configure.ac revision 1.1.1.1.4.2
1AC_PREREQ(2.64)
2
3AC_INIT(fixincludes, [ ])
4AC_CONFIG_SRCDIR(inclhack.def)
5AC_CONFIG_AUX_DIR(..)
6m4_sinclude(../libtool.m4)
7AC_CANONICAL_SYSTEM
8AC_PROG_CC
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		TARGET=twoprocess
57		;;
58
59	* )
60		TARGET=oneprocess
61		;;
62esac])
63AC_SUBST(TARGET)
64
65if test $TARGET = twoprocess; then
66	AC_DEFINE(SEPARATE_FIX_PROC, 1,
67		  [Define if testing and fixing are done by separate process])
68fi
69
70case $host in
71	vax-dec-bsd* )
72		AC_DEFINE(exit, xexit, [Define to xexit if the host system does not support atexit])
73		AC_DEFINE(atexit, xatexit, [Define to xatexit if the host system does not support atexit])
74		;;
75esac
76
77AC_DEFINE_UNQUOTED([EXE_EXT], "$ac_exeext",
78  [Defined to the executable file extension on the host system])
79
80# Checks for header files.
81AC_HEADER_STDC
82AC_CHECK_HEADERS([stddef.h stdlib.h strings.h unistd.h fcntl.h sys/file.h \
83	sys/stat.h])
84define(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)
89AC_CHECK_FUNCS(fixincludes_UNLOCKED_FUNCS)
90AC_CHECK_DECLS(m4_split(m4_normalize(abort asprintf basename errno vasprintf fixincludes_UNLOCKED_FUNCS)))
91
92# Checks for typedefs, structures, and compiler characteristics.
93AC_C_CONST
94
95# Checks for library functions.
96gcc_AC_FUNC_MMAP_BLACKLIST
97
98AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
99AC_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=$enableval,
103      USE_MAINTAINER_MODE=no)
104AC_MSG_RESULT($USE_MAINTAINER_MODE)
105if test "$USE_MAINTAINER_MODE" = yes; then
106  MAINT=
107else
108  MAINT='#'
109fi	
110AC_SUBST(MAINT)
111AC_DEFINE_UNQUOTED([SED_PROGRAM], "${SED}",
112   [Defined to the best working sed program on the host system])
113
114AC_CONFIG_HEADERS(config.h, [echo timestamp > stamp-h])
115AC_CONFIG_FILES(Makefile mkheaders.almost:mkheaders.in)
116AC_OUTPUT
117