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, [0:47:0])
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
49
50AC_CHECK_LIB(tinfo, tgetent,,
51  [AC_CHECK_LIB(terminfo, tgetent,,
52    [AC_CHECK_LIB(termcap, tgetent,,
53       [AC_CHECK_LIB(termlib, tgetent,,
54           [AC_CHECK_LIB(curses, tgetent,,
55               [AC_CHECK_LIB(ncurses, tgetent,,
56                   [AC_MSG_ERROR([libcurses or libncurses are required!])]
57               )]
58           )]
59       )]
60    )]
61  )]
62)
63
64
65### use option --enable-widec to turn on use of wide-character support
66EL_ENABLE_WIDEC
67
68# Checks for header files.
69AC_HEADER_DIRENT
70AC_HEADER_STDC
71AC_HEADER_SYS_WAIT
72AC_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])
73
74AC_CHECK_HEADER([termios.h], [], [AC_MSG_ERROR([termios.h is required!])],[])
75
76## include curses.h to prevent "Present But Cannot Be Compiled"
77AC_CHECK_HEADERS([term.h],,,
78[[#if HAVE_CURSES_H
79# include <curses.h>
80#elif HAVE_NCURSES_H
81# include <ncurses.h>
82#endif
83]])
84
85# Check for dirent.d_namlen field explicitly
86# (This is a bit more straightforward than, if not quite as portable as,
87# the recipe given by the autoconf maintainers.)
88AC_CHECK_MEMBER(struct dirent.d_namlen,
89AC_DEFINE([HAVE_STRUCT_DIRENT_D_NAMLEN],[1],
90[Define to 1 if struct dirent has member d_namlen]),,
91[#if HAVE_DIRENT_H
92#include <dirent.h>
93#endif
94])
95
96# Checks for typedefs, structures, and compiler characteristics.
97AC_C_CONST
98AC_TYPE_PID_T
99AC_TYPE_SIZE_T
100AC_CHECK_TYPES([u_int32_t])
101
102# Checks for library functions.
103AC_FUNC_CLOSEDIR_VOID
104AC_FUNC_FORK
105AC_PROG_GCC_TRADITIONAL
106## _AIX is offended by rpl_malloc and rpl_realloc
107#AC_FUNC_MALLOC
108#AC_FUNC_REALLOC
109AC_TYPE_SIGNAL
110AC_FUNC_STAT
111AC_CHECK_FUNCS([endpwent isascii memchr memset re_comp regcomp strcasecmp strchr strcspn strdup strerror strrchr strstr strtol issetugid wcsdup strlcpy strlcat fgetln vis strvis strunvis __secure_getenv secure_getenv])
112
113# strlcpy
114AC_CHECK_FUNC(strlcpy, found_strlcpy=yes, found_strlcpy=no)
115AM_CONDITIONAL(HAVE_STRLCPY, [test "x$found_strlcpy" = xyes])
116
117# strlcat
118AC_CHECK_FUNC(strlcat, found_strlcat=yes, found_strlcat=no)
119AM_CONDITIONAL(HAVE_STRLCAT, [test "x$found_strlcat" = xyes])
120
121# vis
122AC_CHECK_FUNC(vis, found_vis=yes, found_vis=no)
123AM_CONDITIONAL(HAVE_VIS, [test "x$found_vis" = xyes])
124
125# unvis
126AC_CHECK_FUNC(unvis, found_unvis=yes, found_unvis=no)
127AM_CONDITIONAL(HAVE_UNVIS, [test "x$found_unvis" = xyes])
128
129
130EL_GETPW_R_POSIX
131EL_GETPW_R_DRAFT
132
133
134AH_BOTTOM([
135#include "sys.h"
136#define SCCSID
137#undef LIBC_SCCS
138#define lint
139])
140
141AC_CONFIG_FILES([Makefile
142                 libedit.pc
143                 src/Makefile
144                 doc/Makefile
145                 examples/Makefile])
146AC_OUTPUT
147