OSDN Git Service

PR 43839
[pf3gnuchains/gcc-fork.git] / fixincludes / configure.ac
1 AC_PREREQ(2.64)
2
3 AC_INIT(fixincludes, [ ])
4 AC_CONFIG_SRCDIR(inclhack.def)
5 AC_CONFIG_AUX_DIR(..)
6 m4_sinclude(../libtool.m4)
7 AC_CANONICAL_SYSTEM
8 AC_PROG_CC
9 AC_PROG_SED
10
11 # Figure out what compiler warnings we can enable.
12 # See config/warnings.m4 for details.
13
14 ACX_PROG_CC_WARNING_OPTS([-W -Wall -Wwrite-strings -Wstrict-prototypes \
15                           -Wmissing-prototypes -Wold-style-definition \
16                           -Wmissing-format-attribute -Wno-overlength-strings])
17 ACX_PROG_CC_WARNING_ALMOST_PEDANTIC([-Wno-long-long])
18
19 # Only enable with --enable-werror-always until existing warnings are
20 # corrected.
21 ACX_PROG_CC_WARNINGS_ARE_ERRORS([manual])
22
23 # Determine the noncanonical target name, for directory use.
24 ACX_NONCANONICAL_TARGET
25
26 # Specify the local prefix
27 local_prefix=
28 AC_ARG_WITH(local-prefix,
29 [  --with-local-prefix=DIR specifies directory to put local include],
30 [case "${withval}" in
31 yes)    AC_MSG_ERROR(bad value ${withval} given for local include directory prefix) ;;
32 no)     ;;
33 *)      local_prefix=$with_local_prefix ;;
34 esac])
35
36 # Default local prefix if it is empty
37 if test x$local_prefix = x; then
38         local_prefix=/usr/local
39 fi
40
41 # Choose one or two-process fix methodology.  Systems that cannot handle
42 # bi-directional pipes must use the two process method.
43 #
44 AC_ARG_ENABLE([twoprocess],
45 [  --enable-twoprocess       Use a separate process to apply the fixes],
46 [if test "x$enable_twoprocess" = xyes; then
47         TARGET=twoprocess
48 else
49         TARGET=oneprocess
50 fi],
51 [case $host in
52         i?86-*-msdosdjgpp* | \
53         i?86-*-mingw32* | \
54         x86_64-*-mingw32* | \
55         *-*-beos* )
56                 TARGET=twoprocess
57                 ;;
58
59         * )
60                 TARGET=oneprocess
61                 ;;
62 esac])
63 AC_SUBST(TARGET)
64
65 if test $TARGET = twoprocess; then
66         AC_DEFINE(SEPARATE_FIX_PROC, 1,
67                   [Define if testing and fixing are done by separate process])
68 fi
69
70 case $host in
71         vax-dec-bsd* )
72                 AC_DEFINE(exit, xexit, [Define to xexit if the host system does not support atexit])
73                 AC_DEFINE(atexit, xatexit, [Define to xatexit if the host system does not support atexit])
74                 ;;
75 esac
76
77 AC_DEFINE_UNQUOTED([EXE_EXT], "$ac_exeext",
78   [Defined to the executable file extension on the host system])
79
80 # Checks for header files.
81 AC_HEADER_STDC
82 AC_CHECK_HEADERS([stddef.h stdlib.h strings.h unistd.h fcntl.h sys/file.h \
83         sys/stat.h])
84 define(fixincludes_UNLOCKED_FUNCS, clearerr_unlocked feof_unlocked dnl
85   ferror_unlocked fflush_unlocked fgetc_unlocked fgets_unlocked dnl
86   fileno_unlocked fprintf_unlocked fputc_unlocked fputs_unlocked dnl
87   fread_unlocked fwrite_unlocked getchar_unlocked getc_unlocked dnl
88   putchar_unlocked putc_unlocked)
89 AC_CHECK_FUNCS(fixincludes_UNLOCKED_FUNCS)
90 AC_CHECK_DECLS(m4_split(m4_normalize(abort asprintf basename errno vasprintf fixincludes_UNLOCKED_FUNCS)))
91
92 # Checks for typedefs, structures, and compiler characteristics.
93 AC_C_CONST
94
95 # Checks for library functions.
96 gcc_AC_FUNC_MMAP_BLACKLIST
97
98 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
99 AC_ARG_ENABLE(maintainer-mode,
100 [  --enable-maintainer-mode enable make rules and dependencies not useful
101                           (and sometimes confusing) to the casual installer],
102       USE_MAINTAINER_MODE=$enableval,
103       USE_MAINTAINER_MODE=no)
104 AC_MSG_RESULT($USE_MAINTAINER_MODE)
105 if test "$USE_MAINTAINER_MODE" = yes; then
106   MAINT=
107 else
108   MAINT='#'
109 fi      
110 AC_SUBST(MAINT)
111 AC_DEFINE_UNQUOTED([SED_PROGRAM], "${SED}",
112    [Defined to the best working sed program on the host system])
113
114 AC_CONFIG_HEADERS(config.h, [echo timestamp > stamp-h])
115 AC_CONFIG_FILES(Makefile mkheaders.almost:mkheaders.in)
116 AC_OUTPUT