1 dnl Process this file with autoconf to produce a configure script
3 dnl Need autoconf 2.50 or later for AC_ARG_VAR. 2.59 has been around for
4 dnl long enough, that we might as well just require that.
6 AC_INIT([survex], [1.4.6], [https://trac.survex.com/])
7 AM_INIT_AUTOMAKE([1.5 gnu -Wall -Wportability -Werror])
11 AC_CONFIG_HEADERS([config.h])
12 AC_CONFIG_SRCDIR([src/aven.cc])
14 COPYRIGHT_MSG="Copyright (C) 1990-2023 Olly Betts"
15 AVEN_COPYRIGHT_MSG="Copyright (C) 1999-2003,2005,2006 Mark R. Shinwell"
17 AC_DEFINE_UNQUOTED(COPYRIGHT_MSG, ["$COPYRIGHT_MSG"], [Copyright Message])
18 AC_DEFINE_UNQUOTED(AVEN_COPYRIGHT_MSG, ["$AVEN_COPYRIGHT_MSG"],
19 [Copyright Message for Aven])
21 AC_SUBST(COPYRIGHT_MSG)
22 AC_SUBST(AVEN_COPYRIGHT_MSG)
24 COPYRIGHT_MSG_UTF8=`echo "$COPYRIGHT_MSG"|sed 's/(C)/©/'`
25 AVEN_COPYRIGHT_MSG_UTF8=`echo "$AVEN_COPYRIGHT_MSG"|sed 's/(C)/©/'`
27 AC_DEFINE_UNQUOTED(COPYRIGHT_MSG_UTF8, ["$COPYRIGHT_MSG_UTF8"],
28 [Copyright Message in UTF-8])
29 AC_DEFINE_UNQUOTED(AVEN_COPYRIGHT_MSG_UTF8, ["$AVEN_COPYRIGHT_MSG_UTF8"],
30 [Copyright Message for Aven in UTF-8])
32 dnl set PRETTYPACKAGE to PACKAGE with the first character capitalised
33 PRETTYPACKAGE=`echo "$PACKAGE"|cut -b1|tr a-z A-Z``echo "$PACKAGE"|cut -b2-`
34 AC_DEFINE_UNQUOTED(PRETTYPACKAGE, "$PRETTYPACKAGE",
35 [Name of package (capitalised)])
36 AC_SUBST(PRETTYPACKAGE)
38 dnl set COMMAVERSION to VERSION with the dots replaced by commas -
39 dnl e.g. "0,99" or "1,0,22"
40 COMMAVERSION=`echo "$VERSION"|tr '.' ','`
41 AC_DEFINE_UNQUOTED(COMMAVERSION, $COMMAVERSION,
42 [Version number of package (comma-separated)])
43 AC_SUBST(COMMAVERSION)
45 PKGDOCDIR='${prefix}/share/doc/${PACKAGE}'
47 [ --enable-docdir=DIR Set directory for installing documentation to DIR],
50 AC_MSG_ERROR([configure: Syntax: configure --enable-docdir=DIR]) ;;
52 PKGDOCDIR="$enableval"
56 test NONE = "$prefix" && prefix="$ac_default_prefix"
57 test NONE = "$exec_prefix" && exec_prefix="$prefix"
58 eval echo "$PKGDOCDIR"
61 AC_SUBST(PKGDOCDIR_EXPANDED)
65 dnl Checks for programs.
72 dnl Probe for any options needed to enable C++11 support.
73 AX_CXX_COMPILE_STDCXX_11
86 *mingw*|*cygwin*|windows*) mswindows=yes ;;
91 AC_ARG_VAR(STRIP, [Command for discarding symbols from object files])
92 AC_PATH_TOOL(STRIP, strip, [echo "not stripping "])
98 dnl The wxWidgets libraries we need:
99 wx_libs="core,gl,html"
101 AC_ARG_VAR(WXCONFIG, [Old name for WX_CONFIG, accepted for compatibility])
102 AC_ARG_VAR(WX_CONFIG, [wxWidgets configuration script to use to build Aven])
103 : ${WX_CONFIG="$WXCONFIG"}
105 AM_CONDITIONAL(WIN32, [test yes = "$mswindows"])
106 AM_CONDITIONAL(MACOS, [test yes = "$macos"])
108 if test -n "$WX_CONFIG" ; then
109 dnl WX_CONFIG specified - sanity check the value
110 dnl don't check for --ldflags - older wx-config didn't do that
111 if (exec >&5 2>&5;$WX_CONFIG --libs --cflags --cxxflags "$wx_libs";exit $?) then
114 AC_MSG_ERROR(['$WX_CONFIG --libs --cflags --cxxflags "$wx_libs"' does not work, bailing out])
117 if test yes = "$macos" ; then
119 elif test yes = "$mswindows" ; then
124 dnl See if wx-config exists and is for the correct version.
125 dnl Fedora install wx3's wx-config as wx-config-3.0, so look for that in
127 dnl Arch Linux uses wx-config-gtk3.
128 AC_PATH_PROGS(WX_CONFIG, [wx-config-3.0 wx-config-gtk3 wx-config])
129 if test -n "$WX_CONFIG" ; then
130 if (exec >&5 2>&5;$WX_CONFIG --cflags "$wx_libs"|grep -e -D"$wxdef";exit $?) then
133 AC_MSG_ERROR([wxWidgets not for the right toolkit. Run ./configure WX_CONFIG=/path/to/wx-config])
136 AC_MSG_ERROR([wxWidgets not found. Run ./configure WX_CONFIG=/path/to/wx-config])
140 dnl Unless the user has explicitly specified a --unicode setting, prefer
141 dnl --unicode=yes if we can get it.
145 if (exec >&5 2>&5;$WX_CONFIG --unicode=yes --version "$wx_libs";exit $?) ; then
146 WX_CONFIG="$WX_CONFIG --unicode=yes"
147 elif (exec >&5 2>&5;$WX_CONFIG --unicode=no --version "$wx_libs";exit $?) ; then
148 WX_CONFIG="$WX_CONFIG --unicode=no"
152 WX_LIBS=`$WX_CONFIG --libs "$wx_libs"`
153 dnl Needed for nvidia drivers on linux (for some setups anyway).
154 AC_CHECK_LIB(Xxf86vm, XF86VidModeQueryVersion, [WX_LIBS="$WX_LIBS -lXxf86vm"], [], [$WX_LIBS])
155 dnl We use functions from libGLU so always link -lGLU explicitly if it's
157 AC_CHECK_LIB([GLU], [gluProject], [WX_LIBS="$WX_LIBS -lGLU"], [], [$WX_LIBS])
158 dnl We use functions from libGL so always link -lGL explicitly if it's
160 AC_CHECK_LIB([GL], [glPushMatrix], [WX_LIBS="$WX_LIBS -lGL"], [], [$WX_LIBS])
162 dnl macOS has OpenGL/gl.h.
163 AC_CHECK_HEADERS([GL/gl.h OpenGL/gl.h], [], [], [ ])
164 dnl The Debian mingw-w64 packages lack GL/glext.h; macOS has OpenGL/glext.h.
165 AC_CHECK_HEADERS([GL/glext.h OpenGL/glext.h], [], [], [#include <GL/gl.h>])
167 WX_CFLAGS=`$WX_CONFIG --cflags "$wx_libs"`
169 WX_CXXFLAGS=`$WX_CONFIG --cxxflags "$wx_libs"`
170 AC_SUBST(WX_CXXFLAGS)
174 CFLAGS="$CFLAGS $WX_CFLAGS"
175 AC_CHECK_SIZEOF([wxChar], [], [
177 #include <wx/chartype.h>
181 dnl Check for FFmpeg libraries.
182 PKG_CHECK_MODULES([FFMPEG], [libavcodec libavformat libswscale libavutil], [
183 AC_DEFINE([WITH_FFMPEG], [1], [Use FFmpeg for movie export])
184 save_CXXFLAGS=$CXXFLAGS
186 CFLAGS="$CFLAGS $FFMPEG_CFLAGS"
187 LIBS="$LIBS $FFMPEG_LIBS"
188 AC_CHECK_FUNCS([av_guess_format avio_open avio_close avformat_write_header avcodec_encode_video2 avcodec_free_frame avcodec_open2 avformat_new_stream av_frame_alloc av_frame_free])
189 AC_CHECK_DECLS([AVMEDIA_TYPE_VIDEO], [], [], [#include <libavcodec/avcodec.h>])
190 AC_CHECK_DECLS([AV_CODEC_ID_NONE], [], [], [#include <libavcodec/avcodec.h>])
191 AC_CHECK_DECLS([AV_PIX_FMT_RGB24], [], [], [#include <libavutil/pixfmt.h>])
192 AC_CHECK_DECLS([AV_PIX_FMT_YUV420P], [], [], [#include <libavutil/pixfmt.h>])
193 CXXFLAGS=$save_CXXFLAGS
196 dnl Build without movie export feature.
198 AC_SUBST([FFMPEG_LIBS])
199 AC_SUBST([FFMPEG_CFLAGS])
202 PKG_CHECK_MODULES([PROJ], [proj >= 6.2.0], [
204 dnl pkg-config support in proj seems quite new, so probe directly if not
205 dnl found. We need proj_create_crs_to_crs_from_pj() which was added in
207 AC_CHECK_LIB([proj], [proj_create_crs_to_crs_from_pj], [
211 AC_MSG_ERROR([PROJ required for coordinate transformations])
214 AC_SUBST([PROJ_LIBS])
215 AC_SUBST([PROJ_CFLAGS])
217 dnl Checks for header files.
219 dnl don't use AC_CHECK_FUNCS for setjmp - mingw #define-s it to _setjmp
220 AC_CHECK_HEADERS(limits.h string.h setjmp.h sys/select.h)
222 dnl Checks for typedefs, structures, and compiler characteristics.
226 dnl Check for 16-bit and 32-bit integer types.
232 dnl Check if there's a declaration of lround(). Below we also check for
233 dnl lround() with AC_CHECK_FUNCS, which just checks if it can be linked
234 dnl against. Some platforms are missing a prototype for lround(), so
235 dnl both checks are useful.
236 AC_CHECK_DECLS([lround], [], [], [[#include <math.h>]])
237 AC_CHECK_FUNCS([popen getpwuid lround hypot mmap])
239 dnl Much faster than using getc()/putc(), at least on Linux.
240 AC_CHECK_FUNCS([getc_unlocked putc_unlocked])
242 AC_CHECK_FUNCS([setenv unsetenv])
244 AC_PATH_PROG([JW], [jw], [$MISSING jw])
245 AC_ARG_VAR([JW], [jw from docbook-utils/docbook-tools])
247 dnl extra warning flags for building with GCC
248 if test yes = "$GCC"; then
249 if test yes = "$cross_compiling"; then
250 dnl AM_CFLAGS="$AM_CFLAGS -Werror -Wall -Wunused -Wpointer-arith\
251 dnl -Wwrite-strings -Wcast-align"
252 dnl -Wsign-compare causes a warning with the mingw FD_SET macro, so we have
253 dnl to disable it for mingw builds.
254 AM_CFLAGS="$AM_CFLAGS -Wall -Wunused -Wpointer-arith\
255 -Wwrite-strings -Wcast-align"
256 AM_CXXFLAGS="$AM_CXXFLAGS -Wall -Wunused -Wpointer-arith\
257 -Wwrite-strings -Wcast-align -Wno-sign-compare"
259 AM_CFLAGS="$AM_CFLAGS -Wall -W -Wunused -Wshadow -Wpointer-arith\
260 -Wmissing-prototypes -Wwrite-strings -Wredundant-decls -Wnested-externs\
262 AM_CXXFLAGS="$AM_CXXFLAGS -Wall -W -Wunused -Wshadow -Wpointer-arith\
263 -Wwrite-strings -Wcast-align"
265 dnl too many complaints from headers, etc: -Wconversion
268 AC_SUBST(AM_CXXFLAGS)
270 dnl See if large file support is available. Survex is unlikely to need to
271 dnl process files > 2GB in size, but LFS is also needed for stat() to work
272 dnl on filing systems which return 64 bit inode values, such as CIFS mounts.
275 AC_ARG_ENABLE(profiling,
276 [ --enable-profiling Build binaries to generate profiling information],
278 yes) AM_CXXFLAGS="$AM_CXXFLAGS -pg"
279 AM_CFLAGS="$AM_CFLAGS -pg"
280 AC_MSG_RESULT(building binaries to generate profiling information);;
282 *) AC_MSG_ERROR(bad value $enableval for --enable-profiling) ;;
285 HTMLFILES="AUTHORS.htm HACKING.htm NEWS.htm OLDNEWS.htm TODO.htm index.htm 3dformat.htm 3dformat-old.htm"
288 EXTRA_TEXT="AUTHORS COPYING NEWS TODO ChangeLog"
293 AC_SUBST_FILE(AVENDESC)
294 AVENDESC=desc-aven.txt
296 dnl Don't define DATADIR if building for MS Windows - it won't be used, and
297 dnl can conflict with the DATADIR typedef in objidl.h
298 if test no = "$mswindows"; then
299 AC_DEFINE_DIR(DATADIR, datadir, [Location of platform independent support files])
303 [/* Use getc_unlocked() and putc_unlocked() where available, since they are
304 * faster, and we don't multithread file accesses.
307 #ifdef HAVE_GETC_UNLOCKED
308 # define GETC(F) getc_unlocked(F)
310 # define GETC(F) getc(F)
312 #ifdef HAVE_PUTC_UNLOCKED
313 # define PUTC(C, F) putc_unlocked(C, F)
315 # define PUTC(C, F) putc(C, F)
319 /* C23 added bool, false and true as keywords - let's emulate that and
320 * avoid every C file which uses these needing to include <stdbool.h>.
322 # include <stdbool.h>
327 Makefile src/Makefile doc/Makefile lib/Makefile lib/icons/Makefile
329 tests/Makefile vim/Makefile survex.iss doc/index.htm doc/survex.7
330 survex.spec lib/Info.plist
333 dnl FIXME update msvc makefile for 1.2 branch
334 dnl src/msvc/config.h