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ipfire-3.x/vim/patches/vim-7.3.050.patch0

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To: vim_dev@googlegroups.com
Subject: Patch 7.3.050
Fcc: outbox
From: Bram Moolenaar <Bram@moolenaar.net>
Mime-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
------------
Patch 7.3.050
Problem: The link script is clumsy.
Solution: Use the --as-needed linker option if available. (Kirill A.
Shutemov)
Files: src/Makefile, src/auto/configure, src/config.mk.in,
src/configure.in, src/link.sh
*** ../vim-7.3.049/src/Makefile 2010-10-27 16:49:41.000000000 +0200
--- src/Makefile 2010-11-03 22:26:45.000000000 +0100
***************
*** 1700,1706 ****
$(CCC) version.c -o objects/version.o
@LINK="$(PURIFY) $(SHRPENV) $(CClink) $(ALL_LIB_DIRS) $(LDFLAGS) \
-o $(VIMTARGET) $(OBJ) objects/version.o $(ALL_LIBS)" \
! MAKE="$(MAKE)" sh $(srcdir)/link.sh
xxd/xxd$(EXEEXT): xxd/xxd.c
cd xxd; CC="$(CC)" CFLAGS="$(CPPFLAGS) $(CFLAGS)" \
--- 1700,1707 ----
$(CCC) version.c -o objects/version.o
@LINK="$(PURIFY) $(SHRPENV) $(CClink) $(ALL_LIB_DIRS) $(LDFLAGS) \
-o $(VIMTARGET) $(OBJ) objects/version.o $(ALL_LIBS)" \
! MAKE="$(MAKE)" LINK_AS_NEEDED=$(LINK_AS_NEEDED) \
! sh $(srcdir)/link.sh
xxd/xxd$(EXEEXT): xxd/xxd.c
cd xxd; CC="$(CC)" CFLAGS="$(CPPFLAGS) $(CFLAGS)" \
*** ../vim-7.3.049/src/auto/configure 2010-11-03 21:59:23.000000000 +0100
--- src/auto/configure 2010-11-03 22:28:03.000000000 +0100
***************
*** 593,598 ****
--- 593,599 ----
ac_subst_vars='LTLIBOBJS
LIBOBJS
+ LINK_AS_NEEDED
DEPEND_CFLAGS_FILTER
MAKEMO
MSGFMT
***************
*** 12404,12409 ****
--- 12405,12427 ----
fi
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking linker --as-needed support" >&5
+ $as_echo_n "checking linker --as-needed support... " >&6; }
+ LINK_AS_NEEDED=
+ # Check if linker supports --as-needed and --no-as-needed options
+ if $CC -Wl,--help 2>/dev/null | grep as-needed > /dev/null; then
+ LDFLAGS="$LDFLAGS -Wl,--as-needed"
+ LINK_AS_NEEDED=yes
+ fi
+ if test "$LINK_AS_NEEDED" = yes; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+ $as_echo "yes" >&6; }
+ else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+ $as_echo "no" >&6; }
+ fi
+
+
ac_config_files="$ac_config_files auto/config.mk:config.mk.in"
cat >confcache <<\_ACEOF
*** ../vim-7.3.049/src/config.mk.in 2010-08-15 21:57:28.000000000 +0200
--- src/config.mk.in 2010-11-03 22:26:24.000000000 +0100
***************
*** 30,35 ****
--- 30,36 ----
CPP = @CPP@
CPP_MM = @CPP_MM@
DEPEND_CFLAGS_FILTER = @DEPEND_CFLAGS_FILTER@
+ LINK_AS_NEEDED = @LINK_AS_NEEDED@
X_CFLAGS = @X_CFLAGS@
X_LIBS_DIR = @X_LIBS@
X_PRE_LIBS = @X_PRE_LIBS@
*** ../vim-7.3.049/src/configure.in 2010-11-03 21:59:23.000000000 +0100
--- src/configure.in 2010-11-03 22:26:16.000000000 +0100
***************
*** 3527,3532 ****
--- 3527,3549 ----
fi
AC_SUBST(DEPEND_CFLAGS_FILTER)
+ dnl link.sh tries to avoid overlinking in a hackish way.
+ dnl At least GNU ld supports --as-needed which provides the same functionality
+ dnl at linker level. Let's use it.
+ AC_MSG_CHECKING(linker --as-needed support)
+ LINK_AS_NEEDED=
+ # Check if linker supports --as-needed and --no-as-needed options
+ if $CC -Wl,--help 2>/dev/null | grep as-needed > /dev/null; then
+ LDFLAGS="$LDFLAGS -Wl,--as-needed"
+ LINK_AS_NEEDED=yes
+ fi
+ if test "$LINK_AS_NEEDED" = yes; then
+ AC_MSG_RESULT(yes)
+ else
+ AC_MSG_RESULT(no)
+ fi
+ AC_SUBST(LINK_AS_NEEDED)
+
dnl write output files
AC_OUTPUT(auto/config.mk:config.mk.in)
*** ../vim-7.3.049/src/link.sh 2010-08-15 21:57:25.000000000 +0200
--- src/link.sh 2010-11-03 22:26:08.000000000 +0100
***************
*** 5,11 ****
# libraries when they exist, but this doesn't mean they are needed for Vim.
#
# Author: Bram Moolenaar
! # Last change: 2006 Sep 26
# License: Public domain
#
# Warning: This fails miserably if the linker doesn't return an error code!
--- 5,11 ----
# libraries when they exist, but this doesn't mean they are needed for Vim.
#
# Author: Bram Moolenaar
! # Last change: 2010 Nov 03
# License: Public domain
#
# Warning: This fails miserably if the linker doesn't return an error code!
***************
*** 16,26 ****
echo "$LINK " >link.cmd
exit_value=0
#
# If auto/link.sed already exists, use it. We assume a previous run of
# link.sh has found the correct set of libraries.
#
- if test -f auto/link.sed; then
echo "link.sh: The file 'auto/link.sed' exists, which is going to be used now."
echo "link.sh: If linking fails, try deleting the auto/link.sed file."
echo "link.sh: If this fails too, try creating an empty auto/link.sed file."
--- 16,38 ----
echo "$LINK " >link.cmd
exit_value=0
+ if test "$LINK_AS_NEEDED" = yes; then
+ echo "link.sh: \$LINK_AS_NEEDED set to 'yes': invoking linker directly."
+ cat link.cmd
+ if sh link.cmd; then
+ exit_value=0
+ echo "link.sh: Linked fine"
+ else
+ exit_value=$?
+ echo "link.sh: Linking failed"
+ fi
+ else
+ if test -f auto/link.sed; then
+
#
# If auto/link.sed already exists, use it. We assume a previous run of
# link.sh has found the correct set of libraries.
#
echo "link.sh: The file 'auto/link.sed' exists, which is going to be used now."
echo "link.sh: If linking fails, try deleting the auto/link.sed file."
echo "link.sh: If this fails too, try creating an empty auto/link.sed file."
***************
*** 124,129 ****
--- 136,143 ----
fi
fi
+ fi
+
#
# cleanup
#
*** ../vim-7.3.049/src/version.c 2010-11-03 21:59:23.000000000 +0100
--- src/version.c 2010-11-03 22:30:17.000000000 +0100
***************
*** 716,717 ****
--- 716,719 ----
{ /* Add new patch number below this line */
+ /**/
+ 50,
/**/
--
Save the plankton - eat a whale.
/// Bram Moolenaar -- Bram@Moolenaar.net -- http://www.Moolenaar.net \\\
/// sponsor Vim, vote for features -- http://www.Vim.org/sponsor/ \\\
\\\ download, build and distribute -- http://www.A-A-P.org ///
\\\ help me help AIDS victims -- http://ICCF-Holland.org ///
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