source: git/configure.ac @ 48d2074

stereo-2025
Last change on this file since 48d2074 was 48d2074, checked in by Olly Betts <olly@…>, 8 months ago

Stop probing for lround()

We now require C99 which standardised lround().

  • Property mode set to 100644
File size: 11.3 KB
RevLine 
[c746b4d]1dnl Process this file with autoconf to produce a configure script
[483ac4e]2
[a884696]3dnl Need autoconf 2.50 or later for AC_ARG_VAR.  2.59 has been around for
4dnl long enough, that we might as well just require that.
5AC_PREREQ(2.59)
[b9c665b]6AC_INIT([survex], [1.4.12], [https://trac.survex.com/])
[6e0cdc2c]7AM_INIT_AUTOMAKE([1.5 gnu -Wall -Wportability -Werror])
[191536f]8RELEASE=1
[79b37a4c]9
[5636835]10AC_SUBST(RELEASE)
[e02a6a6]11AC_CONFIG_HEADERS([config.h])
[5b7b184]12AC_CONFIG_SRCDIR([src/aven.cc])
[96cc0ab]13
[78966780]14COPYRIGHT_MSG="Copyright (C) 1990-2024 Olly Betts"
[920b066]15AVEN_COPYRIGHT_MSG="Copyright (C) 1999-2003,2005,2006 Mark R. Shinwell"
[55302e3]16
[8c05f13]17AC_DEFINE_UNQUOTED(COPYRIGHT_MSG, ["$COPYRIGHT_MSG"], [Copyright Message])
18AC_DEFINE_UNQUOTED(AVEN_COPYRIGHT_MSG, ["$AVEN_COPYRIGHT_MSG"],
[99f252b]19                   [Copyright Message for Aven])
20
21AC_SUBST(COPYRIGHT_MSG)
22AC_SUBST(AVEN_COPYRIGHT_MSG)
[706b033]23
[5627cbb]24COPYRIGHT_MSG_UTF8=`echo "$COPYRIGHT_MSG"|sed 's/(C)/©/'`
25AVEN_COPYRIGHT_MSG_UTF8=`echo "$AVEN_COPYRIGHT_MSG"|sed 's/(C)/©/'`
26
27AC_DEFINE_UNQUOTED(COPYRIGHT_MSG_UTF8, ["$COPYRIGHT_MSG_UTF8"],
28                   [Copyright Message in UTF-8])
29AC_DEFINE_UNQUOTED(AVEN_COPYRIGHT_MSG_UTF8, ["$AVEN_COPYRIGHT_MSG_UTF8"],
30                   [Copyright Message for Aven in UTF-8])
31
[1d43ee5]32dnl set PRETTYPACKAGE to PACKAGE with the first character capitalised
[21fbe7d]33PRETTYPACKAGE=`echo "$PACKAGE"|cut -b1|tr a-z A-Z``echo "$PACKAGE"|cut -b2-`
[82afbc4]34AC_DEFINE_UNQUOTED(PRETTYPACKAGE, "$PRETTYPACKAGE",
[99f252b]35                   [Name of package (capitalised)])
[aa931b2]36AC_SUBST(PRETTYPACKAGE)
37
[e2546c0]38dnl set COMMAVERSION to VERSION with the dots replaced by commas -
39dnl e.g. "0,99" or "1,0,22"
[21fbe7d]40COMMAVERSION=`echo "$VERSION"|tr '.' ','`
[e2546c0]41AC_DEFINE_UNQUOTED(COMMAVERSION, $COMMAVERSION,
[1db3fa5]42                   [Version number of package (comma-separated)])
[e2546c0]43AC_SUBST(COMMAVERSION)
44
[d0a7bba]45PKGDOCDIR='${prefix}/share/doc/${PACKAGE}'
[4b4bd47]46AC_ARG_ENABLE(docdir,
47[  --enable-docdir=DIR Set directory for installing documentation to DIR],
[21fbe7d]48[case $enableval in
[4b4bd47]49 yes|no)
50  AC_MSG_ERROR([configure: Syntax: configure --enable-docdir=DIR]) ;;
51esac
[ab27074]52PKGDOCDIR="$enableval"
[4b4bd47]53]
54)
[e2ac794]55PKGDOCDIR_EXPANDED=`
[21fbe7d]56 test NONE = "$prefix" && prefix="$ac_default_prefix"
57 test NONE = "$exec_prefix" && exec_prefix="$prefix"
58 eval echo "$PKGDOCDIR"
[e2ac794]59`
[4b4bd47]60AC_SUBST(PKGDOCDIR)
[9b579156]61AC_SUBST(PKGDOCDIR_EXPANDED)
[4b4bd47]62
[4d0204a]63AC_CANONICAL_HOST
[984f49e]64
[55302e3]65dnl Checks for programs.
66AC_PROG_CC
[f78ad72]67AC_PROG_CPP
[5809313]68
[f665d6e]69AC_PROG_CXX
70AC_PROG_CXXCPP
[039fb01]71
[4a7c2f0d]72dnl Probe for any options needed to enable C++11 support.
73AX_CXX_COMPILE_STDCXX_11
74
[c13d1930]75AM_PROG_CC_C_O
76
[0177571]77AC_LANG([C])
[55302e3]78
[96cc0ab]79AC_EXEEXT
80AC_OBJEXT
81
[2032841]82mswindows=no
[559cd60]83macos=no
[21fbe7d]84case $host_os in
[559cd60]85darwin*) macos=yes ;;
[4d0204a]86*mingw*|*cygwin*|windows*) mswindows=yes ;;
87esac
88
[21c226e]89AC_C_BIGENDIAN
[bd63572]90
[c746b4d]91AC_ARG_VAR(STRIP, [Command for discarding symbols from object files])
[4a6f8f6]92AC_PATH_TOOL(STRIP, strip, [echo "not stripping "])
[55302e3]93
[647407d]94AC_CHECK_LIB(m, sqrt)
95
[7e2f708]96dnl The wxWidgets libraries we need:
[f31090c]97wx_libs="core,gl"
[7e2f708]98
[a3f519b]99AC_ARG_VAR(WXCONFIG, [Old name for WX_CONFIG, accepted for compatibility])
100AC_ARG_VAR(WX_CONFIG, [wxWidgets configuration script to use to build Aven])
101: ${WX_CONFIG="$WXCONFIG"}
[bd9730c]102
[ab27074]103AM_CONDITIONAL(WIN32, [test yes = "$mswindows"])
[559cd60]104AM_CONDITIONAL(MACOS, [test yes = "$macos"])
[b9bd864]105
[a3f519b]106if test -n "$WX_CONFIG" ; then
107  dnl WX_CONFIG specified - sanity check the value
[f665d6e]108  dnl don't check for --ldflags - older wx-config didn't do that
[7e2f708]109  if (exec >&5 2>&5;$WX_CONFIG --libs --cflags --cxxflags "$wx_libs";exit $?) then
[f665d6e]110    :
[b9bd864]111  else
[5297c43]112    AC_MSG_ERROR(['$WX_CONFIG --libs --cflags --cxxflags "$wx_libs"' does not work, bailing out])
[f665d6e]113  fi
114else
[559cd60]115  if test yes = "$macos" ; then
[f665d6e]116    wxdef=__WXMAC__
117  elif test yes = "$mswindows" ; then
118    wxdef=__WXMSW__
119  else
120    wxdef=__WXGTK__
121  fi
[5297c43]122  dnl See if wx-config exists and is for the correct version.
[034d9a57]123  dnl Fedora install wx3's wx-config as wx-config-3.0, so look for that in
124  dnl preference.
[6aac0b0]125  dnl Arch Linux uses wx-config-gtk3.
126  AC_PATH_PROGS(WX_CONFIG, [wx-config-3.0 wx-config-gtk3 wx-config])
[5297c43]127  if test -n "$WX_CONFIG" ; then
128    if (exec >&5 2>&5;$WX_CONFIG --cflags "$wx_libs"|grep -e -D"$wxdef";exit $?) then
129      :
130    else
131      AC_MSG_ERROR([wxWidgets not for the right toolkit.  Run ./configure WX_CONFIG=/path/to/wx-config])
[b9bd864]132    fi
[5297c43]133  else
[a3f519b]134    AC_MSG_ERROR([wxWidgets not found.  Run ./configure WX_CONFIG=/path/to/wx-config])
[b9bd864]135  fi
[5809313]136fi
[0fd7598]137
[5627cbb]138dnl Unless the user has explicitly specified a --unicode setting, prefer
139dnl --unicode=yes if we can get it.
140case $WX_CONFIG in
141  *--unicode=*) ;;
142  *)
[7e2f708]143    if (exec >&5 2>&5;$WX_CONFIG --unicode=yes --version "$wx_libs";exit $?) ; then
[5627cbb]144      WX_CONFIG="$WX_CONFIG --unicode=yes"
[7e2f708]145    elif (exec >&5 2>&5;$WX_CONFIG --unicode=no --version "$wx_libs";exit $?) ; then
[5627cbb]146      WX_CONFIG="$WX_CONFIG --unicode=no"
147    fi ;;
148esac
[7092fcb]149
[7e2f708]150WX_LIBS=`$WX_CONFIG --libs "$wx_libs"`
[f665d6e]151dnl Needed for nvidia drivers on linux (for some setups anyway).
152AC_CHECK_LIB(Xxf86vm, XF86VidModeQueryVersion, [WX_LIBS="$WX_LIBS -lXxf86vm"], [], [$WX_LIBS])
[cccbf7f]153
154save_LIBS=$LIBS
155dnl Check if we need a library for OpenGL functions.  Usually it's the "GL"
156dnl library, but it's called opengl32 on Microsoft Windows).
157AC_SEARCH_LIBS([glPushMatrix], [GL opengl32], [WX_LIBS="$WX_LIBS $ac_cv_search_glPushMatrix"], [], [$WX_LIBS])
158dnl Check if we need a library for GLU functions.  Usually it's the "GLU"
159dnl library, but it's called glu32 on Microsoft Windows).
160AC_SEARCH_LIBS([gluProject], [GLU glu32], [WX_LIBS="$WX_LIBS $ac_cv_search_gluProject"], [], [$WX_LIBS])
161LIBS=$save_LIBS
162
[f665d6e]163AC_SUBST(WX_LIBS)
[559cd60]164dnl macOS has OpenGL/gl.h.
[ee63994]165AC_CHECK_HEADERS([GL/gl.h OpenGL/gl.h], [], [], [ ])
[559cd60]166dnl The Debian mingw-w64 packages lack GL/glext.h; macOS has OpenGL/glext.h.
[ee63994]167AC_CHECK_HEADERS([GL/glext.h OpenGL/glext.h], [], [], [#include <GL/gl.h>])
[9c0b089]168
[7e2f708]169WX_CFLAGS=`$WX_CONFIG --cflags "$wx_libs"`
[f665d6e]170AC_SUBST(WX_CFLAGS)
[7e2f708]171WX_CXXFLAGS=`$WX_CONFIG --cxxflags "$wx_libs"`
[f665d6e]172AC_SUBST(WX_CXXFLAGS)
173
[0177571]174AC_LANG([C])
[a5d615f]175save_CFLAGS=$CFLAGS
176CFLAGS="$CFLAGS $WX_CFLAGS"
177AC_CHECK_SIZEOF([wxChar], [], [
178  #include <wx/defs.h>
[631fa17]179  #include <wx/chartype.h>
[a5d615f]180])
181CFLAGS=$save_CFLAGS
[30b66b5]182
[40d1db36]183dnl Check for FFmpeg libraries.
184PKG_CHECK_MODULES([FFMPEG], [libavcodec libavformat libswscale libavutil], [
185  AC_DEFINE([WITH_FFMPEG], [1], [Use FFmpeg for movie export])
[f678705]186  save_CXXFLAGS=$CXXFLAGS
187  save_LIBS=$LIBS
[40d1db36]188  CFLAGS="$CFLAGS $FFMPEG_CFLAGS"
189  LIBS="$LIBS $FFMPEG_LIBS"
[f678705]190  AC_CHECK_FUNCS([av_guess_format avio_open avio_close avformat_write_header avcodec_encode_video2 avcodec_free_frame avcodec_open2 avformat_new_stream av_frame_alloc av_frame_free])
191  AC_CHECK_DECLS([AVMEDIA_TYPE_VIDEO], [], [], [#include <libavcodec/avcodec.h>])
192  AC_CHECK_DECLS([AV_CODEC_ID_NONE], [], [], [#include <libavcodec/avcodec.h>])
[ad04c87]193  AC_CHECK_DECLS([AV_PIX_FMT_RGB24], [], [], [#include <libavutil/pixfmt.h>])
[f678705]194  AC_CHECK_DECLS([AV_PIX_FMT_YUV420P], [], [], [#include <libavutil/pixfmt.h>])
195  CXXFLAGS=$save_CXXFLAGS
196  LIBS=$save_LIBS
[4909e7e1]197], [
198  dnl Build without movie export feature.
[9e516d0d]199])
[40d1db36]200AC_SUBST([FFMPEG_LIBS])
201AC_SUBST([FFMPEG_CFLAGS])
[c527c6e]202
[cf62988]203dnl Check for PROJ.
[ab24da7]204PKG_CHECK_MODULES([PROJ], [proj >= 6.2.0], [
[f678705]205], [
[0b5f43d]206  dnl pkg-config support in proj seems quite new, so probe directly if not
[ab24da7]207  dnl found.  We need proj_create_crs_to_crs_from_pj() which was added in
208  dnl 6.2.0.
209  AC_CHECK_LIB([proj], [proj_create_crs_to_crs_from_pj], [
[0b5f43d]210      PROJ_LIBS=-lproj
211      PROJ_CFLAGS=
212    ], [
[cf62988]213      AC_MSG_ERROR([PROJ required for coordinate transformations])
[0b5f43d]214    ])
[f678705]215])
[8c87227]216AC_SUBST([PROJ_LIBS])
[f678705]217AC_SUBST([PROJ_CFLAGS])
[63dc4eb]218
[51eab3b]219dnl Check for GDAL.
220PKG_CHECK_MODULES([GDAL], [gdal >= 2.3], [
[fd36290]221  AC_DEFINE([HAVE_GDAL], [1], [Define to 1 if you have the 'GDAL' library.])
[51eab3b]222], [
[6ad2f09]223  if test "$mswindows" = no ; then
224    AC_MSG_ERROR([GDAL required for geodata handling])
225  else
226    AC_MSG_WARN([GDAL required for geodata handling])
227  fi
[51eab3b]228])
229AC_SUBST([GDAL_LIBS])
230AC_SUBST([GDAL_CFLAGS])
231
[b6f16ea]232dnl Checks for header files.
[ac1beb0]233
[17f4e1e]234AC_CHECK_HEADERS(string.h)
[55302e3]235
[8c45eea]236dnl Check for 16-bit and 32-bit integer types.
237AC_TYPE_INT16_T
[136cff2]238AC_TYPE_UINT16_T
[8c45eea]239AC_TYPE_INT32_T
[136cff2]240AC_TYPE_UINT32_T
[647407d]241
[48d2074]242AC_CHECK_FUNCS([popen getpwuid hypot mmap])
[f66c708]243
[e02a6a6]244dnl Much faster than using getc()/putc(), at least on Linux.
245AC_CHECK_FUNCS([getc_unlocked putc_unlocked])
[0a85859]246
[c891a7e]247AC_CHECK_FUNCS([setenv unsetenv])
248
[725d3b1]249AC_CHECK_FUNCS([fmemopen])
250
[dba56bb]251dnl Microsoft-specific functions which support positional argument specifiers.
252AC_CHECK_FUNCS([_vfprintf_p _vsprintf_p])
253
[d1aefbc]254AC_PATH_PROG([SPHINX_BUILD], [sphinx-build], [$MISSING sphinx-build])
255AC_ARG_VAR([SPHINX_BUILD], [sphinx-build from python3-sphinx])
[788ed2e]256
[f15ee00]257AC_PATH_PROG([MSGFMT], [msgfmt], [$MISSING msgfmt])
258AC_ARG_VAR([MSGFMT], [msgfmt from gettext])
259
[71aa081]260AC_ARG_ENABLE([werror],
[d583ee2]261  [AS_HELP_STRING([--enable-werror], [enable treating compiler warnings as errors [default=no]])],
[71aa081]262  [case ${enableval} in
263    yes|no) ;;
264  *) AC_MSG_ERROR([bad value ${enableval} for --enable-werror]) ;;
265  esac],
266  [enable_werror=no])
267
268dnl Put -Werror or equivalent in its own make variable so that it can easily
269dnl be overridden by `make WERROR=` if needed during development (e.g. if
270dnl you want to get a full list of compile warnings to fix rather than
271dnl stopping at the first file with warnings).
272WERROR=
273AC_SUBST([WERROR])
274
[b4fe9fb]275dnl extra warning flags for building with GCC
[ab27074]276if test yes = "$GCC"; then
[71aa081]277  WERROR=-Werror
[ab27074]278  if test yes = "$cross_compiling"; then
[331b3aa]279dnl    AM_CFLAGS="$AM_CFLAGS -Werror -Wall -Wunused -Wpointer-arith\
280dnl      -Wwrite-strings -Wcast-align"
[75f9a82]281dnl -Wsign-compare causes a warning with the mingw FD_SET macro, so we have
282dnl to disable it for mingw builds.
[331b3aa]283    AM_CFLAGS="$AM_CFLAGS -Wall -Wunused -Wpointer-arith\
[1809849]284      -Wwrite-strings -Wcast-align"
[b960c63]285    AM_CXXFLAGS="$AM_CXXFLAGS -Wall -Wunused -Wpointer-arith\
[75f9a82]286      -Wwrite-strings -Wcast-align -Wno-sign-compare"
[d5bd3a7]287  else
[ab27074]288    AM_CFLAGS="$AM_CFLAGS -Wall -W -Wunused -Wshadow -Wpointer-arith\
289      -Wmissing-prototypes -Wwrite-strings -Wredundant-decls -Wnested-externs\
[c70e8d2]290      -Wcast-align"
[41cfc8c]291    AM_CXXFLAGS="$AM_CXXFLAGS -Wall -W -Wunused -Wshadow -Wpointer-arith\
[0580c6a]292      -Wwrite-strings -Wcast-align"
[d5bd3a7]293  fi
[b9bd864]294  dnl too many complaints from headers, etc: -Wconversion
[96cc0ab]295fi
[b4fe9fb]296AC_SUBST(AM_CFLAGS)
297AC_SUBST(AM_CXXFLAGS)
[55302e3]298
[71aa081]299if test x$enable_werror != xyes; then
300  WERROR=
301fi
302
[8c0bfb4]303dnl See if large file support is available.  Survex is unlikely to need to
304dnl process files > 2GB in size, but LFS is also needed for stat() to work
305dnl on filing systems which return 64 bit inode values, such as CIFS mounts.
306AC_SYS_LARGEFILE
307
[5341d94]308AC_ARG_ENABLE(profiling,
309[  --enable-profiling Build binaries to generate profiling information],
[21fbe7d]310[case $enableval in
[984f49e]311  yes) AM_CXXFLAGS="$AM_CXXFLAGS -pg"
[b4fe9fb]312       AM_CFLAGS="$AM_CFLAGS -pg"
[5876fcb]313       AC_MSG_RESULT(building binaries to generate profiling information);;
[5341d94]314  no) ;;
[ab27074]315  *) AC_MSG_ERROR(bad value $enableval for --enable-profiling) ;;
[5341d94]316esac])
317
[5636835]318EXTRA_TEXT="AUTHORS COPYING NEWS TODO ChangeLog"
319AC_SUBST(EXTRA_TEXT)
320
[96c5d34]321AC_SUBST_FILE(DESC)
322DESC=desc.txt
323AC_SUBST_FILE(AVENDESC)
324AVENDESC=desc-aven.txt
325
[f665d6e]326dnl Don't define DATADIR if building for MS Windows - it won't be used, and
327dnl can conflict with the DATADIR typedef in objidl.h
[4d0204a]328if test no = "$mswindows"; then
329  AC_DEFINE_DIR(DATADIR, datadir, [Location of platform independent support files])
330fi
[18f4759]331
[e02a6a6]332AH_BOTTOM(
333[/* Use getc_unlocked() and putc_unlocked() where available, since they are
334 * faster, and we don't multithread file accesses.
335 */
336
337#ifdef HAVE_GETC_UNLOCKED
338# define GETC(F) getc_unlocked(F)
339#else
340# define GETC(F) getc(F)
341#endif
342#ifdef HAVE_PUTC_UNLOCKED
343# define PUTC(C, F) putc_unlocked(C, F)
344#else
345# define PUTC(C, F) putc(C, F)
346#endif
[a17d22fc]347
348#ifndef __cplusplus
349/* C23 added bool, false and true as keywords - let's emulate that and
350 * avoid every C file which uses these needing to include <stdbool.h>.
351 */
352# include <stdbool.h>
353#endif
[e02a6a6]354])
355
[f542bda]356AC_CONFIG_FILES([
357 Makefile src/Makefile doc/Makefile lib/Makefile lib/icons/Makefile
[09dfd18]358 lib/images/Makefile
[d1aefbc]359 tests/Makefile vim/Makefile survex.iss doc/index.htm
[df10c51]360 survex.spec lib/Info.plist
[f542bda]361 ])
362AC_OUTPUT
[d959ab2]363dnl FIXME update msvc makefile for 1.2 branch
[cf733ae]364dnl src/msvc/config.h
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