!IS_ABSOLUTE_PATH (filename) || targetm.force_at_comp_dir)
add_comp_dir_attribute (comp_unit_die ());
else if (get_AT (comp_unit_die (), DW_AT_comp_dir) == NULL)
{
diff -uNr gcc/target.def gcc/target.def
--- gcc-4.7.0/gcc/target.def 2012-01-26 16:48:27.000000000 -0500
+++ gcc-4.7.0/gcc/target.def 2012-06-08 08:54:25.000000000 -0400
@@ -2748,6 +2748,13 @@
bool, false)
DEFHOOKPOD
+(force_at_comp_dir,
+ "True if the @code{DW_AT_comp_dir} attribute should be emitted for each \
+ compilation unit. This attribute is required for the darwin linker \
+ to emit debug information.",
+ bool, false)
+
+DEFHOOKPOD
(delay_sched2, "True if sched2 is not to be run at its normal place. \
This usually means it will be run as part of machine-specific reorg.",
bool, false)