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Commit | Line | Data |
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2b59cb05 | 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 | ||
c3383428 | 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 \ | |
5880638c | 14 | -Wmissing-format-attribute -Wno-overlength-strings]) |
c3383428 | 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 | ||
50e7e370 | 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$local_prefix = x; then | |
36 | local_prefix=/usr/local | |
37 | fi | |
38 | ||
2b59cb05 | 39 | # Choose one or two-process fix methodology. Systems that cannot handle |
40 | # bi-directional pipes must use the two process method. | |
41 | # | |
4f80d25b | 42 | AC_ARG_ENABLE([twoprocess], |
43 | [ --enable-twoprocess Use a separate process to apply the fixes], | |
998ae78e | 44 | [if test "x$enable_twoprocess" = xyes; then |
4f80d25b | 45 | TARGET=twoprocess |
46 | else | |
47 | TARGET=oneprocess | |
48 | fi], | |
49 | [case $host in | |
2b59cb05 | 50 | i?86-*-msdosdjgpp* | \ |
4f80d25b | 51 | i?86-*-mingw32* | \ |
2b59cb05 | 52 | *-*-beos* ) |
53 | TARGET=twoprocess | |
2b59cb05 | 54 | ;; |
55 | ||
4f80d25b | 56 | * ) |
2b59cb05 | 57 | TARGET=oneprocess |
2b59cb05 | 58 | ;; |
4f80d25b | 59 | esac]) |
60 | AC_SUBST(TARGET) | |
2b59cb05 | 61 | |
4f80d25b | 62 | if test $TARGET = twoprocess; then |
63 | AC_DEFINE(SEPARATE_FIX_PROC, 1, | |
64 | [Define if testing and fixing are done by separate process]) | |
65 | fi | |
66 | ||
67 | case $host in | |
68 | vax-dec-bsd* ) | |
69 | AC_DEFINE(exit, xexit, [Define to xexit if the host system does not support atexit]) | |
70 | AC_DEFINE(atexit, xatexit, [Define to xatexit if the host system does not support atexit]) | |
2b59cb05 | 71 | ;; |
72 | esac | |
4f80d25b | 73 | |
74 | AC_DEFINE_UNQUOTED([EXE_EXT], "$ac_exeext", | |
75 | [Defined to the executable file extension on the host system]) | |
2b59cb05 | 76 | |
77 | # Checks for header files. | |
78 | AC_HEADER_STDC | |
79 | AC_CHECK_HEADERS([stddef.h stdlib.h strings.h unistd.h fcntl.h sys/file.h \ | |
80 | sys/stat.h]) | |
077a3c99 | 81 | define(fixincludes_UNLOCKED_FUNCS, clearerr_unlocked feof_unlocked dnl |
82 | ferror_unlocked fflush_unlocked fgetc_unlocked fgets_unlocked dnl | |
83 | fileno_unlocked fprintf_unlocked fputc_unlocked fputs_unlocked dnl | |
84 | fread_unlocked fwrite_unlocked getchar_unlocked getc_unlocked dnl | |
85 | putchar_unlocked putc_unlocked) | |
86 | AC_CHECK_FUNCS(fixincludes_UNLOCKED_FUNCS) | |
6ede36d7 | 87 | AC_CHECK_DECLS(m4_split(m4_normalize(abort asprintf basename errno vasprintf fixincludes_UNLOCKED_FUNCS))) |
2b59cb05 | 88 | |
89 | # Checks for typedefs, structures, and compiler characteristics. | |
90 | AC_C_CONST | |
91 | ||
92 | # Checks for library functions. | |
93 | gcc_AC_FUNC_MMAP_BLACKLIST | |
94 | ||
95 | AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles]) | |
96 | AC_ARG_ENABLE(maintainer-mode, | |
97 | [ --enable-maintainer-mode enable make rules and dependencies not useful | |
98 | (and sometimes confusing) to the casual installer], | |
99 | USE_MAINTAINER_MODE=$enableval, | |
100 | USE_MAINTAINER_MODE=no) | |
101 | AC_MSG_RESULT($USE_MAINTAINER_MODE) | |
102 | if test "$USE_MAINTAINER_MODE" = yes; then | |
103 | MAINT= | |
104 | else | |
105 | MAINT='#' | |
106 | fi | |
107 | AC_SUBST(MAINT) | |
108 | ||
109 | AC_CONFIG_HEADERS(config.h, [echo timestamp > stamp-h]) | |
5eb9abc6 | 110 | AC_CONFIG_FILES(Makefile mkheaders.almost:mkheaders.in) |
2b59cb05 | 111 | AC_OUTPUT |