OSDN Git Service

6b03130b2d09f2fc15488fc6620df74e5e32dffa
[pf3gnuchains/gcc-fork.git] / fixincludes / configure.ac
1 AC_PREREQ(2.59)
2
3 AC_INIT(fixincludes, [ ])
4 AC_CONFIG_SRCDIR(inclhack.def)
5 AC_CONFIG_AUX_DIR(..)
6 AC_CANONICAL_SYSTEM
7 AC_PROG_CC
8
9 # Figure out what compiler warnings we can enable.
10 # See config/warnings.m4 for details.
11
12 ACX_PROG_CC_WARNING_OPTS([-W -Wall -Wwrite-strings -Wstrict-prototypes \
13                           -Wmissing-prototypes -Wold-style-definition \
14                           -Wmissing-format-attribute -Wno-overlength-strings])
15 ACX_PROG_CC_WARNING_ALMOST_PEDANTIC([-Wno-long-long])
16
17 # Only enable with --enable-werror-always until existing warnings are
18 # corrected.
19 ACX_PROG_CC_WARNINGS_ARE_ERRORS([manual])
20
21 # Determine the noncanonical target name, for directory use.
22 ACX_NONCANONICAL_TARGET
23
24 # Specify the local prefix
25 local_prefix=
26 AC_ARG_WITH(local-prefix,
27 [  --with-local-prefix=DIR specifies directory to put local include],
28 [case "${withval}" in
29 yes)    AC_MSG_ERROR(bad value ${withval} given for local include directory prefix) ;;
30 no)     ;;
31 *)      local_prefix=$with_local_prefix ;;
32 esac])
33
34 # Default local prefix if it is empty
35 if test x$local_prefix = x; then
36         local_prefix=/usr/local
37 fi
38
39 # Choose one or two-process fix methodology.  Systems that cannot handle
40 # bi-directional pipes must use the two process method.
41 #
42 AC_ARG_ENABLE([twoprocess],
43 [  --enable-twoprocess       Use a separate process to apply the fixes],
44 [if test "x$enable_twoprocess" = xyes; then
45         TARGET=twoprocess
46 else
47         TARGET=oneprocess
48 fi],
49 [case $host in
50         i?86-*-msdosdjgpp* | \
51         i?86-*-mingw32* | \
52         x86_64-*-mingw32* | \
53         *-*-beos* )
54                 TARGET=twoprocess
55                 ;;
56
57         * )
58                 TARGET=oneprocess
59                 ;;
60 esac])
61 AC_SUBST(TARGET)
62
63 if test $TARGET = twoprocess; then
64         AC_DEFINE(SEPARATE_FIX_PROC, 1,
65                   [Define if testing and fixing are done by separate process])
66 fi
67
68 case $host in
69         vax-dec-bsd* )
70                 AC_DEFINE(exit, xexit, [Define to xexit if the host system does not support atexit])
71                 AC_DEFINE(atexit, xatexit, [Define to xatexit if the host system does not support atexit])
72                 ;;
73 esac
74
75 AC_DEFINE_UNQUOTED([EXE_EXT], "$ac_exeext",
76   [Defined to the executable file extension on the host system])
77
78 # Checks for header files.
79 AC_HEADER_STDC
80 AC_CHECK_HEADERS([stddef.h stdlib.h strings.h unistd.h fcntl.h sys/file.h \
81         sys/stat.h])
82 define(fixincludes_UNLOCKED_FUNCS, clearerr_unlocked feof_unlocked dnl
83   ferror_unlocked fflush_unlocked fgetc_unlocked fgets_unlocked dnl
84   fileno_unlocked fprintf_unlocked fputc_unlocked fputs_unlocked dnl
85   fread_unlocked fwrite_unlocked getchar_unlocked getc_unlocked dnl
86   putchar_unlocked putc_unlocked)
87 AC_CHECK_FUNCS(fixincludes_UNLOCKED_FUNCS)
88 AC_CHECK_DECLS(m4_split(m4_normalize(abort asprintf basename errno vasprintf fixincludes_UNLOCKED_FUNCS)))
89
90 # Checks for typedefs, structures, and compiler characteristics.
91 AC_C_CONST
92
93 # Checks for library functions.
94 gcc_AC_FUNC_MMAP_BLACKLIST
95
96 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
97 AC_ARG_ENABLE(maintainer-mode,
98 [  --enable-maintainer-mode enable make rules and dependencies not useful
99                           (and sometimes confusing) to the casual installer],
100       USE_MAINTAINER_MODE=$enableval,
101       USE_MAINTAINER_MODE=no)
102 AC_MSG_RESULT($USE_MAINTAINER_MODE)
103 if test "$USE_MAINTAINER_MODE" = yes; then
104   MAINT=
105 else
106   MAINT='#'
107 fi      
108 AC_SUBST(MAINT)
109
110 AC_CONFIG_HEADERS(config.h, [echo timestamp > stamp-h])
111 AC_CONFIG_FILES(Makefile mkheaders.almost:mkheaders.in)
112 AC_OUTPUT