1#                                               -*- Autoconf -*-
2# Process this file with autoconf to produce a configure script.
3#
4# Compile with debug symbols:
5#    CFLAGS="-ggdb -pedandic -O0" ./configure
6#    CFLAGS="-ggdb -Wall -Wextra -pedantic -O0" ./configure
7#
8# Use libtool (glibtool on OSX) to debug:
9#
10#    libtool --mode=execute gdb examples/tc1
11#
12# Run valgrind like this, but note
13# http://invisible-island.net/ncurses/ncurses.faq.html#config_leaks.
14#
15#    libtool --mode=execute valgrind --leak-check=full examples/tc1
16#
17# A valgrind suppressions file for ncurses is available at
18# http://www.opensource.apple.com/source/ncurses/ncurses-27/ncurses/misc/ncurses.supp
19#
20#    libtool --mode=execute valgrind --suppressions=ncurses.supp.txt --leak-check=full examples/tc1
21#
22# Verbose output can be enabled with
23#    "./configure --disable-silent-rules" or "make V=1"
24#
25
26AC_INIT(libedit, [EL_RELEASE],, libedit-[EL_TIMESTAMP])
27AC_CONFIG_MACRO_DIR([m4])
28AC_CONFIG_SRCDIR([src/strlcat.c])
29AC_CONFIG_HEADER([config.h])
30
31# features of Posix that are extensions to C (define _GNU_SOURCE)
32AC_USE_SYSTEM_EXTENSIONS
33
34AM_INIT_AUTOMAKE
35AC_PROG_LIBTOOL
36
37# libtool -version-info
38AC_SUBST(LT_VERSION, [0:63:0])
39
40m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
41
42# Checks for programs.
43AC_PROG_CC_C99
44#AC_PROG_CC
45AC_PROG_LN_S
46AC_PROG_AWK
47EL_MANTYPE
48
49AC_CHECK_LIB(ncurses, tgetent,,
50  [AC_CHECK_LIB(curses, tgetent,,
51    [AC_CHECK_LIB(termcap, tgetent,,
52      [AC_CHECK_LIB(tinfo, tgetent,,
53        [AC_MSG_ERROR([libncurses, libcurses, libtermcap or libtinfo is required!])]
54      )]
55    )]
56  )]
57)
58
59### deprecate option --enable-widec to turn on use of wide-character support
60EL_DEPRECATE_WIDEC
61
62AC_ARG_ENABLE(
63  [examples],
64  [AS_HELP_STRING([--enable-examples], [build the example programs [default=yes]])],
65  [enable_examples="$enableval"],
66  [enable_examples="yes"]
67)
68
69AM_CONDITIONAL(ENABLE_EXAMPLES, [test "$enable_examples" = "yes"])
70
71# Checks for header files.
72AC_HEADER_DIRENT
73AC_HEADER_STDC
74AC_HEADER_SYS_WAIT
75AC_CHECK_HEADERS([fcntl.h limits.h malloc.h stdlib.h string.h sys/ioctl.h sys/param.h unistd.h curses.h ncurses.h sys/cdefs.h termcap.h])
76
77AC_CHECK_HEADER([ncurses.h], [],
78  [AC_CHECK_HEADER([curses.h], [],
79    [AC_CHECK_HEADER([termcap.h], [],
80      [AC_MSG_ERROR([ncurses.h, curses.h, or termcap.h is required!])],
81    [])],
82  [])],
83[])
84
85AC_CHECK_HEADER([termios.h], [], [AC_MSG_ERROR([termios.h is required!])], [])
86
87## include curses.h to prevent "Present But Cannot Be Compiled"
88AC_CHECK_HEADERS([term.h],,,
89[[#if HAVE_CURSES_H
90# include <curses.h>
91#elif HAVE_NCURSES_H
92# include <ncurses.h>
93#endif
94]])
95
96# Check for dirent.d_namlen field explicitly
97# (This is a bit more straightforward than, if not quite as portable as,
98# the recipe given by the autoconf maintainers.)
99AC_CHECK_MEMBER(struct dirent.d_namlen,
100AC_DEFINE([HAVE_STRUCT_DIRENT_D_NAMLEN],[1],
101[Define to 1 if struct dirent has member d_namlen]),,
102[#if HAVE_DIRENT_H
103#include <dirent.h>
104#endif
105])
106
107# Checks for typedefs, structures, and compiler characteristics.
108AC_C_CONST
109AC_TYPE_PID_T
110AC_TYPE_SIZE_T
111AC_CHECK_TYPES([u_int32_t])
112
113# Checks for library functions.
114AC_FUNC_CLOSEDIR_VOID
115AC_FUNC_FORK
116AC_PROG_GCC_TRADITIONAL
117## _AIX is offended by rpl_malloc and rpl_realloc
118#AC_FUNC_MALLOC
119#AC_FUNC_REALLOC
120AC_TYPE_SIGNAL
121AC_FUNC_STAT
122AC_CHECK_FUNCS([endpwent isascii memchr memset re_comp regcomp strcasecmp strchr strcspn strdup strerror strrchr strstr strtol issetugid wcsdup strlcpy strlcat getline vis strvis strunvis __secure_getenv secure_getenv])
123
124# strlcpy
125AC_CHECK_FUNC(strlcpy, found_strlcpy=yes, found_strlcpy=no)
126AM_CONDITIONAL(HAVE_STRLCPY, [test "x$found_strlcpy" = xyes])
127
128# strlcat
129AC_CHECK_FUNC(strlcat, found_strlcat=yes, found_strlcat=no)
130AM_CONDITIONAL(HAVE_STRLCAT, [test "x$found_strlcat" = xyes])
131
132# vis
133AC_CHECK_FUNC(vis, found_vis=yes, found_vis=no)
134AM_CONDITIONAL(HAVE_VIS, [test "x$found_vis" = xyes])
135
136# unvis
137AC_CHECK_FUNC(unvis, found_unvis=yes, found_unvis=no)
138AM_CONDITIONAL(HAVE_UNVIS, [test "x$found_unvis" = xyes])
139
140
141EL_GETPW_R_POSIX
142EL_GETPW_R_DRAFT
143
144
145AH_BOTTOM([
146#include "sys.h"
147#define SCCSID
148#undef LIBC_SCCS
149#define lint
150])
151
152AC_CONFIG_FILES([Makefile
153                 libedit.pc
154                 src/Makefile
155                 doc/Makefile
156                 examples/Makefile])
157AC_OUTPUT
158