[gcc-6] 279/401: * Build the GC enabled libobjc using the system libgc when available

Ximin Luo infinity0 at debian.org
Wed Apr 5 15:50:02 UTC 2017


This is an automated email from the git hooks/post-receive script.

infinity0 pushed a commit to branch pu/reproducible_builds
in repository gcc-6.

commit fc928655f4ceb3728ab71797e016e7ecd77880a9
Author: doko <doko at 6ca36cf4-e1d1-0310-8c6f-e303bb2178ca>
Date:   Fri Nov 18 18:55:30 2016 +0000

      * Build the GC enabled libobjc using the system libgc when available
    
    
    git-svn-id: svn://anonscm.debian.org/gcccvs/branches/sid/gcc-6@9093 6ca36cf4-e1d1-0310-8c6f-e303bb2178ca
---
 debian/changelog                      |   6 +
 debian/control                        |   1 +
 debian/control.m4                     |   2 +
 debian/patches/libobjc-system-gc.diff | 782 ++++++++++++++++++++++++++++++++++
 debian/rules.patch                    |   1 +
 5 files changed, 792 insertions(+)

diff --git a/debian/changelog b/debian/changelog
index e44dc9d..cdf50b9 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,9 @@
+gcc-6 (6.2.1-4) unstabe; urgency=medium
+
+  * Build the GC enabled libobjc using the system libgc when available
+
+ -- Matthias Klose <doko at debian.org>  Fri, 18 Nov 2016 19:45:22 +0100
+
 gcc-6 (6.2.1-3) unstable; urgency=medium
 
   * Build-depend on binutils (>= 2.27.51.20161118), required for sparc64.
diff --git a/debian/control b/debian/control
index a57eeb3..f3a7cab 100644
--- a/debian/control
+++ b/debian/control
@@ -19,6 +19,7 @@ Build-Depends: debhelper (>= 9.20141010), dpkg-dev (>= 1.17.14),
   procps, zlib1g-dev, libantlr-java, python:native, libffi-dev, fastjar, libmagic-dev, libecj-java (>= 3.3.0-2), zip, libasound2-dev [ !hurd-any !kfreebsd-any], libxtst-dev, libxt-dev, libgtk2.0-dev (>= 2.4.4-2), libart-2.0-dev, libcairo2-dev, gnat-6:native [!m32r !sh3 !sh3eb !sh4eb !powerpcspe !m68k !mips64 !x32], g++-6:native, netbase, 
   libisl-dev (>= 0.14), libmpc-dev (>= 1.0), libmpfr-dev (>= 3.0.0-9~), libgmp-dev (>= 2:5.0.1~), lib32z1-dev [amd64 kfreebsd-amd64], lib64z1-dev [i386], 
   dejagnu [!m68k], realpath (>= 1.9.12), chrpath, lsb-release, quilt, 
+  libgc-dev, 
    g++-6-alpha-linux-gnu [alpha] <cross>, gobjc-6-alpha-linux-gnu [alpha] <cross>, gfortran-6-alpha-linux-gnu [alpha] <cross>, gcj-6-alpha-linux-gnu [alpha] <cross>, gdc-6-alpha-linux-gnu [alpha] <cross>, gccgo-6-alpha-linux-gnu [alpha] <cross>, gnat-6-alpha-linux-gnu [alpha] <cross>, g++-6-x86-64-linux-gnu [amd64] <cross>, gobjc-6-x86-64-linux-gnu [amd64] <cross>, gfortran-6-x86-64-linux-gnu [amd64] <cross>, gcj-6-x86-64-linux-gnu [amd64] <cross>, gdc-6-x86-64-linux-gnu [amd64] <cross>, [...]
 Build-Depends-Indep: doxygen (>= 1.7.2), graphviz (>= 2.2), ghostscript, texlive-latex-base, xsltproc, libxml2-utils, docbook-xsl-ns, 
 Homepage: http://gcc.gnu.org/
diff --git a/debian/control.m4 b/debian/control.m4
index 6e1f6c2..b43afcd 100644
--- a/debian/control.m4
+++ b/debian/control.m4
@@ -65,6 +65,7 @@ Build-Depends: DEBHELPER_BUILD_DEP DPKG_BUILD_DEP
   SOURCE_BUILD_DEP CROSS_BUILD_DEP
   ISL_BUILD_DEP MPC_BUILD_DEP MPFR_BUILD_DEP GMP_BUILD_DEP
   autogen, zlib1g-dev, gawk, lzma, xz-utils, patchutils,
+  libgc-dev,
   zlib1g-dev, SDT_BUILD_DEP
   bison (>= 1:2.3), flex, realpath (>= 1.9.12), lsb-release, quilt
 ',`dnl native
@@ -83,6 +84,7 @@ Build-Depends: DEBHELPER_BUILD_DEP DPKG_BUILD_DEP
   procps, FORTRAN_BUILD_DEP JAVA_BUILD_DEP GNAT_BUILD_DEP GO_BUILD_DEP GDC_BUILD_DEP
   ISL_BUILD_DEP MPC_BUILD_DEP MPFR_BUILD_DEP GMP_BUILD_DEP PHOBOS_BUILD_DEP
   CHECK_BUILD_DEP realpath (>= 1.9.12), chrpath, lsb-release, quilt,
+  libgc-dev,
   TARGET_TOOL_BUILD_DEP
 Build-Depends-Indep: LIBSTDCXX_BUILD_INDEP JAVA_BUILD_INDEP
 ')dnl
diff --git a/debian/patches/libobjc-system-gc.diff b/debian/patches/libobjc-system-gc.diff
new file mode 100644
index 0000000..91ece31
--- /dev/null
+++ b/debian/patches/libobjc-system-gc.diff
@@ -0,0 +1,782 @@
+# DP: Build the GC enabled libobjc using the system libgc when available
+
+--- a/src/config/pkg.m4
++++ b/src/config/pkg.m4
+@@ -0,0 +1,550 @@
++dnl pkg.m4 - Macros to locate and utilise pkg-config.   -*- Autoconf -*-
++dnl serial 11 (pkg-config-0.29)
++dnl
++dnl Copyright © 2004 Scott James Remnant <scott at netsplit.com>.
++dnl Copyright © 2012-2015 Dan Nicholson <dbn.lists at gmail.com>
++dnl
++dnl This program is free software; you can redistribute it and/or modify
++dnl it under the terms of the GNU General Public License as published by
++dnl the Free Software Foundation; either version 2 of the License, or
++dnl (at your option) any later version.
++dnl
++dnl This program is distributed in the hope that it will be useful, but
++dnl WITHOUT ANY WARRANTY; without even the implied warranty of
++dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
++dnl General Public License for more details.
++dnl
++dnl You should have received a copy of the GNU General Public License
++dnl along with this program; if not, write to the Free Software
++dnl Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
++dnl 02111-1307, USA.
++dnl
++dnl As a special exception to the GNU General Public License, if you
++dnl distribute this file as part of a program that contains a
++dnl configuration script generated by Autoconf, you may include it under
++dnl the same distribution terms that you use for the rest of that
++dnl program.
++
++dnl PKG_PREREQ(MIN-VERSION)
++dnl -----------------------
++dnl Since: 0.29
++dnl
++dnl Verify that the version of the pkg-config macros are at least
++dnl MIN-VERSION. Unlike PKG_PROG_PKG_CONFIG, which checks the user's
++dnl installed version of pkg-config, this checks the developer's version
++dnl of pkg.m4 when generating configure.
++dnl
++dnl To ensure that this macro is defined, also add:
++dnl m4_ifndef([PKG_PREREQ],
++dnl     [m4_fatal([must install pkg-config 0.29 or later before running autoconf/autogen])])
++dnl
++dnl See the "Since" comment for each macro you use to see what version
++dnl of the macros you require.
++m4_defun([PKG_PREREQ],
++[m4_define([PKG_MACROS_VERSION], [0.29])
++m4_if(m4_version_compare(PKG_MACROS_VERSION, [$1]), -1,
++    [m4_fatal([pkg.m4 version $1 or higher is required but ]PKG_MACROS_VERSION[ found])])
++])dnl PKG_PREREQ
++
++dnl PKG_PROG_PKG_CONFIG([MIN-VERSION])
++dnl ----------------------------------
++dnl Since: 0.16
++dnl
++dnl Search for the pkg-config tool and set the PKG_CONFIG variable to
++dnl first found in the path. Checks that the version of pkg-config found
++dnl is at least MIN-VERSION. If MIN-VERSION is not specified, 0.9.0 is
++dnl used since that's the first version where most current features of
++dnl pkg-config existed.
++AC_DEFUN([PKG_PROG_PKG_CONFIG],
++[m4_pattern_forbid([^_?PKG_[A-Z_]+$])
++m4_pattern_allow([^PKG_CONFIG(_(PATH|LIBDIR|SYSROOT_DIR|ALLOW_SYSTEM_(CFLAGS|LIBS)))?$])
++m4_pattern_allow([^PKG_CONFIG_(DISABLE_UNINSTALLED|TOP_BUILD_DIR|DEBUG_SPEW)$])
++AC_ARG_VAR([PKG_CONFIG], [path to pkg-config utility])
++AC_ARG_VAR([PKG_CONFIG_PATH], [directories to add to pkg-config's search path])
++AC_ARG_VAR([PKG_CONFIG_LIBDIR], [path overriding pkg-config's built-in search path])
++
++if test "x$ac_cv_env_PKG_CONFIG_set" != "xset"; then
++	AC_PATH_TOOL([PKG_CONFIG], [pkg-config])
++fi
++if test -n "$PKG_CONFIG"; then
++	_pkg_min_version=m4_default([$1], [0.9.0])
++	AC_MSG_CHECKING([pkg-config is at least version $_pkg_min_version])
++	if $PKG_CONFIG --atleast-pkgconfig-version $_pkg_min_version; then
++		AC_MSG_RESULT([yes])
++	else
++		AC_MSG_RESULT([no])
++		PKG_CONFIG=""
++	fi
++fi[]dnl
++])dnl PKG_PROG_PKG_CONFIG
++
++dnl PKG_CHECK_EXISTS(MODULES, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
++dnl -------------------------------------------------------------------
++dnl Since: 0.18
++dnl
++dnl Check to see whether a particular set of modules exists. Similar to
++dnl PKG_CHECK_MODULES(), but does not set variables or print errors.
++dnl
++dnl Please remember that m4 expands AC_REQUIRE([PKG_PROG_PKG_CONFIG])
++dnl only at the first occurence in configure.ac, so if the first place
++dnl it's called might be skipped (such as if it is within an "if", you
++dnl have to call PKG_CHECK_EXISTS manually
++AC_DEFUN([PKG_CHECK_EXISTS],
++[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl
++if test -n "$PKG_CONFIG" && \
++    AC_RUN_LOG([$PKG_CONFIG --exists --print-errors "$1"]); then
++  m4_default([$2], [:])
++m4_ifvaln([$3], [else
++  $3])dnl
++fi])
++
++dnl _PKG_CONFIG([VARIABLE], [COMMAND], [MODULES])
++dnl ---------------------------------------------
++dnl Internal wrapper calling pkg-config via PKG_CONFIG and setting
++dnl pkg_failed based on the result.
++m4_define([_PKG_CONFIG],
++[if test -n "$$1"; then
++    pkg_cv_[]$1="$$1"
++ elif test -n "$PKG_CONFIG"; then
++    PKG_CHECK_EXISTS([$3],
++                     [pkg_cv_[]$1=`$PKG_CONFIG --[]$2 "$3" 2>/dev/null`
++		      test "x$?" != "x0" && pkg_failed=yes ],
++		     [pkg_failed=yes])
++ else
++    pkg_failed=untried
++fi[]dnl
++])dnl _PKG_CONFIG
++
++dnl _PKG_SHORT_ERRORS_SUPPORTED
++dnl ---------------------------
++dnl Internal check to see if pkg-config supports short errors.
++AC_DEFUN([_PKG_SHORT_ERRORS_SUPPORTED],
++[AC_REQUIRE([PKG_PROG_PKG_CONFIG])
++if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then
++        _pkg_short_errors_supported=yes
++else
++        _pkg_short_errors_supported=no
++fi[]dnl
++])dnl _PKG_SHORT_ERRORS_SUPPORTED
++
++
++dnl PKG_CHECK_MODULES(VARIABLE-PREFIX, MODULES, [ACTION-IF-FOUND],
++dnl   [ACTION-IF-NOT-FOUND])
++dnl --------------------------------------------------------------
++dnl Since: 0.4.0
++dnl
++dnl Note that if there is a possibility the first call to
++dnl PKG_CHECK_MODULES might not happen, you should be sure to include an
++dnl explicit call to PKG_PROG_PKG_CONFIG in your configure.ac
++AC_DEFUN([PKG_CHECK_MODULES],
++[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl
++AC_ARG_VAR([$1][_CFLAGS], [C compiler flags for $1, overriding pkg-config])dnl
++AC_ARG_VAR([$1][_LIBS], [linker flags for $1, overriding pkg-config])dnl
++
++pkg_failed=no
++AC_MSG_CHECKING([for $1])
++
++_PKG_CONFIG([$1][_CFLAGS], [cflags], [$2])
++_PKG_CONFIG([$1][_LIBS], [libs], [$2])
++
++m4_define([_PKG_TEXT], [Alternatively, you may set the environment variables $1[]_CFLAGS
++and $1[]_LIBS to avoid the need to call pkg-config.
++See the pkg-config man page for more details.])
++
++if test $pkg_failed = yes; then
++   	AC_MSG_RESULT([no])
++        _PKG_SHORT_ERRORS_SUPPORTED
++        if test $_pkg_short_errors_supported = yes; then
++	        $1[]_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "$2" 2>&1`
++        else 
++	        $1[]_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "$2" 2>&1`
++        fi
++	# Put the nasty error message in config.log where it belongs
++	echo "$$1[]_PKG_ERRORS" >&AS_MESSAGE_LOG_FD
++
++	m4_default([$4], [AC_MSG_ERROR(
++[Package requirements ($2) were not met:
++
++$$1_PKG_ERRORS
++
++Consider adjusting the PKG_CONFIG_PATH environment variable if you
++installed software in a non-standard prefix.
++
++_PKG_TEXT])[]dnl
++        ])
++elif test $pkg_failed = untried; then
++     	AC_MSG_RESULT([no])
++	m4_default([$4], [AC_MSG_FAILURE(
++[The pkg-config script could not be found or is too old.  Make sure it
++is in your PATH or set the PKG_CONFIG environment variable to the full
++path to pkg-config.
++
++_PKG_TEXT
++
++To get pkg-config, see <http://pkg-config.freedesktop.org/>.])[]dnl
++        ])
++else
++	$1[]_CFLAGS=$pkg_cv_[]$1[]_CFLAGS
++	$1[]_LIBS=$pkg_cv_[]$1[]_LIBS
++        AC_MSG_RESULT([yes])
++	$3
++fi[]dnl
++])dnl PKG_CHECK_MODULES
++
++
++dnl PKG_CHECK_MODULES_STATIC(VARIABLE-PREFIX, MODULES, [ACTION-IF-FOUND],
++dnl   [ACTION-IF-NOT-FOUND])
++dnl ---------------------------------------------------------------------
++dnl Since: 0.29
++dnl
++dnl Checks for existence of MODULES and gathers its build flags with
++dnl static libraries enabled. Sets VARIABLE-PREFIX_CFLAGS from --cflags
++dnl and VARIABLE-PREFIX_LIBS from --libs.
++dnl
++dnl Note that if there is a possibility the first call to
++dnl PKG_CHECK_MODULES_STATIC might not happen, you should be sure to
++dnl include an explicit call to PKG_PROG_PKG_CONFIG in your
++dnl configure.ac.
++AC_DEFUN([PKG_CHECK_MODULES_STATIC],
++[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl
++_save_PKG_CONFIG=$PKG_CONFIG
++PKG_CONFIG="$PKG_CONFIG --static"
++PKG_CHECK_MODULES($@)
++PKG_CONFIG=$_save_PKG_CONFIG[]dnl
++])dnl PKG_CHECK_MODULES_STATIC
++
++
++dnl PKG_INSTALLDIR([DIRECTORY])
++dnl -------------------------
++dnl Since: 0.27
++dnl
++dnl Substitutes the variable pkgconfigdir as the location where a module
++dnl should install pkg-config .pc files. By default the directory is
++dnl $libdir/pkgconfig, but the default can be changed by passing
++dnl DIRECTORY. The user can override through the --with-pkgconfigdir
++dnl parameter.
++AC_DEFUN([PKG_INSTALLDIR],
++[m4_pushdef([pkg_default], [m4_default([$1], ['${libdir}/pkgconfig'])])
++m4_pushdef([pkg_description],
++    [pkg-config installation directory @<:@]pkg_default[@:>@])
++AC_ARG_WITH([pkgconfigdir],
++    [AS_HELP_STRING([--with-pkgconfigdir], pkg_description)],,
++    [with_pkgconfigdir=]pkg_default)
++AC_SUBST([pkgconfigdir], [$with_pkgconfigdir])
++m4_popdef([pkg_default])
++m4_popdef([pkg_description])
++])dnl PKG_INSTALLDIR
++
++
++dnl PKG_NOARCH_INSTALLDIR([DIRECTORY])
++dnl --------------------------------
++dnl Since: 0.27
++dnl
++dnl Substitutes the variable noarch_pkgconfigdir as the location where a
++dnl module should install arch-independent pkg-config .pc files. By
++dnl default the directory is $datadir/pkgconfig, but the default can be
++dnl changed by passing DIRECTORY. The user can override through the
++dnl --with-noarch-pkgconfigdir parameter.
++AC_DEFUN([PKG_NOARCH_INSTALLDIR],
++[m4_pushdef([pkg_default], [m4_default([$1], ['${datadir}/pkgconfig'])])
++m4_pushdef([pkg_description],
++    [pkg-config arch-independent installation directory @<:@]pkg_default[@:>@])
++AC_ARG_WITH([noarch-pkgconfigdir],
++    [AS_HELP_STRING([--with-noarch-pkgconfigdir], pkg_description)],,
++    [with_noarch_pkgconfigdir=]pkg_default)
++AC_SUBST([noarch_pkgconfigdir], [$with_noarch_pkgconfigdir])
++m4_popdef([pkg_default])
++m4_popdef([pkg_description])
++])dnl PKG_NOARCH_INSTALLDIR
++
++
++dnl PKG_CHECK_VAR(VARIABLE, MODULE, CONFIG-VARIABLE,
++dnl [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
++dnl -------------------------------------------
++dnl Since: 0.28
++dnl
++dnl Retrieves the value of the pkg-config variable for the given module.
++AC_DEFUN([PKG_CHECK_VAR],
++[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl
++AC_ARG_VAR([$1], [value of $3 for $2, overriding pkg-config])dnl
++
++_PKG_CONFIG([$1], [variable="][$3]["], [$2])
++AS_VAR_COPY([$1], [pkg_cv_][$1])
++
++AS_VAR_IF([$1], [""], [$5], [$4])dnl
++])dnl PKG_CHECK_VAR
++dnl pkg.m4 - Macros to locate and utilise pkg-config.   -*- Autoconf -*-
++dnl serial 11 (pkg-config-0.29)
++dnl
++dnl Copyright © 2004 Scott James Remnant <scott at netsplit.com>.
++dnl Copyright © 2012-2015 Dan Nicholson <dbn.lists at gmail.com>
++dnl
++dnl This program is free software; you can redistribute it and/or modify
++dnl it under the terms of the GNU General Public License as published by
++dnl the Free Software Foundation; either version 2 of the License, or
++dnl (at your option) any later version.
++dnl
++dnl This program is distributed in the hope that it will be useful, but
++dnl WITHOUT ANY WARRANTY; without even the implied warranty of
++dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
++dnl General Public License for more details.
++dnl
++dnl You should have received a copy of the GNU General Public License
++dnl along with this program; if not, write to the Free Software
++dnl Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
++dnl 02111-1307, USA.
++dnl
++dnl As a special exception to the GNU General Public License, if you
++dnl distribute this file as part of a program that contains a
++dnl configuration script generated by Autoconf, you may include it under
++dnl the same distribution terms that you use for the rest of that
++dnl program.
++
++dnl PKG_PREREQ(MIN-VERSION)
++dnl -----------------------
++dnl Since: 0.29
++dnl
++dnl Verify that the version of the pkg-config macros are at least
++dnl MIN-VERSION. Unlike PKG_PROG_PKG_CONFIG, which checks the user's
++dnl installed version of pkg-config, this checks the developer's version
++dnl of pkg.m4 when generating configure.
++dnl
++dnl To ensure that this macro is defined, also add:
++dnl m4_ifndef([PKG_PREREQ],
++dnl     [m4_fatal([must install pkg-config 0.29 or later before running autoconf/autogen])])
++dnl
++dnl See the "Since" comment for each macro you use to see what version
++dnl of the macros you require.
++m4_defun([PKG_PREREQ],
++[m4_define([PKG_MACROS_VERSION], [0.29])
++m4_if(m4_version_compare(PKG_MACROS_VERSION, [$1]), -1,
++    [m4_fatal([pkg.m4 version $1 or higher is required but ]PKG_MACROS_VERSION[ found])])
++])dnl PKG_PREREQ
++
++dnl PKG_PROG_PKG_CONFIG([MIN-VERSION])
++dnl ----------------------------------
++dnl Since: 0.16
++dnl
++dnl Search for the pkg-config tool and set the PKG_CONFIG variable to
++dnl first found in the path. Checks that the version of pkg-config found
++dnl is at least MIN-VERSION. If MIN-VERSION is not specified, 0.9.0 is
++dnl used since that's the first version where most current features of
++dnl pkg-config existed.
++AC_DEFUN([PKG_PROG_PKG_CONFIG],
++[m4_pattern_forbid([^_?PKG_[A-Z_]+$])
++m4_pattern_allow([^PKG_CONFIG(_(PATH|LIBDIR|SYSROOT_DIR|ALLOW_SYSTEM_(CFLAGS|LIBS)))?$])
++m4_pattern_allow([^PKG_CONFIG_(DISABLE_UNINSTALLED|TOP_BUILD_DIR|DEBUG_SPEW)$])
++AC_ARG_VAR([PKG_CONFIG], [path to pkg-config utility])
++AC_ARG_VAR([PKG_CONFIG_PATH], [directories to add to pkg-config's search path])
++AC_ARG_VAR([PKG_CONFIG_LIBDIR], [path overriding pkg-config's built-in search path])
++
++if test "x$ac_cv_env_PKG_CONFIG_set" != "xset"; then
++	AC_PATH_TOOL([PKG_CONFIG], [pkg-config])
++fi
++if test -n "$PKG_CONFIG"; then
++	_pkg_min_version=m4_default([$1], [0.9.0])
++	AC_MSG_CHECKING([pkg-config is at least version $_pkg_min_version])
++	if $PKG_CONFIG --atleast-pkgconfig-version $_pkg_min_version; then
++		AC_MSG_RESULT([yes])
++	else
++		AC_MSG_RESULT([no])
++		PKG_CONFIG=""
++	fi
++fi[]dnl
++])dnl PKG_PROG_PKG_CONFIG
++
++dnl PKG_CHECK_EXISTS(MODULES, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
++dnl -------------------------------------------------------------------
++dnl Since: 0.18
++dnl
++dnl Check to see whether a particular set of modules exists. Similar to
++dnl PKG_CHECK_MODULES(), but does not set variables or print errors.
++dnl
++dnl Please remember that m4 expands AC_REQUIRE([PKG_PROG_PKG_CONFIG])
++dnl only at the first occurence in configure.ac, so if the first place
++dnl it's called might be skipped (such as if it is within an "if", you
++dnl have to call PKG_CHECK_EXISTS manually
++AC_DEFUN([PKG_CHECK_EXISTS],
++[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl
++if test -n "$PKG_CONFIG" && \
++    AC_RUN_LOG([$PKG_CONFIG --exists --print-errors "$1"]); then
++  m4_default([$2], [:])
++m4_ifvaln([$3], [else
++  $3])dnl
++fi])
++
++dnl _PKG_CONFIG([VARIABLE], [COMMAND], [MODULES])
++dnl ---------------------------------------------
++dnl Internal wrapper calling pkg-config via PKG_CONFIG and setting
++dnl pkg_failed based on the result.
++m4_define([_PKG_CONFIG],
++[if test -n "$$1"; then
++    pkg_cv_[]$1="$$1"
++ elif test -n "$PKG_CONFIG"; then
++    PKG_CHECK_EXISTS([$3],
++                     [pkg_cv_[]$1=`$PKG_CONFIG --[]$2 "$3" 2>/dev/null`
++		      test "x$?" != "x0" && pkg_failed=yes ],
++		     [pkg_failed=yes])
++ else
++    pkg_failed=untried
++fi[]dnl
++])dnl _PKG_CONFIG
++
++dnl _PKG_SHORT_ERRORS_SUPPORTED
++dnl ---------------------------
++dnl Internal check to see if pkg-config supports short errors.
++AC_DEFUN([_PKG_SHORT_ERRORS_SUPPORTED],
++[AC_REQUIRE([PKG_PROG_PKG_CONFIG])
++if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then
++        _pkg_short_errors_supported=yes
++else
++        _pkg_short_errors_supported=no
++fi[]dnl
++])dnl _PKG_SHORT_ERRORS_SUPPORTED
++
++
++dnl PKG_CHECK_MODULES(VARIABLE-PREFIX, MODULES, [ACTION-IF-FOUND],
++dnl   [ACTION-IF-NOT-FOUND])
++dnl --------------------------------------------------------------
++dnl Since: 0.4.0
++dnl
++dnl Note that if there is a possibility the first call to
++dnl PKG_CHECK_MODULES might not happen, you should be sure to include an
++dnl explicit call to PKG_PROG_PKG_CONFIG in your configure.ac
++AC_DEFUN([PKG_CHECK_MODULES],
++[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl
++AC_ARG_VAR([$1][_CFLAGS], [C compiler flags for $1, overriding pkg-config])dnl
++AC_ARG_VAR([$1][_LIBS], [linker flags for $1, overriding pkg-config])dnl
++
++pkg_failed=no
++AC_MSG_CHECKING([for $1])
++
++_PKG_CONFIG([$1][_CFLAGS], [cflags], [$2])
++_PKG_CONFIG([$1][_LIBS], [libs], [$2])
++
++m4_define([_PKG_TEXT], [Alternatively, you may set the environment variables $1[]_CFLAGS
++and $1[]_LIBS to avoid the need to call pkg-config.
++See the pkg-config man page for more details.])
++
++if test $pkg_failed = yes; then
++   	AC_MSG_RESULT([no])
++        _PKG_SHORT_ERRORS_SUPPORTED
++        if test $_pkg_short_errors_supported = yes; then
++	        $1[]_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "$2" 2>&1`
++        else 
++	        $1[]_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "$2" 2>&1`
++        fi
++	# Put the nasty error message in config.log where it belongs
++	echo "$$1[]_PKG_ERRORS" >&AS_MESSAGE_LOG_FD
++
++	m4_default([$4], [AC_MSG_ERROR(
++[Package requirements ($2) were not met:
++
++$$1_PKG_ERRORS
++
++Consider adjusting the PKG_CONFIG_PATH environment variable if you
++installed software in a non-standard prefix.
++
++_PKG_TEXT])[]dnl
++        ])
++elif test $pkg_failed = untried; then
++     	AC_MSG_RESULT([no])
++	m4_default([$4], [AC_MSG_FAILURE(
++[The pkg-config script could not be found or is too old.  Make sure it
++is in your PATH or set the PKG_CONFIG environment variable to the full
++path to pkg-config.
++
++_PKG_TEXT
++
++To get pkg-config, see <http://pkg-config.freedesktop.org/>.])[]dnl
++        ])
++else
++	$1[]_CFLAGS=$pkg_cv_[]$1[]_CFLAGS
++	$1[]_LIBS=$pkg_cv_[]$1[]_LIBS
++        AC_MSG_RESULT([yes])
++	$3
++fi[]dnl
++])dnl PKG_CHECK_MODULES
++
++
++dnl PKG_CHECK_MODULES_STATIC(VARIABLE-PREFIX, MODULES, [ACTION-IF-FOUND],
++dnl   [ACTION-IF-NOT-FOUND])
++dnl ---------------------------------------------------------------------
++dnl Since: 0.29
++dnl
++dnl Checks for existence of MODULES and gathers its build flags with
++dnl static libraries enabled. Sets VARIABLE-PREFIX_CFLAGS from --cflags
++dnl and VARIABLE-PREFIX_LIBS from --libs.
++dnl
++dnl Note that if there is a possibility the first call to
++dnl PKG_CHECK_MODULES_STATIC might not happen, you should be sure to
++dnl include an explicit call to PKG_PROG_PKG_CONFIG in your
++dnl configure.ac.
++AC_DEFUN([PKG_CHECK_MODULES_STATIC],
++[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl
++_save_PKG_CONFIG=$PKG_CONFIG
++PKG_CONFIG="$PKG_CONFIG --static"
++PKG_CHECK_MODULES($@)
++PKG_CONFIG=$_save_PKG_CONFIG[]dnl
++])dnl PKG_CHECK_MODULES_STATIC
++
++
++dnl PKG_INSTALLDIR([DIRECTORY])
++dnl -------------------------
++dnl Since: 0.27
++dnl
++dnl Substitutes the variable pkgconfigdir as the location where a module
++dnl should install pkg-config .pc files. By default the directory is
++dnl $libdir/pkgconfig, but the default can be changed by passing
++dnl DIRECTORY. The user can override through the --with-pkgconfigdir
++dnl parameter.
++AC_DEFUN([PKG_INSTALLDIR],
++[m4_pushdef([pkg_default], [m4_default([$1], ['${libdir}/pkgconfig'])])
++m4_pushdef([pkg_description],
++    [pkg-config installation directory @<:@]pkg_default[@:>@])
++AC_ARG_WITH([pkgconfigdir],
++    [AS_HELP_STRING([--with-pkgconfigdir], pkg_description)],,
++    [with_pkgconfigdir=]pkg_default)
++AC_SUBST([pkgconfigdir], [$with_pkgconfigdir])
++m4_popdef([pkg_default])
++m4_popdef([pkg_description])
++])dnl PKG_INSTALLDIR
++
++
++dnl PKG_NOARCH_INSTALLDIR([DIRECTORY])
++dnl --------------------------------
++dnl Since: 0.27
++dnl
++dnl Substitutes the variable noarch_pkgconfigdir as the location where a
++dnl module should install arch-independent pkg-config .pc files. By
++dnl default the directory is $datadir/pkgconfig, but the default can be
++dnl changed by passing DIRECTORY. The user can override through the
++dnl --with-noarch-pkgconfigdir parameter.
++AC_DEFUN([PKG_NOARCH_INSTALLDIR],
++[m4_pushdef([pkg_default], [m4_default([$1], ['${datadir}/pkgconfig'])])
++m4_pushdef([pkg_description],
++    [pkg-config arch-independent installation directory @<:@]pkg_default[@:>@])
++AC_ARG_WITH([noarch-pkgconfigdir],
++    [AS_HELP_STRING([--with-noarch-pkgconfigdir], pkg_description)],,
++    [with_noarch_pkgconfigdir=]pkg_default)
++AC_SUBST([noarch_pkgconfigdir], [$with_noarch_pkgconfigdir])
++m4_popdef([pkg_default])
++m4_popdef([pkg_description])
++])dnl PKG_NOARCH_INSTALLDIR
++
++
++dnl PKG_CHECK_VAR(VARIABLE, MODULE, CONFIG-VARIABLE,
++dnl [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
++dnl -------------------------------------------
++dnl Since: 0.28
++dnl
++dnl Retrieves the value of the pkg-config variable for the given module.
++AC_DEFUN([PKG_CHECK_VAR],
++[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl
++AC_ARG_VAR([$1], [value of $3 for $2, overriding pkg-config])dnl
++
++_PKG_CONFIG([$1], [variable="][$3]["], [$2])
++AS_VAR_COPY([$1], [pkg_cv_][$1])
++
++AS_VAR_IF([$1], [""], [$5], [$4])dnl
++])dnl PKG_CHECK_VAR
+--- a/src/configure.ac
++++ b/src/configure.ac
+@@ -29,6 +29,7 @@
+ m4_include([ltversion.m4])
+ m4_include([lt~obsolete.m4])
+ m4_include([config/isl.m4])
++m4_include([config/pkg.m4])
+ 
+ AC_INIT(move-if-change)
+ AC_PREREQ(2.64)
+@@ -2062,14 +2063,20 @@
+ 		[enable use of Boehm's garbage collector with the
+ 		 GNU Objective-C runtime])],
+ [case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in
+-  *,objc,*:*:yes:*target-boehm-gc*)
++  *,objc,*:*:yes:*target-boehm-gc*|*,objc,*:*:auto:*target-boehm-gc*|*,objc,*:*:system:*target-boehm-gc*)
+     AC_MSG_ERROR([Boehm's garbage collector was requested yet not supported in this configuration])
++esac
++case ,${enable_languages},:${enable_objc_gc} in
++  *,objc,*:auto|*,objc,*:system)
++    PKG_CHECK_EXISTS(bdw-gc,
++      AC_MSG_RESULT([found]),
++      AC_MSG_ERROR([bdw-gc pkg-config module not found]))
+     ;;
+ esac])
+ 
+ # Make sure we only build Boehm's garbage collector if required.
+ case ,${enable_languages},:${enable_objc_gc} in
+-  *,objc,*:yes)
++  *,objc,*:yes|*,objc,*:auto)
+     # Keep target-boehm-gc if requested for Objective-C.
+     ;;
+   *)
+--- a/src/libobjc/Makefile.in
++++ b/src/libobjc/Makefile.in
+@@ -95,7 +95,7 @@
+ OBJC_GCFLAGS=@OBJC_GCFLAGS@
+ OBJC_BOEHM_GC=@OBJC_BOEHM_GC@
+ OBJC_BOEHM_GC_INCLUDES=@OBJC_BOEHM_GC_INCLUDES@
+-OBJC_BOEHM_GC_LIBS=../boehm-gc/libgcjgc_convenience.la $(thread_libs_and_flags)
++OBJC_BOEHM_GC_LIBS=@OBJC_BOEHM_GC_LIBS@
+ 
+ INCLUDES = -I$(srcdir)/$(MULTISRCTOP)../gcc \
+   -I$(srcdir)/$(MULTISRCTOP)../gcc/config \
+--- a/src/libobjc/configure.ac
++++ b/src/libobjc/configure.ac
+@@ -18,6 +18,8 @@
+ #along with GCC; see the file COPYING3.  If not see
+ #<http://www.gnu.org/licenses/>.
+ 
++m4_include([../config/pkg.m4])
++
+ AC_PREREQ(2.64)
+ AC_INIT(package-unused, version-unused,, libobjc)
+ AC_CONFIG_SRCDIR([objc/objc.h])
+@@ -57,26 +59,6 @@
+ [version_specific_libs=no])
+ AC_MSG_RESULT($version_specific_libs)
+ 
+-AC_ARG_ENABLE(objc-gc,
+-[  --enable-objc-gc       enable the use of Boehm's garbage collector with
+-                          the GNU Objective-C runtime.],
+-[case $enable_objc_gc in
+-  no)
+-    OBJC_GCFLAGS=''
+-    OBJC_BOEHM_GC=''
+-    OBJC_BOEHM_GC_INCLUDES=''
+-    ;;
+-  *)
+-    OBJC_GCFLAGS='-DOBJC_WITH_GC=1'
+-    OBJC_BOEHM_GC='libobjc_gc$(libsuffix).la'
+-    OBJC_BOEHM_GC_INCLUDES='-I$(top_srcdir)/../boehm-gc/include -I../boehm-gc/include'
+-    ;;
+-esac],
+-[OBJC_GCFLAGS=''; OBJC_BOEHM_GC=''; OBJC_BOEHM_GC_INCLUDES=''])
+-AC_SUBST(OBJC_GCFLAGS)
+-AC_SUBST(OBJC_BOEHM_GC)
+-AC_SUBST(OBJC_BOEHM_GC_INCLUDES)
+-
+ # -----------
+ # Directories
+ # -----------
+@@ -214,6 +196,86 @@
+ 
+ gt_BITFIELD_TYPE_MATTERS
+ 
++# -----------
++# boehm-gc
++# -----------
++
++AC_ARG_ENABLE(objc-gc,
++[  --enable-objc-gc       enable the use of Boehm's garbage collector with
++                          the GNU Objective-C runtime. Valid values are
++                          yes, no, system or auto],
++[case $enable_objc_gc in
++  no)
++    use_boehm_gc=no
++    ;;
++  auto|system)
++    PKG_CHECK_MODULES(BDW_GC, bdw-gc >= 7)
++    AC_MSG_CHECKING([for system boehm-gc])
++    save_CFLAGS=$CFLAGS
++    save_LIBS=$LIBS
++    CFLAGS="$CFLAGS $BDW_GC_CFLAGS"
++    LIBS="$LIBS $BDW_GC_LIBS"
++    dnl the link test is not good enough for ARM32 multilib detection,
++    dnl first check to link, then to run
++    AC_LINK_IFELSE(
++      [AC_LANG_PROGRAM([#include <gc/gc.h>],[GC_init()])],
++      [
++        AC_RUN_IFELSE([AC_LANG_SOURCE([[
++          #include <gc/gc.h>
++          int main() {
++            GC_init();
++            return 0;
++          }
++          ]])],
++          [system_boehm_gc_found=yes],
++          [system_boehm_gc_found=no],
++          dnl assume no system boehm-gc for cross builds ...
++          [system_boehm_gc_found=no]
++        )
++      ],
++      [system_boehm_gc_found=no])
++    CFLAGS=$save_CFLAGS
++    LIBS=$save_LIBS
++    if test x$enable_objc_gc = xsystem && test x$system_boehm_gc_found = xno; then
++      AC_MSG_ERROR([system boehm-gc required but not found])
++    elif test x$system_boehm_gc_found = xno; then
++      use_boehm_gc=internal
++      AC_MSG_RESULT([not found, falling back to internal boehm-gc])
++    else
++      use_boehm_gc=system
++      AC_MSG_RESULT([found])
++    fi
++    ;;
++  *)
++    use_boehm_gc=internal
++    ;;
++esac],
++[use_boehm_gc=no])
++
++case "$use_boehm_gc" in
++  internal)
++    OBJC_GCFLAGS='-DOBJC_WITH_GC=1'
++    OBJC_BOEHM_GC='libobjc_gc$(libsuffix).la'
++    OBJC_BOEHM_GC_INCLUDES='-I$(top_srcdir)/../boehm-gc/include -I../boehm-gc/include'
++    OBJC_BOEHM_GC_LIBS=
++  system)
++    OBJC_GCFLAGS='-DOBJC_WITH_GC=1 -DSYSTEM_BOEHM_GC=1'
++    OBJC_BOEHM_GC='libobjc_gc$(libsuffix).la'
++    OBJC_BOEHM_GC_INCLUDES=$BDW_GC_CFLAGS
++    OBJC_BOEHM_GC_LIBS=$BDW_GC_LIBS
++    ;;
++  *)
++    OBJC_GCFLAGS=''
++    OBJC_BOEHM_GC=''
++    OBJC_BOEHM_GC_INCLUDES=''
++    OBJC_BOEHM_GC_LIBS=''
++    ;;
++esac
++AC_SUBST(OBJC_GCFLAGS)
++AC_SUBST(OBJC_BOEHM_GC)
++AC_SUBST(OBJC_BOEHM_GC_INCLUDES)
++AC_SUBST(OBJC_BOEHM_GC_LIBS)
++
+ # ------
+ # Output
+ # ------
+--- a/src/libobjc/gc.c
++++ b/src/libobjc/gc.c
+@@ -36,7 +36,11 @@
+ #include "objc/runtime.h"
+ #include "objc-private/module-abi-8.h"
+ 
++#if SYSTEM_BOEHM_GC
++#include <gc/gc.h>
++#else
+ #include <gc.h>
++#endif
+ #include <limits.h>
+ 
+ /* gc_typed.h uses the following but doesn't declare them */
+@@ -44,7 +48,11 @@
+ typedef GC_signed_word signed_word;
+ #define BITS_PER_WORD (CHAR_BIT * sizeof (word))
+ 
++#if SYSTEM_BOEHM_GC
++#include <gc/gc_typed.h>
++#else
+ #include <gc_typed.h>
++#endif
+ 
+ /* The following functions set up in `mask` the corresponding pointers.
+    The offset is incremented with the size of the type.  */
+--- a/src/libobjc/memory.c
++++ b/src/libobjc/memory.c
+@@ -41,7 +41,11 @@
+ #include "objc/runtime.h"
+ 
+ #if OBJC_WITH_GC
++#if SYSTEM_BOEHM_GC
++#include <gc/gc.h>
++#else
+ #include <gc.h>
++#endif
+ 
+ void *
+ objc_malloc (size_t size)
+--- a/src/libobjc/objects.c
++++ b/src/libobjc/objects.c
+@@ -31,8 +31,13 @@
+ #include <string.h>                     /* For memcpy()  */
+ 
+ #if OBJC_WITH_GC
+-# include <gc.h>
+-# include <gc_typed.h>
++# if SYSTEM_BOEHM_GC
++#  include <gc/gc.h>
++#  include <gc/gc_typed.h>
++# else
++#  include <gc.h>
++#  include <gc_typed.h>
++# endif
+ #endif
+ 
+ /* FIXME: The semantics of extraBytes are not really clear.  */
diff --git a/debian/rules.patch b/debian/rules.patch
index 1c6a46c..d0a4c2e 100644
--- a/debian/rules.patch
+++ b/debian/rules.patch
@@ -101,6 +101,7 @@ debian_patches += \
 	libgo-rawClone-no-pt_regs \
 	libgo-elf-relocations-sparc64 \
 	pr77822 \
+	libobjc-system-gc \
 
 
 # this is still needed on powerpc, e.g. firefox and insighttoolkit4 will ftbfs.

-- 
Alioth's /usr/local/bin/git-commit-notice on /srv/git.debian.org/git/reproducible/gcc-6.git



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