1
2AC_INIT(fixincludes, [ ])
3AC_CONFIG_SRCDIR(inclhack.def)
4AC_CONFIG_AUX_DIR(..)
5m4_sinclude(../libtool.m4)
6AC_CANONICAL_SYSTEM
7AC_PROG_CC
8AC_USE_SYSTEM_EXTENSIONS
9AC_PROG_SED
10
11# Figure out what compiler warnings we can enable.
12# See config/warnings.m4 for details.
13
14ACX_PROG_CC_WARNING_OPTS([-W -Wall -Wwrite-strings -Wstrict-prototypes \
15			  -Wmissing-prototypes -Wold-style-definition \
16			  -Wmissing-format-attribute -Wno-overlength-strings])
17ACX_PROG_CC_WARNING_ALMOST_PEDANTIC([-Wno-long-long])
18
19# Only enable with --enable-werror-always until existing warnings are
20# corrected.
21ACX_PROG_CC_WARNINGS_ARE_ERRORS([manual])
22
23# Determine the noncanonical target name, for directory use.
24ACX_NONCANONICAL_TARGET
25
26# Specify the local prefix
27local_prefix=
28AC_ARG_WITH(local-prefix,
29[  --with-local-prefix=DIR specifies directory to put local include],
30[case "${withval}" in
31yes)	AC_MSG_ERROR(bad value ${withval} given for local include directory prefix) ;;
32no)	;;
33*)	local_prefix=$with_local_prefix ;;
34esac])
35
36# Default local prefix if it is empty
37if test x$local_prefix = x; then
38	local_prefix=/usr/local
39fi
40
41# Choose one or two-process fix methodology.  Systems that cannot handle
42# bi-directional pipes must use the two process method.
43#
44AC_ARG_ENABLE([twoprocess],
45[  --enable-twoprocess       Use a separate process to apply the fixes],
46[if test "x$enable_twoprocess" = xyes; then
47	TARGET=twoprocess
48else
49	TARGET=oneprocess
50fi],
51[case $host in
52	i?86-*-msdosdjgpp* | \
53	i?86-*-mingw32* | \
54	x86_64-*-mingw32* | \
55	*-*-beos* | \
56        *-*-*vms*)
57		TARGET=twoprocess
58		;;
59
60	* )
61		TARGET=oneprocess
62		;;
63esac])
64AC_SUBST(TARGET)
65
66if test $TARGET = twoprocess; then
67	AC_DEFINE(SEPARATE_FIX_PROC, 1,
68		  [Define if testing and fixing are done by separate process])
69fi
70
71case $host in
72	vax-dec-bsd* )
73		AC_DEFINE(exit, xexit, [Define to xexit if the host system does not support atexit])
74		AC_DEFINE(atexit, xatexit, [Define to xatexit if the host system does not support atexit])
75		;;
76esac
77
78AC_DEFINE_UNQUOTED([EXE_EXT], "$ac_exeext",
79  [Defined to the executable file extension on the host system])
80
81# Checks for header files.
82AC_HEADER_STDC
83AC_CHECK_HEADERS([stddef.h stdlib.h strings.h unistd.h fcntl.h sys/file.h \
84	sys/stat.h])
85define(fixincludes_UNLOCKED_FUNCS, clearerr_unlocked feof_unlocked dnl
86  ferror_unlocked fflush_unlocked fgetc_unlocked fgets_unlocked dnl
87  fileno_unlocked fprintf_unlocked fputc_unlocked fputs_unlocked dnl
88  fread_unlocked fwrite_unlocked getchar_unlocked getc_unlocked dnl
89  putchar_unlocked putc_unlocked)
90AC_CHECK_FUNCS(fixincludes_UNLOCKED_FUNCS)
91AC_CHECK_DECLS([abort, asprintf, basename(char *), errno, vasprintf])
92AC_CHECK_DECLS(m4_split(m4_normalize(fixincludes_UNLOCKED_FUNCS)))
93
94# Checks for typedefs, structures, and compiler characteristics.
95AC_C_CONST
96
97# Checks for library functions.
98GCC_AC_FUNC_MMAP_BLACKLIST
99
100AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
101AC_ARG_ENABLE(maintainer-mode,
102[  --enable-maintainer-mode enable make rules and dependencies not useful
103                          (and sometimes confusing) to the casual installer],
104      USE_MAINTAINER_MODE=$enableval,
105      USE_MAINTAINER_MODE=no)
106AC_MSG_RESULT($USE_MAINTAINER_MODE)
107if test "$USE_MAINTAINER_MODE" = yes; then
108  MAINT=
109else
110  MAINT='#'
111fi
112AC_SUBST(MAINT)
113AC_DEFINE_UNQUOTED([SED_PROGRAM], "${SED}",
114   [Defined to the best working sed program on the host system])
115
116# Determine what GCC version number to use in filesystem paths.
117GCC_BASE_VER
118
119AC_CONFIG_HEADERS(config.h, [echo timestamp > stamp-h])
120AC_CONFIG_FILES(Makefile mkheaders.almost:mkheaders.in)
121AC_OUTPUT
122