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configure.ac
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configure.ac
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dnl -----------------------------------------------------------------
dnl
dnl This program is free software; you can redistribute it and/or modify
dnl it under the terms of the GNU General Public License as published by
dnl the Free Software Foundation; version 2 of the License.
dnl
dnl This program is distributed in the hope that it will be useful,
dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
dnl GNU General Public License for more details.
dnl
dnl Contact info: Paul Wessel, SOEST/UHM, [email protected]
dnl ----------------------------------------------------------------------------
dnl
dnl Run GNU autoconf to produce a configure script from this input.
dnl -----------------------------------------------------------------
dnl
dnl
dnl -----------------------------------------------------------------
dnl Since gmtmex requires GMT5 libs we insist that the GMT5
dnl executables must be in the current path; otherwise abort.
dnl
dnl We also need to gather the following information
dnl 1. Location of GMT5 include and library files
dnl -----------------------------------------------------------------
dnl
AC_INIT([gmt-mex],[6],[[email protected]])
dnl
dnl -----------------------------------------------------------------
dnl The remainder should need no editing
dnl -----------------------------------------------------------------
dnl
AC_CONFIG_SRCDIR(src/gmtmex.h)
AC_CONFIG_AUX_DIR(`pwd`)
AC_PREFIX_PROGRAM(gmt)
m4_warn([obsolete],
[AC_CYGWIN is obsolete: use AC_CANONICAL_HOST and check if $host_os
matches *cygwin*])dnl
AC_CANONICAL_HOST
case $host_os in
*cygwin* ) CYGWIN=yes;;
* ) CYGWIN=no;;
esac
AC_CANONICAL_TARGET
AC_LANG([C])
AC_PROG_CC
AC_PROG_CPP
AC_PREFIX_DEFAULT(`pwd`)
AC_PATH_XTRA
dnl
dnl -----------------------------------------------------------------
dnl gmtmex-specific make macros
dnl -----------------------------------------------------------------
dnl
AC_SUBST(CFLAGS)
AC_SUBST(CPPFLAGS)
AC_SUBST(LD_OPT)
AC_SUBST(LDFLAGS)
AC_SUBST(GMT_LIB)
AC_SUBST(GMT_INC)
AC_SUBST(GMT_BIN)
AC_SUBST(DEP_LIBS)
AC_SUBST(LIBS)
AC_SUBST(LIBEXT)
AC_SUBST(SL)
AC_SUBST(SL_VERSION)
AC_SUBST(prefix)
AC_SUBST(rootdir)
AC_SUBST(MEX_BLD)
AC_SUBST(MEX_LIB)
AC_SUBST(MEX_INC)
AC_SUBST(MEX_EXT)
AC_SUBST(MEX_OUT)
AC_SUBST(MEX_XDIR)
AC_SUBST(MEX_MDIR)
AC_SUBST(GS_PATH)
dnl
dnl -----------------------------------------------------------------
dnl Special configure options for gmtmex installation
dnl -----------------------------------------------------------------
dnl
AC_ARG_WITH(gmt_config, [ --with-gmt-config= Full path to gmt-config [[auto]]])
AC_ARG_ENABLE(matlab, [ --enable-matlab=dir Build GMT-matlab interface, give directory with MATLAB distribution [[auto]]])
AC_ARG_ENABLE(octave, [ --enable-octave=dir Build GMT-octave interface, give directory with Octave distribution [[auto]] (disables MATLAB interface)])
AC_ARG_ENABLE(octmode, [ --enable-octmode=mode Append oct or mex [[auto]]])
AC_ARG_ENABLE(mex_mdir, [ --enable-mex-mdir=dir Directory in which to install GMT-octave/MATLAB .m files [[auto]]])
AC_ARG_ENABLE(mex_xdir, [ --enable-mex-xdir=dir Directory in which to install GMT-octave/MATLAB mex files [[auto]]])
AC_ARG_ENABLE(debug, [ --enable-debug Compile for debugging instead of optimizing code])
AC_ARG_ENABLE(rpath, [ --disable-rpath Do not hardcode runtime library paths])
AC_ARG_ENABLE(shared, [ --enable-shared Build shared (dynamic) libraries instead of static])
AC_ARG_VAR(GMT_INC,Location of GMT5 headers (compile-time))
AC_ARG_VAR(GMT_LIB,Location of GMT5 library (compile-time))
dnl
dnl -----------------------------------------------------------------
dnl Check for ar, csh/bash, ld, awk, and ranlib
dnl -----------------------------------------------------------------
dnl
AC_CHECK_PROG(GMT_in_path, gmt, 1, 0)
if test "X$GMT_in_path" = "X0" ; then
AC_MSG_RESULT(GMT5 executables are not in your path - aborting)
exit 1
else
gmajor=`gmt --version | awk '{print substr($1,1,1)}'`
gminor=`gmt --version | awk '{print substr($1,3,1)}'`
if test "X$gmajor" = "X6"; then
AC_MSG_RESULT(GMT6.x.x or higher executables found)
elif test "X$gmajor" = "X5" && test $gminor -ge 3; then
AC_MSG_RESULT(GMT5.3.x or higher executables found)
else
AC_MSG_RESULT(GMT5.3.x executables are not in your path - aborting)
exit 1
fi
fi
AC_CHECK_PROGS(PAGER, less more, cat)
AC_CHECK_PROG(AR, ar, ar, :)
AC_CHECK_PROG(CSH, csh, csh, bash, )
AC_CHECK_PROG(LD, ld, ld, :)
AC_CHECK_PROG(AS, as, as, :)
AC_PROG_LN_S
AC_PROG_INSTALL
AC_PROG_AWK
AC_PROG_RANLIB
AC_CHECK_SIZEOF(long)
dnl
dnl -----------------------------------------------------------------
dnl Find full path to gs
dnl -----------------------------------------------------------------
AC_PATH_PROG([GS_EXE], [gs], [$gs_exe])
if test -x "$GS_EXE" ; then
GS_PATH=$GS_EXE
fi
dnl
dnl -----------------------------------------------------------------
dnl Get current OS and chip type
dnl -----------------------------------------------------------------
dnl
os=`uname -s`
if test "X$os" = "XDarwin" ; then
osr=`uname -r | cut -d. -f1`
fi
chip=`uname -p`
mchip=`uname -m`
Sun_rev=`uname -r | grep '^5.'`
rootdir=`pwd`
dnl
dnl -----------------------------------------------------------------
dnl Check for libraries. Most installs will need to have
dnl -lm but under OS X it is not needed. Thus, we look
dnl for sin in -lm which should set -lm on most platforms.
dnl We also look for sincos in -m and -lsunmath for Solaris.
dnl -----------------------------------------------------------------
dnl
AC_SEARCH_LIBS(sin, m)
dnl
dnl -----------------------------------------------------------------
dnl We use gmt-config to set GMT5 paths and settings
dnl -----------------------------------------------------------------
dnl
if test "X$with_gmt_config" != "Xno" ; then
AC_PATH_PROG([GMT_CONF], [gmt-config], [$with_gmt_config])
fi
if test -x "$GMT_CONF" && test "X$GMT_INC" = "X" && test "X$GMT_LIB" = "X" ; then
AC_MSG_CHECKING(for GMT includes)
GMT_INC=`$GMT_CONF --cflags`
AC_MSG_RESULT($GMT_INC)
AC_MSG_CHECKING(for GMT libs)
GMT_LIB=`$GMT_CONF --libs`
DEP_LIBS=`$GMT_CONF --dep-libs`
AC_MSG_RESULT($GMT_LIB)
AC_MSG_CHECKING(for GMT version)
GMT_VER=`$GMT_CONF --version`
AC_MSG_RESULT($GMT_VER)
AC_MSG_CHECKING(if GMT was built with GDAL)
GMT_GDAL=`$GMT_CONF --has-gdal`
AC_MSG_RESULT($GMT_GDAL)
AC_MSG_CHECKING(for GMT bin directory)
GMT_BIN=`gmt --show-bindir`
AC_MSG_RESULT($GMT_BIN)
GMT_LIB_PATH=`echo $GMT_LIB | sed 's/^-L//;s/\ .*//'`
rpath="$GMT_LIB_PATH"
AC_MSG_CHECKING(for 32 vs 64-bit GMT5 installation)
bits=`$GMT_CONF --bits`
GCC_64="-m${bits}"
LDFLAGS="$LDFLAGS -m${bits}"
AC_MSG_RESULT(found ${bits}-bit)
fi
dnl
dnl -----------------------------------------------------------------
dnl Allow user to set --enable-debug to pass -g flag
dnl -----------------------------------------------------------------
dnl
AC_MSG_CHECKING(if we should compile with debugging switch -g)
CFLAGS=$ac_save_CFLAGS
if test "X$enable_debug" = "Xyes" ; then
AC_MSG_RESULT(yes)
CFLAGS="$CFLAGS -g"
MFLAGS="-g"
else
CFLAGS=`echo $CFLAGS | sed 's/-g//'`
if test "$os" = "Darwin" ; then
LDFLAGS="$LDFLAGS -Wl,-x"
else
LDFLAGS="$LDFLAGS -s"
fi
if test "$GCC" = "yes" || test "$os" = "Linux" || test "$os" = "AIX"; then
CFLAGS="$CFLAGS -O2"
elif test "$chip" = "alpha" || test "$os" = "AUX" || test "$os" = "HP-UX"; then
CFLAGS="$CFLAGS"
else
CFLAGS="$CFLAGS -O"
fi
AC_MSG_RESULT(no)
fi
dnl
dnl -----------------------------------------------------------------
dnl Determine LD_OPT for this platform
dnl -----------------------------------------------------------------
dnl
shared_unknown=no
LD_OPT=
LD=ld
SL=so
LIBEXT='$(SL)'
SL_VERSION='$(SL)'
if test "X$enable_shared" = "Xyes" ; then
AC_MSG_CHECKING(how to make a shared object)
if test "X$CYGWIN" = "Xyes" ; then
SL=dll.a
SL_VERSION=$LIB_MAJOR_VERSION.$SL
LD='$(CC)'
LD_OPT="-shared"
elif test "$os" = "SunOS" ; then
if test "$Sun_rev" = "" ; then # SunOS
LD_OPT="-Bdynamic"
else # Solaris
LD_OPT="-G"
fi
elif test "$os" = "Linux" || test "$os" = "GNU/kFreeBSD" ; then # Need optimization when doing shared
LD='$(CC)'
SL_VERSION=$SL.$LIB_MAJOR_VERSION
LD_OPT='-shared -Wl,-soname=$*.'$SL_VERSION
elif test "$os" = "FreeBSD" || test "$os" = "NetBSD" ; then
SL_VERSION=$SL.$LIB_MAJOR_VERSION
LD_OPT='-shared -Wl,-soname=$*.'$SL_VERSION
elif test "$os" = "OSF1" ; then
LD_OPT='-shared -expect_unresolved "*"'
elif test "$os" = "IRIX64" ; then
LD_OPT="-shared"
# Need to remove -L/usr/lib to avoid mixing o32 and n32
X_LIBS=
elif test "$os" = "Darwin" ; then # MacOS X
SL=dylib
SL_VERSION=$LIB_MAJOR_VERSION.$SL
LD='$(CC)'
LD_OPT='-install_name ${prefix}/lib/$*.'$SL_VERSION' -compatibility_version 4.0.0 -current_version '$LIB_VERSION' -dynamiclib '$OSX_L
if test $osr -eq 8 ; then # Tiger needs special option for shared libs
CFLAGS="$CFLAGS -fno-common"
fi
elif test "$os" = "HP-UX" ; then
LD_OPT="-b"
SL=sl
else # Not yet implemented
AC_MSG_RESULT(not supported for gmtmex under $os - building static libs instead)
enable_shared=no
shared_unknown=yes
fi
fi
if test "X$enable_shared" = "Xyes" ; then
rpath="$rpath"':$(libdir)'
AC_MSG_RESULT($LD $LD_OPT)
AC_MSG_CHECKING(the file extension for shared libraries)
AC_MSG_RESULT($SL)
else
LIBEXT='a'
fi
dnl
dnl -----------------------------------------------------------------
dnl Determine LDFLAGS for this platform
dnl -----------------------------------------------------------------
dnl
AC_MSG_CHECKING(linker options)
flag=
if test "X$enable_rpath" = "Xno" ; then
flag=
elif test "$os" = "SunOS" ; then
if test "$Sun_rev" = "" ; then
flag="-L"
else
flag="-R,"
fi
elif test "$os" = "Linux" || test "$os" = "FreeBSD" || test "$os" = "NetBSD" || test "$os" = "OSF1" || test "$os" = "IRIX64" ; then
flag="-rpath,"
elif test "$os" = "HP-UX" ; then
flag="+b,"
fi
if test "X$flag" != "X" ; then
LDFLAGS="$LDFLAGS -Wl,$flag$rpath"
fi
AC_MSG_RESULT($LDFLAGS)
dnl
dnl -----------------------------------------------------------------
dnl Determine CFLAGS for this platform
dnl -----------------------------------------------------------------
dnl
AC_MSG_CHECKING(compiler options for GMT)
if test "$GCC" = "yes"; then # GNU cc options
if test "$chip" = "alpha" ; then # Alpha PC
CFLAGS="$CFLAGS -mieee -Wall $GCC_64"
else # MacOSX, Linux, ...
CFLAGS="$CFLAGS -Wall $GCC_64"
fi
CFLAGS="$CFLAGS -fPIC -fno-strict-aliasing -std=c99"
elif test "$os" = "SunOS" ; then # Sun Workshop CC options
CFLAGS="$CFLAGS -Xc"
elif test "$os" = "HP-UX" ; then # HP cc options
CFLAGS="$CFLAGS -Aa +Ofltacc +O1 +Olibcalls"
if test "$enable_shared" = "yes" ; then
CFLAGS="$CFLAGS +z"
fi
elif test "$os" = "OSF1" ; then # Dec Alpha OSF cc options
CFLAGS="$CFLAGS -Olimit 1500 -ieee_with_inexact"
elif test "$os" = "ULTRIX" ; then # Dec Ultrix cc options
CFLAGS="$CFLAGS -Olimit 1500"
fi
AC_MSG_RESULT($CFLAGS)
dnl
dnl -----------------------------------------------------------------
dnl Determine CPPFLAGS for this platform
dnl -----------------------------------------------------------------
dnl
AC_MSG_CHECKING(compiler preprocessor flags for gmtmex)
if test "$os" = "AUX" ; then # Apple A/UX cc options
CPPFLAGS="$CPPFLAGS -Daux"
fi
AC_MSG_RESULT($CPPFLAGS)
dnl
dnl -----------------------------------------------------------------
dnl Check if we have GNU make. If not, add CPPFLAGS to CFLAGS
dnl -----------------------------------------------------------------
dnl
AC_MSG_CHECKING(if CPPFLAGS need to be added to CFLAGS)
${MAKE:-make} -p -f /dev/null 2>&1 | grep CPPFLAGS > /dev/null
if test "$?" = "0" ; then
AC_MSG_RESULT(no)
else
CFLAGS="$CFLAGS "'$(CPPFLAGS)'
AC_MSG_RESULT(yes)
fi
dnl
dnl
dnl -----------------------------------------------------------------
dnl Determine Octave/MATLAB mex extensions and dirs for this platform
dnl -----------------------------------------------------------------
dnl
if test "X$MATLAB" = "XNONE" ; then
AC_MSG_RESULT([Octave/MATLAB mex supplement will be skipped])
elif test ! "X$enable_matlab" = "X"; then
AC_MSG_CHECKING(Compiler options for MATLAB)
MEX_BLD="$MATLAB/bin/mex -DGMT_MATLAB $MFLAGS"
MEX_OUT='-output'
CFLAGS="$CFLAGS -DGMT_MATLAB"
if test "$os" = "Linux" ; then # Linux systems
if test "$ac_cv_sizeof_long" = "8" ; then
MEX_EXT='mexa64'
MATLAB_MEX='glnxa64'
else
MEX_EXT='mexglx'
MATLAB_MEX='glnx86'
fi
elif test "$os" = "SunOS" ; then # Sun Workshop
MEX_EXT='mexsol'
MATLAB_MEX='sol2'
elif test "$os" = "IRIX64" ; then # SGI Irix 64
MEX_EXT='mexsg64'
elif test "$os" = "IRIX" ; then # SGI Irix
MEX_EXT='mexsg'
elif test "$os" = "HP-UX" ; then # HP
MEX_EXT='mexhpux'
elif test "$os" = "AIX" ; then # IBM AIX
MEX_EXT='mexrs6'
MATLAB_MEX='ibm_rs'
elif test "$os" = "OSF1" ; then # Dec Alpha
MEX_EXT='mexds'
elif test "$os" = "ULTRIX" ; then # Dec Ultrix
MEX_EXT='mexvx'
elif test "$os" = "Darwin" ; then # Mac OS X
dir=`ls -t /Applications | grep MATLAB | head -n 1`
if test "X$dir" = "X" ; then
MATLAB=NONE
else
MATLAB=/Applications/$dir
fi
MEX_BLD="xcrun clang -undefined error -arch ${mchip} -bundle -DGMT_MATLAB $MFLAGS"
MEX_OUT='-o'
if test "$chip" = "i386" ; then #Intel Mac
if test "$ac_cv_sizeof_long" = "8" ; then
MEX_EXT='mexmaci64'
MATLAB_MEX='maci64'
else
MEX_EXT='maci64'
MATLAB_MEX='maci'
fi
elif test "$chip" = "arm" ; then #Apple Silicon Mac 64-bit
MEX_EXT='mexmaca64'
MATLAB_MEX='maca64'
else #Legacy PPC
MEX_EXT='mexmac'
MATLAB_MEX='mac'
fi
else # Other
MEX_EXT='mex'
fi
if test "X$MATLAB_MEX" = "X" ; then
# Users: pls supply your input
AC_MSG_RESULT([MATLAB mex-file extension not known - guessed to be mex])
AC_MSG_RESULT([If incorrect, please modify makefile manually and post an issue on the GMT/MEX wiki])
MATLAB_MEX='mex'
fi
MEX_LIB="-L$MATLAB/bin/$MATLAB_MEX -lmx -lmex"
MEX_INC="-I$MATLAB/extern/include"
if test "X$enable_mex_mdir" = "X" || test "X$enable_mdir" = "Xyes" ; then
MEX_MDIR=$MATLAB/toolbox/local
else
MEX_MDIR=$enable_mex_mdir
fi
if test "X$enable_mex_xdir" = "X" || test "X$enable_xdir" = "Xyes" ; then
MEX_XDIR=$MATLAB/toolbox/local
else
MEX_XDIR=$enable_mex_xdir
fi
AC_MSG_RESULT([$MEX_BLD $MEX_LIB, extension .$MEX_EXT])
AC_MSG_CHECKING(MATLAB install dir for .m files)
AC_MSG_RESULT([$MEX_MDIR])
AC_MSG_CHECKING(MATLAB install dir for .mex files)
AC_MSG_RESULT([$MEX_XDIR])
else
if test "X$enable_octmode" = "Xyes" || test "X$enable_octmode" = "Xoct" ; then
MEX_EXT='oct'
MEX_ARG=
OCT_ARG=GMT_OCTOCT
else
MEX_EXT='mex'
MEX_ARG='-mex'
OCT_ARG=GMT_OCTMEX
fi
AC_MSG_CHECKING(Compiler options for Octave)
CFLAGS="$CFLAGS -D$OCT_ARG"
MEX_BLD="mkoctfile -D$OCT_ARG $MEX_ARG $MFLAGS"
MEX_LIB=
MEX_INC=-I`octave-config --print OCTINCLUDEDIR`
if test "X$enable_mex_mdir" = "X" || test "X$enable_mdir" = "Xyes" ; then
MEX_MDIR=`octave-config --m-site-dir`
else
MEX_MDIR=$enable_mex_mdir
fi
if test "X$enable_mex_xdir" = "X" || test "X$enable_xdir" = "Xyes" ; then
MEX_XDIR=`octave-config --oct-site-dir`
else
MEX_XDIR=$enable_mex_xdir
fi
AC_MSG_RESULT([$MEX_BLD])
AC_MSG_CHECKING(Octave extension)
AC_MSG_RESULT([.$MEX_EXT])
AC_MSG_CHECKING(Octave include dir)
AC_MSG_RESULT([$MEX_INC])
AC_MSG_CHECKING(Octave system install dir for .m files)
AC_MSG_RESULT([$MEX_MDIR])
AC_MSG_CHECKING(Octave system install dir for .$MEX_EXT files)
AC_MSG_RESULT([$MEX_XDIR])
fi
if test "X$GMT_GDAL" = "yes" ; then
CFLAGS="$CFLAGS -DHAVE_GDAL"
fi
dnl -----------------------------------------------------------------
dnl Update the Make macros
dnl -----------------------------------------------------------------
dnl
AC_CONFIG_FILES([config.mk])
AC_OUTPUT
dnl