1 To: vim_dev@googlegroups.com
4 From: Bram Moolenaar <Bram@moolenaar.net>
6 Content-Type: text/plain; charset=UTF-8
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11 Problem: Gcc complains about redefining _FORTIFY_SOURCE.
12 Solution: Undefine it before redefining it.
13 Files: src/Makefile, src/configure.in, src/auto/configure
16 *** ../vim-7.3.367/src/Makefile 2011-10-20 16:35:25.000000000 +0200
17 --- src/Makefile 2011-12-08 15:16:13.000000000 +0100
20 #CFLAGS = -g -O2 '-DSTARTUPTIME="vimstartup"' -fno-strength-reduce -Wall -Wmissing-prototypes
22 # Use this with GCC to check for mistakes, unused arguments, etc.
23 ! #CFLAGS = -g -Wall -Wextra -Wmissing-prototypes -Wunreachable-code -D_FORTIFY_SOURCE=1
24 ! #CFLAGS = -g -O2 -Wall -Wextra -Wmissing-prototypes -D_FORTIFY_SOURCE=1 -DU_DEBUG
25 #PYTHON_CFLAGS_EXTRA = -Wno-missing-field-initializers
26 #MZSCHEME_CFLAGS_EXTRA = -Wno-unreachable-code -Wno-unused-parameter
29 #CFLAGS = -g -O2 '-DSTARTUPTIME="vimstartup"' -fno-strength-reduce -Wall -Wmissing-prototypes
31 # Use this with GCC to check for mistakes, unused arguments, etc.
32 ! #CFLAGS = -g -Wall -Wextra -Wmissing-prototypes -Wunreachable-code -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=1
33 ! #CFLAGS = -g -O2 -Wall -Wextra -Wmissing-prototypes -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=1 -DU_DEBUG
34 #PYTHON_CFLAGS_EXTRA = -Wno-missing-field-initializers
35 #MZSCHEME_CFLAGS_EXTRA = -Wno-unreachable-code -Wno-unused-parameter
37 *** ../vim-7.3.367/src/configure.in 2011-09-02 12:27:20.000000000 +0200
38 --- src/configure.in 2011-12-01 20:23:22.000000000 +0100
41 dnl -D_FORTIFY_SOURCE=2 crashes Vim on strcpy(buf, "000") when buf is
42 dnl declared as char x[1] but actually longer. Introduced in gcc 4.0.
43 dnl Also remove duplicate _FORTIFY_SOURCE arguments.
44 AC_MSG_CHECKING(whether we need -D_FORTIFY_SOURCE=1)
45 if test "$gccmajor" -gt "3"; then
46 ! CFLAGS=`echo "$CFLAGS" | sed -e 's/-Wp,-D_FORTIFY_SOURCE=.//g' -e 's/-D_FORTIFY_SOURCE=.//g' -e 's/$/ -D_FORTIFY_SOURCE=1/'`
51 dnl -D_FORTIFY_SOURCE=2 crashes Vim on strcpy(buf, "000") when buf is
52 dnl declared as char x[1] but actually longer. Introduced in gcc 4.0.
53 dnl Also remove duplicate _FORTIFY_SOURCE arguments.
54 + dnl And undefine it first to avoid a warning.
55 AC_MSG_CHECKING(whether we need -D_FORTIFY_SOURCE=1)
56 if test "$gccmajor" -gt "3"; then
57 ! CFLAGS=`echo "$CFLAGS" | sed -e 's/-Wp,-D_FORTIFY_SOURCE=.//g' -e 's/-D_FORTIFY_SOURCE=.//g' -e 's/$/ -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=1/'`
61 *** ../vim-7.3.367/src/auto/configure 2011-09-02 12:27:20.000000000 +0200
62 --- src/auto/configure 2011-12-01 20:24:02.000000000 +0100
65 { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
68 ! { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we need -D_FORTIFY_SOURCE=1" >&5
69 $as_echo_n "checking whether we need -D_FORTIFY_SOURCE=1... " >&6; }
70 if test "$gccmajor" -gt "3"; then
71 ! CFLAGS=`echo "$CFLAGS" | sed -e 's/-Wp,-D_FORTIFY_SOURCE=.//g' -e 's/-D_FORTIFY_SOURCE=.//g' -e 's/$/ -D_FORTIFY_SOURCE=1/'`
72 { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
76 { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
79 ! { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we need -D_FORTIFY_SOURCE=1" >&5
80 $as_echo_n "checking whether we need -D_FORTIFY_SOURCE=1... " >&6; }
81 if test "$gccmajor" -gt "3"; then
82 ! CFLAGS=`echo "$CFLAGS" | sed -e 's/-Wp,-D_FORTIFY_SOURCE=.//g' -e 's/-D_FORTIFY_SOURCE=.//g' -e 's/$/ -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=1/'`
83 { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
86 *** ../vim-7.3.367/src/version.c 2011-12-08 15:14:04.000000000 +0100
87 --- src/version.c 2011-12-08 15:15:13.000000000 +0100
91 { /* Add new patch number below this line */
97 hundred-and-one symptoms of being an internet addict:
98 248. You sign your letters with your e-mail address instead of your name.
100 /// Bram Moolenaar -- Bram@Moolenaar.net -- http://www.Moolenaar.net \\\
101 /// sponsor Vim, vote for features -- http://www.Vim.org/sponsor/ \\\
102 \\\ an exciting new programming language -- http://www.Zimbu.org ///
103 \\\ help me help AIDS victims -- http://ICCF-Holland.org ///