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configure.ac
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#############################################################################
#
# MODULE: Grass Compilation
# AUTHOR(S): Original author unknown - probably CERL
# Eric G. Miller - egm2 jps.net
# Justin Hickey - Thailand - jhickey hpcc.nectec.or.th
# Markus Neteler - Germany/Italy - neteler itc.it
# Nicklas Larsson (update to autoconfig 2.69)
# PURPOSE: This configure runs all the tests to determine what components
# are installed on the current system. It also defines certain
# configuration variables for compilation and installation.
# COPYRIGHT: (C) 2000-2025 by the GRASS Development Team
#
# This program is free software under the GNU General
# Public License (>=v2). Read the file COPYING that
# comes with GRASS for details.
#
# MANUAL: https://www.gnu.org/software/autoconf/manual/autoconf.html
# http://savannah.gnu.org/projects/autoconf/
# Website for config.guess, config.sub:
# wget http://git.savannah.gnu.org/cgit/config.git/plain/config.guess
# wget http://git.savannah.gnu.org/cgit/config.git/plain/config.sub
# Note: use autoconf-2.69
#############################################################################
define([AC_CACHE_LOAD], )
define([AC_CACHE_SAVE], )
define([AC_CACHE_VAL], [
$2
])
AC_INIT
AC_CONFIG_SRCDIR([configure.ac])
AC_PREREQ([2.71])
AC_CONFIG_HEADERS([include/grass/config.h])
AC_CANONICAL_HOST
AC_PROG_CC
# Enable C++ option
LOC_ARG_WITH(cxx, C++)
LOC_CHECK_USE(cxx,C++,USE_CXX)
if test -n "$USE_CXX"; then
AC_PROG_CXX
else
CXX=
CXXFLAGS=
AC_SUBST(CXX)
AC_SUBST(CXXFLAGS)
fi
# Done checking C++
LOC_EXEEXT
AC_SUBST(MINGW32)
# Set WINDRES
if test "$MINGW32" = yes ; then
WINDRES=${WINDRES-windres}
else
WINDRES=
fi
AC_SUBST(WINDRES)
# Check for custom PKG_CONFIG
PKG_CONFIG=${PKG_CONFIG-pkg-config}
# Check for full floating-point support, including Infinity and NaN
IEEEFLAG=
LOC_CHECK_FP_INF_NAN([],
[],
[ ac_save_cflags=${CFLAGS}
CFLAGS=-mieee
LOC_CHECK_FP_INF_NAN([ with -mieee],
[IEEEFLAG="-mieee"],
[AC_MSG_WARN([*** Incomplete floating-point support.])],
[AC_MSG_ERROR([*** INTERNAL CONFIGURE ERROR])])
CFLAGS=${ac_save_cflags}],
[ LOC_CHECK_CC_MIEEE ])
CFLAGS="$CFLAGS $IEEEFLAG"
# Set BINDIR
if test -n "${bindir}"; then
BINDIR="${bindir}"
else
BINDIR=/usr/local/bin
fi
AC_SUBST(BINDIR)
# Set SRCDIR and DSTDIR
AC_PATH_PROG(pwd, pwd, pwd)
if test "$MINGW32" = yes -a "$cross_compiling" != yes ; then
winpwd="pwd -W"
else
winpwd="$pwd"
fi
AC_MSG_CHECKING(for source directory)
if test -z "$srcdir" ; then
SRCDIR=`$pwd`
else
SRCDIR=`(cd "$srcdir" ; $pwd)`
fi
AC_MSG_RESULT("$SRCDIR")
AC_MSG_CHECKING(for build directory)
DSTDIR=`$pwd`
WINDSTDIR=`$winpwd`
AC_MSG_RESULT("$DSTDIR")
AC_SUBST(SRCDIR)
AC_SUBST(DSTDIR)
# Set ARCH
ARCH=
if test -z "${host}"; then
ARCH="unknown"
else
ARCH="${host}"
fi
AC_SUBST(ARCH)
# Set GISBASE and GRASS_BIN
GISBASE="${WINDSTDIR}/dist.${ARCH}"
GRASS_BIN="${DSTDIR}/bin.${ARCH}"
AC_SUBST(GISBASE)
AC_SUBST(GRASS_BIN)
# Set GRASS_VERSION_*
GRASS_VERSION_FILE=include/VERSION
GRASS_VERSION_GIT_FILE=include/VERSION_GIT
GRASS_VERSION_MAJOR=`sed -n 1p "${GRASS_VERSION_FILE}"`
GRASS_VERSION_MINOR=`sed -n 2p "${GRASS_VERSION_FILE}"`
GRASS_VERSION_RELEASE=`sed -n 3p "${GRASS_VERSION_FILE}"`
GRASS_VERSION_DATE=`sed -n 4p "${GRASS_VERSION_FILE}"`
GRASS_VERSION_NUMBER=`echo ${GRASS_VERSION_MAJOR}.${GRASS_VERSION_MINOR}.${GRASS_VERSION_RELEASE}`
NAME_VER=`echo ${GRASS_VERSION_NUMBER} | sed 's/\..*//'`
changequote(,)
LIB_VER=`echo ${GRASS_VERSION_NUMBER} | sed 's/^\([0-9.]*\).*$/\1/'`
changequote([,])
GRASS_VERSION_GIT="exported"
# get git short hash + date of last change in GRASS headers
# (and anything else in include)
GRASS_HEADERS_GIT_HASH="${GRASS_VERSION_NUMBER}"
GRASS_HEADERS_GIT_DATE=`date -u +%FT%T%z | sed 's/\(..\)$/:\1/'`
AC_PATH_PROG(GIT, git, no)
AC_CHECK_FILE([$GRASS_VERSION_GIT_FILE])
AC_MSG_CHECKING(for GRASS GIS headers commit date)
if test "$GIT" != "no" ; then
GRASS_VERSION_GIT=`$GIT rev-parse --short HEAD 2>/dev/null`
if test -z "$GRASS_VERSION_GIT"; then
GRASS_VERSION_GIT="exported"
fi
GRASS_HEADERS_GIT_HASH=`$GIT log -1 --pretty=format:"%h" -- "${SRCDIR}/include" 2>/dev/null`
if test -z "$GRASS_HEADERS_GIT_HASH"; then
GRASS_HEADERS_GIT_HASH="${GRASS_VERSION_NUMBER}"
fi
gitdate_utc_local=$(TZ=UTC0 git log -1 --date=iso-local --pretty=format:"%cd" -- include)
GRASS_HEADERS_GIT_DATE=$(echo "$gitdate_utc_local" | sed 's/ /T/' | sed 's/ //' | sed 's/\(..\)$/:\1/')
if test -z "$GRASS_HEADERS_GIT_DATE"; then
GRASS_HEADERS_GIT_DATE=`date -u +%FT%T%z | sed 's/\(..\)$/:\1/'`
fi
fi
if test $GRASS_VERSION_GIT == "exported" && \
test "$ac_cv_file_include_VERSION_GIT" == "yes"; then
GRASS_HEADERS_GIT_HASH=$(sed -n 1p "${GRASS_VERSION_GIT_FILE}")
GRASS_VERSION_GIT=$GRASS_HEADERS_GIT_HASH
GRASS_HEADERS_GIT_DATE=$(sed -n 2p "${GRASS_VERSION_GIT_FILE}")
fi
AC_MSG_RESULT($GRASS_HEADERS_GIT_DATE)
AC_SUBST(GRASS_VERSION_FILE)
AC_SUBST(GRASS_VERSION_MAJOR)
AC_SUBST(GRASS_VERSION_MINOR)
AC_SUBST(GRASS_VERSION_RELEASE)
AC_SUBST(GRASS_VERSION_NUMBER)
AC_SUBST(GRASS_VERSION_DATE)
AC_SUBST(GRASS_VERSION_GIT)
AC_SUBST(GRASS_HEADERS_GIT_HASH)
AC_SUBST(GRASS_HEADERS_GIT_DATE)
AC_SUBST(NAME_VER)
AC_SUBST(LIB_VER)
# Check for MacOSX App
AC_ARG_ENABLE(macosx-app,
[ --enable-macosx-app create a MacOSX application],,
[enable_macosx_app=no])
AC_MSG_CHECKING(for MacOSX App)
case "$enable_macosx_app" in
yes) MACOSX_APP=1 ;;
no) MACOSX_APP= ;;
*) AC_MSG_ERROR([*** You must answer yes or no.]) ;;
esac
AC_MSG_RESULT("$enable_macosx_app")
AC_SUBST(MACOSX_APP)
# Check for MacOSX archs
AC_MSG_CHECKING(for MacOSX architectures)
MACOSX_ARCHS=
if test -z "$with_macosx_archs" ; then
AC_MSG_RESULT(no)
else
for a in $with_macosx_archs
do
# check if valid arch?
case "$a" in
i386|ppc|x86_64|ppc64)
MACOSX_ARCHS="$MACOSX_ARCHS -arch $a"
;;
esac
done
AC_MSG_RESULT([$MACOSX_ARCHS])
LDFLAGS="$LDFLAGS $MACOSX_ARCHS"
CFLAGS="$CFLAGS $MACOSX_ARCHS"
CXXFLAGS="$CXXFLAGS $MACOSX_ARCHS"
fi
AC_SUBST(MACOSX_ARCHS)
# Done checking MacOSX archs
# Check for MacOSX SDK
AC_MSG_CHECKING(for MacOSX SDK)
MACOSX_SDK=
if test -z "$with_macosx_sdk" ; then
AC_MSG_RESULT(no)
else
AC_CHECK_FILE($with_macosx_sdk/SDKSettings.plist, [
MACOSX_SDK="-isysroot $with_macosx_sdk"],[
AC_MSG_ERROR([*** specified SDK does not exist or is not a SDK])])
LDFLAGS="$LDFLAGS $MACOSX_SDK"
CFLAGS="$CFLAGS $MACOSX_SDK"
CXXFLAGS="$CXXFLAGS $MACOSX_SDK"
fi
AC_SUBST(MACOSX_SDK)
# Done checking MacOSX SDK
# Set INST_DIR
if test -n "$MACOSX_APP" ; then
INSTDIR='${prefix}'"/GRASS-${GRASS_VERSION_MAJOR}.${GRASS_VERSION_MINOR}.app/Contents/MacOS"
else
INSTDIR='${prefix}'"/grass${GRASS_VERSION_MAJOR}${GRASS_VERSION_MINOR}"
fi
AC_SUBST(INSTDIR)
# Get flags for building shared libraries
SC_ENABLE_SHARED
ac_save_ldflags="$LDFLAGS"
SC_CONFIG_CFLAGS
LDFLAGS="${ac_save_ldflags} $LDFLAGS"
# Enable options
AC_ARG_ENABLE(w11,
[ --enable-w11 use W11 library for Windows X11 emulation],,
[enable_w11=no])
# With options
#LOC_ARG_WITH(g77, GNU Fortran 77, no)
AC_ARG_WITH(macosx-archs,
[ --with-macosx-archs[=arch list]
compile multiple architectures on MacOSX, ie.
universal. Valid architectures are i386, ppc,
x86_64 and ppc64. (default: no [native])],, with_macosx_archs="no")
AC_ARG_WITH(macosx-sdk,
[ --with-macosx-sdk[=path/sdk]
compile with a system SDK on MacOSX. (default: no)],, with_macosx_sdk="no")
LOC_ARG_WITH(tiff, TIFF)
LOC_ARG_WITH(postgres, PostgreSQL, no)
LOC_ARG_WITH(mysql, MySQL, no)
LOC_ARG_WITH(sqlite, SQLite)
LOC_ARG_WITH(opengl, OpenGL)
LOC_ARG_WITH(odbc, ODBC, no)
LOC_ARG_WITH(fftw, FFTW)
LOC_ARG_WITH(libsvm, LIBSVM, no)
LOC_ARG_WITH(cairo, Cairo)
LOC_ARG_WITH(freetype, FreeType)
LOC_ARG_WITH(nls, NLS, no)
LOC_ARG_WITH(readline, Readline, no)
LOC_ARG_WITH(regex, regex)
LOC_ARG_WITH(pcre, pcre, no)
LOC_ARG_WITH(pthread, POSIX threads, no)
LOC_ARG_WITH(openmp, OpenMP, no)
LOC_ARG_WITH(opencl, OpenCL, no)
LOC_ARG_WITH(bzlib, BZIP2, no)
LOC_ARG_WITH(zstd, Zstandard)
LOC_ARG_WITH(pdal, PDAL)
AC_ARG_WITH([blas],
[AS_HELP_STRING([--with-blas=pkg-config-package],
[enable BLAS support with by adding name of pkg-config package name
for CBLAS library, e.g. '--with-lapack-package=openblas',
default: cblas])],, [with_blas=no])
AC_ARG_WITH([lapack],
[AS_HELP_STRING([--with-lapack=pkg-config-package],
[enable LAPACK support with by adding name of pkg-config package name
for LAPACKE library, e.g. '--with-lapack-package=openblas',
default: lapacke])],, [with_lapack=no])
AC_ARG_WITH(libpng,
[ --with-libpng[=path/libpng-config]
enable PNG support (libpng-config with path,
e.g. '--with-libpng=/usr/local/bin/libpng-config')])
AC_ARG_WITH(gdal,
[ --with-gdal[=path/gdal-config]
enable GDAL/OGR support (gdal-config with path,
e.g. '--with-gdal=/usr/local/bin/gdal-config')])
AC_ARG_WITH(liblas,
[ --with-liblas[=path/liblas-config]
enable libLAS support (liblas-config with path,
e.g. '--with-liblas=/usr/local/bin/liblas-config',
default: no)],, with_liblas="no")
AC_ARG_WITH(netcdf,
[ --with-netcdf[=path/nc-config]
enable NetCDF support (nc-config with path,
e.g. '--with-nc=/usr/local/bin/nc-config',
default: no)],, with_netcdf="no")
# With includes and libs options
AC_ARG_WITH(geos,
[ --with-geos[=path/geos-config]
enable GEOS support (geos-config with path,
e.g. '--with-geos=/usr/local/bin/geos-config',
default: no)],, with_geos="no")
AC_ARG_WITH(includes,
[ --with-includes=DIRS site include files are in DIRS])
AC_ARG_WITH(libs,
[ --with-libs=DIRS site library files are in DIRS])
LOC_ARG_WITH_INC(zlib, zlib)
LOC_ARG_WITH_LIB(zlib, zlib)
LOC_ARG_WITH_INC(bzlib, BZIP2)
LOC_ARG_WITH_LIB(bzlib, BZIP2)
LOC_ARG_WITH_INC(zstd, ZSTD)
LOC_ARG_WITH_LIB(zstd, ZSTD)
LOC_ARG_WITH_INC(readline, Readline)
LOC_ARG_WITH_LIB(readline, Readline)
LOC_ARG_WITH_INC(tiff, TIFF)
LOC_ARG_WITH_LIB(tiff, TIFF)
LOC_ARG_WITH_INC(postgres, PostgreSQL)
LOC_ARG_WITH_LIB(postgres, PostgreSQL)
LOC_ARG_WITH_INC(mysql, MySQL)
LOC_ARG_WITH_LIB(mysql, MySQL)
LOC_ARG_WITH_INC(sqlite, SQLite)
LOC_ARG_WITH_LIB(sqlite, SQLite)
LOC_ARG_WITH_INC(opengl, OpenGL)
LOC_ARG_WITH_LIB(opengl, OpenGL)
LOC_ARG_WITH_FRAMEWORK(opengl, OpenGL)
LOC_ARG_WITH_INC(odbc, ODBC)
LOC_ARG_WITH_LIB(odbc, ODBC)
LOC_ARG_WITH_INC(fftw, FFTW)
LOC_ARG_WITH_LIB(fftw, FFTW)
LOC_ARG_WITH_INC(libsvm, LIBSVM)
LOC_ARG_WITH_LIB(libsvm, LIBSVM)
LOC_ARG_WITH_INC(cairo, cairo)
LOC_ARG_WITH_LIB(cairo, cairo)
LOC_ARG_WITH_LDFLAGS(cairo, cairo)
LOC_ARG_WITH_INC(freetype, FreeType)
LOC_ARG_WITH_LIB(freetype, FreeType)
LOC_ARG_WITH_INC(proj, External PROJ.4)
LOC_ARG_WITH_LIB(proj, External PROJ.4)
LOC_ARG_WITH_SHARE(proj, External PROJ.4)
LOC_ARG_WITH_INC(regex, regex)
LOC_ARG_WITH_LIB(regex, regex)
LOC_ARG_WITH_INC(pcre, pcre)
LOC_ARG_WITH_LIB(pcre, pcre)
LOC_ARG_WITH_INC(pthread, POSIX threads)
LOC_ARG_WITH_LIB(pthread, POSIX threads)
LOC_ARG_WITH_INC(openmp, OpenMP)
LOC_ARG_WITH_LIB(openmp, OpenMP)
LOC_ARG_WITH_INC(opencl, OpenCL)
LOC_ARG_WITH_LIB(opencl, OpenCL)
#LOC_ARG_WITH_FRAMEWORK(opencl, OpenCL)
# Put this early on so CPPFLAGS and LDFLAGS have any additional dirs
# With includes option
# Handle Fortran compiler choice
#LOC_CHECK_USE(g77, GNU Fortran 77, USE_G77)
# Done checking fortran
AC_MSG_CHECKING(for additional include dirs)
case "$with_includes" in
y | ye | yes | n | no)
AC_MSG_ERROR([*** You must supply a directory to list --with-includes.])
;;
esac
AC_MSG_RESULT($with_includes)
if test -n "$with_includes"; then
for dir in $with_includes; do
if test -d "$dir"; then
INCLUDE_DIRS="$INCLUDE_DIRS -I$dir"
else
AC_MSG_ERROR([*** Include directory $dir does not exist.])
fi
done
CPPFLAGS="$CPPFLAGS $INCLUDE_DIRS"
fi
AC_SUBST(INCLUDE_DIRS)
# With libs option
AC_MSG_CHECKING(for additional library dirs)
case "$with_libs" in
y | ye | yes | n | no)
AC_MSG_ERROR([*** You must supply a directory list to --with-libs.])
;;
esac
AC_MSG_RESULT($with_libs)
if test -n "$with_libs"; then
for dir in $with_libs; do
if test -d "$dir"; then
LIBRARY_DIRS="$LIBRARY_DIRS -L$dir"
else
AC_MSG_ERROR([*** Library directory $dir does not exist.])
fi
done
LDFLAGS="$LDFLAGS $LIBRARY_DIRS"
fi
AC_SUBST(LIBRARY_DIRS)
# Programs and standard headers, libraries, functions
AC_PROG_INSTALL
AC_PROG_LEX(noyywrap)
if test "x$LEX" = "x:"; then
AC_MSG_ERROR([*** Unable to locate lex.])
elif test "$LEX" = "lex"; then
AC_PATH_PROG(LEXPATH, lex, no)
if test "$LEXPATH" = "no"; then
AC_MSG_ERROR([*** Unable to locate lex.])
fi
fi
AC_PROG_YACC
if test "$YACC" = "yacc"; then
AC_PATH_PROG(YACCPATH, yacc, no)
if test "$YACCPATH" = "no"; then
AC_MSG_ERROR([*** Unable to locate yacc.])
fi
fi
AC_PROG_RANLIB
AC_CHECK_PROGS(AR, ar)
AC_CHECK_PROGS(ENV, env)
AC_PATH_PROG(PERL, perl, no)
#AC_CHECK_HEADERS(curses.h limits.h termio.h termios.h unistd.h values.h)
AC_CHECK_HEADERS(limits.h termio.h termios.h unistd.h values.h)
AC_CHECK_HEADERS(sys/ioctl.h sys/mtio.h sys/resource.h sys/time.h)
AC_CHECK_HEADERS(sys/timeb.h sys/types.h sys/utsname.h)
AC_CHECK_HEADERS(libintl.h iconv.h)
AC_CHECK_HEADERS(langinfo.h)
AC_TYPE_OFF_T
AC_TYPE_UID_T
AC_CANONICAL_HOST
case $host_os in
*cygwin* ) CYGWIN=yes;;
* ) CYGWIN=no;;
esac
AC_CHECK_FUNCS(ftime gethostname gettimeofday lseek nice time uname)
AC_CHECK_FUNCS(seteuid setpriority setreuid setruid)
AC_CHECK_FUNCS(drand48)
AC_CHECK_FUNCS(putenv setenv)
AC_CHECK_FUNCS(nanosleep)
if test "$cross_compiling" != "yes" ; then
AC_FUNC_SETPGRP
else
CROSS_COMPILING=1
AC_SUBST(CROSS_COMPILING)
fi
AC_MSG_CHECKING(for long long int)
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[long long int x;]])],[
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_LONG_LONG_INT, 1, [Define to 1 if "long long int" is available.])
],[
AC_MSG_RESULT(no)
])
AC_MSG_CHECKING(for int64_t)
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>]], [[int64_t x;]])],[
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_INT64_T, 1, [Define to 1 if "int64_t" is available.])
],[
AC_MSG_RESULT(no)
])
AC_MSG_CHECKING(for W11)
case "$enable_w11" in
yes|no) AC_MSG_RESULT("$enable_w11") ;;
*) AC_MSG_ERROR([*** You must answer yes or no.]) ;;
esac
USE_X11=
USE_W11=
XLIB=
XTLIB=
if test "$enable_w11" = "yes" ; then
X_CFLAGS=-I${SRCDIR}/display/drivers/windows/libW11
X_LIBS='-L$(LIBDIR)'
AC_SUBST(X_CFLAGS)
AC_SUBST(X_LIBS)
USE_W11="1"
USE_X11="1"
XLIB=-lX11
CFLAGS="$CFLAGS -D__W98__"
else
AC_PATH_XTRA
if test "$no_x" != "yes"; then
USE_X11="1"
XLIB=-lX11
XTLIB=-lXt
fi
fi
AC_SUBST(XLIB)
AC_SUBST(XTLIB)
AC_SUBST(USE_X11)
# Note that some systems (FreeBSD for example) need an extra library for
# cuserid
ac_save_libs="$LIBS"
LIBS=""
AC_SEARCH_LIBS(cuserid,[compat])
DBMIEXTRALIB="$LIBS"
LIBS="$ac_save_libs"
AC_SUBST(DBMIEXTRALIB)
AC_CHECK_FUNCS(asprintf)
AC_SUBST(HAVE_ASPRINTF)
AC_CHECK_FUNCS(strlcat)
AC_SUBST(HAVE_STRLCAT)
# Test if strlcpy exists
# This is a function part of *BSD libc (optionally available on Linux via libbsd)
AC_CHECK_FUNCS(strlcpy)
AC_SUBST(HAVE_STRLCPY)
# Test if mathlib needs -lm flag or is included with libc
AC_CHECK_FUNC(atan, MATHLIB=, [
AC_CHECK_LIB(m, atan, MATHLIB=-lm, [
AC_MSG_ERROR([*** Failed check for math library.])
])])
AC_SUBST(MATHLIB)
AC_CHECK_FUNC(dlsym, DLLIB=, [
AC_CHECK_LIB(dl, dlsym, DLLIB=-ldl, [
DLLIB=
])])
AC_SUBST(DLLIB)
AC_CHECK_FUNC(iconv, ICONVLIB=, [
AC_CHECK_LIB(iconv, iconv, ICONVLIB=-liconv, [
AC_CHECK_LIB(giconv, iconv, ICONVLIB=-lgiconv, [
AC_CHECK_FUNC(libiconv, ICONVLIB=, [
AC_CHECK_LIB(iconv, libiconv, ICONVLIB=-liconv, [
AC_CHECK_LIB(giconv, libiconv, ICONVLIB=-lgiconv, [
AC_MSG_WARN([*** Unable to locate iconv() function.])
ICONVLIB=
])])])])])])
AC_SUBST(ICONVLIB)
have_socket=1
AC_CHECK_FUNC(socket, SOCKLIB=, [
AC_CHECK_LIB(socket, socket, SOCKLIB=-lsocket, [
have_socket=0
AC_MSG_WARN([*** Unable to locate socket() function.])
])])
AC_SUBST(SOCKLIB)
if test "$have_socket" = 1 ; then
HAVE_SOCKET=1
AC_DEFINE(HAVE_SOCKET, 1, [define if socket() exists])
else
HAVE_SOCKET=
fi
AC_SUBST(HAVE_SOCKET)
# Mandatory zlib dependency
ZLIBLIBPATH=
ZLIBINCPATH=
ZLIB=
# With zlib includes directory
LOC_CHECK_INC_PATH(zlib,zlib,ZLIBINCPATH)
LOC_CHECK_INCLUDES(zlib.h,zlib,$ZLIBINCPATH)
# With zlib library directory
LOC_CHECK_LIB_PATH(zlib,zlib,ZLIBLIBPATH)
LOC_CHECK_LIBS(z,deflate,zlib,$ZLIBLIBPATH,ZLIB,,,)
#
AC_SUBST(ZLIBINCPATH)
AC_SUBST(ZLIBLIBPATH)
AC_SUBST(ZLIB)
# Done checking zlib
# bzip2 support
BZIP2LIBPATH=
BZIP2INCPATH=
BZIP2LIB=
LOC_CHECK_USE(bzlib,bzlib,USE_BZIP2)
if test -n "$USE_BZIP2"; then
# With bzip2 includes directory
LOC_CHECK_INC_PATH(bzlib,bzlib,BZIP2INCPATH)
LOC_CHECK_INCLUDES(bzlib.h,bzlib,$BZIP2INCPATH)
# With bzip2 library directory
LOC_CHECK_LIB_PATH(bzlib,bzlib,BZIP2LIBPATH)
LOC_CHECK_LIBS(bz2,BZ2_bzBuffToBuffCompress,bzlib,$BZIP2LIBPATH,BZIP2LIB,,,)
#
fi # $USE_BZIP2
AC_SUBST(BZIP2INCPATH)
AC_SUBST(BZIP2LIBPATH)
AC_SUBST(BZIP2LIB)
# Done checking bzip2
# zstd support
ZSTDLIBPATH=
ZSTDINCPATH=
ZSTDLIB=
LOC_CHECK_USE(zstd,zstd,USE_ZSTD)
if test -n "$USE_ZSTD"; then
# With zstd includes directory
LOC_CHECK_INC_PATH(zstd,zstd,ZSTDINCPATH)
LOC_CHECK_INCLUDES(zstd.h,zstd,$ZSTDINCPATH)
# With zstd library directory
LOC_CHECK_LIB_PATH(zstd,zstd,ZSTDLIBPATH)
LOC_CHECK_LIBS(zstd,ZSTD_compress,zstd,$ZSTDLIBPATH,ZSTDLIB,,,)
#
fi # $USE_ZSTD
AC_SUBST(ZSTDINCPATH)
AC_SUBST(ZSTDLIBPATH)
AC_SUBST(ZSTDLIB)
# Done checking zstd
# Mandatory PROJ dependency
PROJINC=
PROJLIB=
PROJSHARE=
PROJ4API=0
PROJMAJOR=4
# With PROJ includes directory
LOC_CHECK_INC_PATH(proj,External PROJ,PROJINC)
# PROJ version check: if proj.h exists, it must be proj 5+
LOC_CHECK_INCLUDES(proj.h,External PROJ,$PROJINC,PROJ4API=1)
if test $PROJ4API = 0 ; then
LOC_CHECK_VERSION_INT(proj.h,PROJ_VERSION_MAJOR,External PROJ major,proj_ver_major,$PROJINC,0)
LOC_CHECK_VERSION_INT(proj.h,PROJ_VERSION_MINOR,External PROJ minor,proj_ver_minor,$PROJINC,0)
LOC_CHECK_VERSION_INT(proj.h,PROJ_VERSION_PATCH,External PROJ patch,proj_ver_patch,$PROJINC,0)
AC_MSG_RESULT([found PROJ version "${proj_ver_major}.${proj_ver_minor}.${proj_ver_patch}"])
PROJMAJOR=${proj_ver_major}
# minimum required PROJ 5+ version to use the new PROJ API: 5.1.0
if test ${proj_ver_major} = 5 && test `expr ${proj_ver_minor} \< 1` = 1 ; then
AC_MSG_WARN([At least PROJ version "5.1.0" is required for the new API ])
PROJ4API=1
fi
else
LOC_CHECK_VERSION_INT(proj_api.h,PJ_VERSION,External PROJ.4,proj_ver,$PROJINC,0)
if test `expr ${proj_ver} \>= 600` = 1 ; then
PROJMAJOR=6
elif test `expr ${proj_ver} \>= 500` = 1 ; then
PROJMAJOR=5
elif test `expr ${proj_ver} \>= 400` = 1 ; then
PROJMAJOR=4
fi
AC_MSG_RESULT([found PROJ version "${proj_ver}"])
fi
if test $PROJ4API = 0 ; then
AC_MSG_RESULT([using new PROJ version 5+ API])
# With PROJ library directory
LOC_CHECK_LIB_PATH(proj,External PROJ,PROJLIB)
LOC_CHECK_LIBS(proj,proj_pj_info,External PROJ,$PROJLIB,PROJLIB,,,)
else
AC_MSG_RESULT([using old PROJ version 4 API])
AC_DEFINE(USE_PROJ4API, 1, [Define to 1 if using old PROJ version 4 API.])
LOC_CHECK_INCLUDES(proj_api.h,External PROJ,$PROJINC)
# PROJ version check for v4.x
if test "$cross_compiling" = yes; then
AC_MSG_WARN([*** Cannot check PROJ.4 version (cross-compiling).])
else
LOC_CHECK_VERSION_INT(proj_api.h,PJ_VERSION,External PROJ.4,proj_ver,$PROJINC,0)
if test `expr ${proj_ver} \< 446` = 1 ; then
AC_MSG_ERROR([*** PROJ.4.4.6 or later is required.])
fi
fi
# With PROJ library directory
LOC_CHECK_LIB_PATH(proj,External PROJ.4,PROJLIB)
LOC_CHECK_LIBS(proj,pj_get_def,External PROJ.4,$PROJLIB,PROJLIB,,,)
fi
# With PROJ share directory
LOC_CHECK_SHARE_PATH(proj,External PROJ,PROJSHARE)
if test -z "$PROJSHARE" ; then
AC_MSG_WARN([*** External PROJ directory not specified; default will be used])
PROJSHARE=/usr/share/proj
fi
# check if share/proj/epsg exists only for PROJ < 6
if test `expr ${PROJMAJOR} \< 6` = 1 ; then
# LOC_CHECK_SHARE does not work when cross compiling
if test "$cross_compiling" = "yes" ; then
AC_MSG_CHECKING([for epsg])
AC_MSG_RESULT([unknown (cross-compiling)])
else
LOC_CHECK_SHARE(epsg,External PROJ,$PROJSHARE,[
AC_MSG_WARN([*** Unable to locate PROJ data files.])
])
fi
fi
AC_SUBST(PROJINC)
AC_SUBST(PROJLIB)
AC_SUBST(PROJSHARE)
# Done checking PROJ
# Enable regex option
LOC_CHECK_USE(regex,regex,USE_REGEX)
LOC_CHECK_USE(pcre,pcre,USE_PCRE)
REGEXINCPATH=
REGEXLIBPATH=
REGEXLIB=
if test -n "$USE_REGEX"; then
# With regex includes directory
LOC_CHECK_INC_PATH(regex,regex,REGEXINCPATH)
LOC_CHECK_INCLUDES(regex.h,regex,$REGEXINCPATH)
# With regex library directory
LOC_CHECK_LIB_PATH(regex,regex,REGEXLIBPATH)
LOC_CHECK_FUNC(regcomp,regex functions,REGEXLIB,,,,,[
LOC_CHECK_LIBS(regex,regcomp,regex,$REGEXLIBPATH,REGEXLIB,,,)
])
AC_SUBST(USE_REGEX)
elif test -n "$USE_PCRE"; then
# With pcre includes directory
LOC_CHECK_INC_PATH(pcre,pcre,REGEXINCPATH)
LOC_CHECK_INCLUDES(pcre.h,pcre,$REGEXINCPATH)
# With pcre library directory
LOC_CHECK_LIB_PATH(pcre,pcre,REGEXLIBPATH)
LOC_CHECK_FUNC(pcre_compile,pcre functions,REGEXLIB,,,,,[
LOC_CHECK_LIBS(pcre,pcre_compile,pcre,$REGEXLIBPATH,REGEXLIB,,,)
])
dnl USE_REGEX=0
AC_SUBST(USE_PCRE)
fi # $USE_REGEX
AC_SUBST(REGEXINCPATH)
AC_SUBST(REGEXLIBPATH)
AC_SUBST(REGEXLIB)
# Done checking regex
# Enable Readline option
LOC_CHECK_USE(readline,Readline,USE_READLINE)
READLINEINCPATH=
READLINELIBPATH=
READLINELIB=
HISTORYLIB=
if test -n "$USE_READLINE"; then
# With Readline includes directory
LOC_CHECK_INC_PATH(readline,Readline,READLINEINCPATH)
LOC_CHECK_INCLUDES(readline/readline.h,Readline,$READLINEINCPATH)
LOC_CHECK_INCLUDES(readline/history.h,Readline,$READLINEINCPATH)
# With Readline library directory
LOC_CHECK_LIB_PATH(readline,Readline,READLINELIBPATH)
LOC_CHECK_LIBS(readline,readline,Readline,$READLINELIBPATH,READLINELIB,,,)
LOC_CHECK_LIBS(history,add_history,History,$READLINELIBPATH,HISTORYLIB,,,)
fi # $USE_READLINE
AC_SUBST(READLINEINCPATH)
AC_SUBST(READLINELIBPATH)
AC_SUBST(READLINELIB)
AC_SUBST(HISTORYLIB)
# Done checking Readline
# PNG option
AC_MSG_CHECKING(whether to use PNG)
PNGLIB=
PNGINC=
USE_PNG=
if test "`basename xx/$with_libpng`" = "libpng-config" ; then
LIBPNG_CONFIG="$with_libpng"
fi
if test "$with_libpng" = "no" ; then
AC_MSG_RESULT(no)
else
AC_MSG_RESULT(yes)
AC_PATH_PROG(LIBPNG_CONFIG, libpng-config, no)
if test "$LIBPNG_CONFIG" = "no" ; then
AC_MSG_ERROR([*** couldn't find libpng-config])
fi
if test "$LIBPNG_CONFIG" != "" ; then
PNGLIB=`"$LIBPNG_CONFIG" --static --ldflags`
PNGINC=`"$LIBPNG_CONFIG" --cflags`
USE_PNG=1
fi
PNG=
ac_save_libs="$LIBS"
ac_save_cflags="$CFLAGS"
LIBS="$LIBS $PNGLIB"
CFLAGS="$CFLAGS $PNGINC"
AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <png.h>]], [[png_read_image(NULL, NULL);]])],[],[
AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <png.h>]], [[png_read_image(NULL, NULL);]])],[PNGLIB="$PNGLIB"],[
AC_MSG_ERROR([*** Unable to locate libpng library.])
])
])
LIBS=${ac_save_libs}
CFLAGS=${ac_save_cflags}
AC_DEFINE(HAVE_PNG_H, 1, [Define to 1 if you have the <png.h> header file.])
fi
AC_SUBST(PNGLIB)
AC_SUBST(PNGINC)
AC_SUBST(USE_PNG)
# GDAL option
AC_MSG_CHECKING(whether to use GDAL)
GDAL_LIBS=
GDAL_CFLAGS=
USE_GDAL=
USE_OGR=
if test "`basename xx/$with_gdal`" = "gdal-config" ; then
GDAL_CONFIG="$with_gdal"
fi
if test "$with_gdal" = "no" ; then
AC_MSG_RESULT(no)
else
AC_MSG_RESULT(yes)
AC_PATH_PROG(GDAL_CONFIG, gdal-config, no)
if test "$GDAL_CONFIG" = "no" ; then
AC_MSG_ERROR([*** couldn't find gdal-config])
fi
if test "$GDAL_CONFIG" != "" ; then
GDAL_LIBS=`"$GDAL_CONFIG" --libs`
GDAL_DEP_LIBS=`"$GDAL_CONFIG" --dep-libs`
GDAL_CFLAGS=`"$GDAL_CONFIG" --cflags`
USE_GDAL=1
if test `"$GDAL_CONFIG" --ogr-enabled` = "yes" ; then
AC_DEFINE(HAVE_OGR, 1, [Define to 1 if OGR is to be used.])