#----------------------------------------------------------------------------- # Process this file with autoconf-2.53 or later to produce a configure script. #----------------------------------------------------------------------------- # Author: Mark Calabretta, Australia Telescope National Facility, CSIRO. # http://www.atnf.csiro.au/people/Mark.Calabretta # $Id: configure.ac,v 6.2 2018/10/20 10:03:14 mcalabre Exp $ #----------------------------------------------------------------------------- AC_INIT([WCSLIB], [6.2], [mark@calabretta.id.au], [wcslib-6.2]) AC_PREREQ([2.53]) AC_REVISION([$Revision: 6.2 $]) AC_SUBST([PACKAGE_VERSION]) AC_DEFINE_UNQUOTED([WCSLIB_VERSION], [$PACKAGE_VERSION], [Define wcslib version]) # Library version number, same as package version. LIBVER="$PACKAGE_VERSION" AC_SUBST([LIBVER]) AC_CONFIG_SRCDIR([C/wcs.h]) AC_CONFIG_AUX_DIR([config]) # Get the system type. AC_CANONICAL_HOST ARCH="${host_cpu}-$host_os" AC_SUBST([ARCH]) # Look for Flex. AC_CHECK_PROG([FLEX], [flex], [flex], [], [], []) if test "x$FLEX" = xflex ; then # Version 2.5.9 or later is required. V=`flex --version | awk '{print $2}'` W=`echo $V | awk -F. '{if ((($1*100 + $2)*100 + $3) < 20509) print "no"}'` if test "x$W" != x ; then AC_MSG_NOTICE([Flex version $V is too old, ignored.]) FLEX= else AC_MSG_NOTICE([Using Flex version $V.]) fi fi if test "x$FLEX" = x ; then AC_MSG_WARN([Flex version 2.5.9 or later does not appear to be available, will use pre-generated sources.]) fi # Look for an ANSI C compiler. AC_PROG_CPP AC_PROG_CC AC_PROG_CC_STDC AC_C_CONST AC_TYPE_SIZE_T if test "x$ac_cv_prog_cc_stdc" = xno -o \ "x$ac_cv_c_const" = xno -o \ "x$ac_cv_type_size_t" = xno; then AC_MSG_ERROR([ ------------------------------------------------------- An ANSI standard C library is required to build WCSLIB. ERROR: WCSLIB configuration failure. -------------------------------------------------------], [1]) fi # Check for data types (suggested by autoscan - off_t is only required by # fitshdr). AC_TYPE_OFF_T AC_TYPE_INT8_T AC_TYPE_INT16_T AC_TYPE_INT32_T AC_TYPE_UINT8_T AC_TYPE_UINT16_T AC_TYPE_UINT32_T # Check for ANSI C headers. AC_HEADER_STDC AC_CHECK_HEADERS([ctype.h errno.h limits.h locale.h math.h setjmp.h stdarg.h \ stdio.h stdlib.h string.h]) if test "x$ac_cv_header_stdc" = xno; then AC_MSG_ERROR([ ------------------------------------------------------------------- An ANSI standard C library is required to build WCSLIB. One of the ANSI C header files it requires is missing or unusable. ERROR: WCSLIB configuration failure. -------------------------------------------------------------------], [1]) fi # Checks for ANSI C library functions (suggested by autoscan - fseeko and # stat are only required by fitshdr). AC_CHECK_LIB([m], [floor]) AC_FUNC_FSEEKO AC_FUNC_MALLOC AC_FUNC_REALLOC AC_FUNC_SETVBUF_REVERSED AC_FUNC_STAT AC_FUNC_VPRINTF AC_CHECK_FUNCS([floor memset pow setlocale sqrt strchr strstr]) # System libraries that may be required by WCSLIB itself. # SunOS, extra maths functions. AC_CHECK_LIB([sunmath], [cosd], [LIBS="-lsunmath $LIBS"], [], []) # See if we can find sincos(). AC_CHECK_FUNCS([sincos]) # Check the size and availability of integer data types. AC_CHECK_SIZEOF([int]) AC_CHECK_SIZEOF([long int]) AC_CHECK_SIZEOF([long long int]) # 64-bit integer data type; use long long int preferentially since that # accords with "%lld" formatting used in fitshdr.l, e.g. # int size_t long int long long int # --- ------ -------- ------------- # gcc x86: 32 32 32 64 # gcc x86_64: 32 64 64 64 if test "x$ac_cv_sizeof_long_long_int" = x8; then AC_DEFINE([WCSLIB_INT64], [long long int], [64-bit integer data type.]) elif test "x$ac_cv_sizeof_long_int" = x8; then AC_DEFINE([WCSLIB_INT64], [long int], [64-bit integer data type.]) elif test "x$ac_cv_sizeof_int" = x8; then AC_DEFINE([WCSLIB_INT64], [int], [64-bit integer data type.]) fi # Does printf() have the z modifier for size_t type? Important for 64-bit. AC_MSG_CHECKING([for printf z format modifier for size_t type]) AC_RUN_IFELSE( [AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT], [[char buf[64]; if (sprintf(buf, "%zu", (size_t)1) != 1) return 1; else if (strcmp(buf, "1")) return 2;]])], AC_DEFINE([MODZ], ["z"], [printf format modifier for size_t type.]) AC_MSG_RESULT(yes), AC_DEFINE([MODZ], [""], [printf format modifier for size_t type.]) AC_MSG_RESULT(no), AC_DEFINE([MODZ], [""], [printf format modifier for size_t type.]) AC_MSG_RESULT(assumed not) ) # Starting values, may be augmented later. SUBDIRS="C" TSTDIRS="C" INSTDIR="C" # Ways of specifying the Fortran compiler, in order of precedence: # configure --enable-fortran= # F77= configure ...bash # # Ways of disabling Fortran: # configure --disable-fortran # configure --enable-fortran=no # F77=no configure ...bash AC_ARG_ENABLE([fortran], [AS_HELP_STRING([--enable-fortran=ARG], [Fortran compiler to use])], []) AC_ARG_ENABLE([fortran], [AS_HELP_STRING([--disable-fortran], [don't build the Fortran wrappers or PGSBOX])], []) if test "x$enable_fortran" != x -a "x$enable_fortran" != xyes ; then F77="$enable_fortran" fi if test "x$F77" = xno ; then F77= AC_MSG_WARN([Compilation of Fortran wrappers and PGSBOX disabled]) else if test "x$F77" = x ; then # Look for a Fortran compiler. AC_PROG_F77([gfortran g77 f77 ifort xlf frt pgf77 fl32 af77 fort77 f90 \ xlf90 pgf90 epcf90 f95 fort xlf95 lf95 g95]) fi if test "x$F77" = x; then AC_MSG_WARN([ ------------------------------------------------------------------ Fortran compiler not found, will skip Fortran wrappers and PGSBOX. ------------------------------------------------------------------]) # Best guess at Fortran name mangling for use if a compiler does ever # become available. AC_DEFINE([F77_FUNC(name,NAME)], [name ## _]) else if test "x$ac_cv_f77_compiler_gnu" = xyes ; then if test "x$F77" = xg77 -o "x$F77" = xf77 ; then # Not recognized by gfortran. FFLAGS="$FFLAGS -Wno-globals" fi fi AC_MSG_CHECKING(whether $F77 accepts -I) AC_LANG_PUSH(Fortran 77) FFLAGS_save=$FFLAGS FFLAGS=-I. AC_COMPILE_IFELSE(AC_LANG_PROGRAM([], []), [FFLAGS="$FFLAGS_save -I."; AC_MSG_RESULT(yes)], [FFLAGS="$FFLAGS_save"; AC_MSG_RESULT(no)]) AC_LANG_POP() # Libraries required by the Fortran compiler itself (sets FLIBS). # Required by utilities and test programs written in C that link to # Fortran object modules such as pgsbox. AC_F77_LIBRARY_LDFLAGS # F77 name mangling (defines the F77_FUNC preprocessor macro). AC_F77_WRAPPERS SUBDIRS="C Fortran" TSTDIRS="C Fortran" INSTDIR="Fortran" fi fi # System-dependent system libraries (for building the sharable library). #----------------------------------------------------------------------- # Darwin (contains stubs for long double). AC_CHECK_LIB([SystemStubs], [printf\$LDBLStub], [LIBS="$LIBS -lSystemStubs"], [], []) # Library and installation utilities. #------------------------------------ # Static library generation. # Ensure "non-deterministic" archives are produced during the build process. ar rU conftest.a > /dev/null 2>&1 && ARFLAGS="U" rm -f conftest.a AC_SUBST([ARFLAGS]) AC_PROG_RANLIB # Shared library generation. if test "x$ac_cv_c_compiler_gnu" = xyes ; then SHVER=`echo "$LIBVER" | sed -e 's/\..*$//'` # Note that -fPIC is on by default for Macs, this just makes it obvious. SHRFLAGS="-fPIC" SHRLD="\$(CC) \$(SHRFLAGS)" case "$host_os" in darwin*) SHRLIB="libwcs.$LIBVER.dylib" SONAME="libwcs.$SHVER.dylib" SHRLD="$SHRLD -dynamiclib -single_module" SHRLD="$SHRLD -compatibility_version $SHVER -current_version $LIBVER" SHRLN="libwcs.dylib" case "$host_cpu" in powerpc*) # Switch off -fPIC (not applicable for PowerPC Macs). CFLAGS="$CFLAGS -mdynamic-no-pic" ;; esac ;; *) # Covers Linux and Solaris at least. SHRLIB="libwcs.so.$LIBVER" SONAME="libwcs.so.$SHVER" SHRLD="$SHRLD -shared -Wl,-h\$(SONAME)" SHRLN="libwcs.so" ;; esac else SHRLIB= SONAME= SHRFLAGS= SHRLD= SHRSFX= SHRLN= fi AC_SUBST([SHRLIB]) AC_SUBST([SONAME]) AC_SUBST([SHRFLAGS]) AC_SUBST([SHRLD]) AC_SUBST([SHRSFX]) AC_SUBST([SHRLN]) # Installation utilities. AC_PROG_LN_S AC_PROG_INSTALL # Older versions of GNU make do not have the -O option, which only facilitates # legibility of the output from parallel builds (make -j). make --help | grep '\-O' >/dev/null 2>&1 && MAKEFLAGS="-Otarget" AC_SUBST([MAKEFLAGS]) AC_MSG_NOTICE([End of primary configuration. ]) # The following are required to build utilities and test programs. # ---------------------------------------------------------------- AC_MSG_NOTICE([Looking for libraries etc. for utilities and test suite...]) # Check for other quasi-standard header files. AC_CHECK_HEADERS([unistd.h]) # Large file support. AC_FUNC_FSEEKO AC_SYS_LARGEFILE # Extra places to look for third-party libraries and header files. LIBDIRS= AC_ARG_WITH([cfitsio], [AS_HELP_STRING([--without-cfitsio], [eschew CFITSIO])], []) if test "x$with_cfitsio" = xno ; then AC_MSG_WARN([CFITSIO disabled]) else AC_ARG_WITH([cfitsiolib], [AS_HELP_STRING([--with-cfitsiolib=DIR], [directory containing cfitsio library])], []) if test "x$with_cfitsiolib" != x ; then LIBDIRS="$LIBDIRS $with_cfitsiolib" fi AC_ARG_WITH([cfitsioinc], [AS_HELP_STRING([--with-cfitsioinc=DIR], [directory containing cfitsio header files])], []) if test "x$with_cfitsioinc" != x ; then CFITSIO_INCDIRS="$with_cfitsioinc" fi CFITSIO_INCDIRS="$CFITSIO_INCDIRS \ /usr/local/cfitsio/include \ /local/cfitsio/include" LIBDIRS="$LIBDIRS \ /usr/local/cfitsio/lib \ /local/cfitsio/lib" fi AC_ARG_WITH([pgplot], [AS_HELP_STRING([--without-pgplot], [eschew PGPLOT])], []) if test "x$with_pgplot" = xno ; then AC_MSG_WARN([PGPLOT disabled]) else AC_ARG_WITH([pgplotlib], [AS_HELP_STRING([--with-pgplotlib=DIR], [directory containing pgplot library])], []) if test "x$with_pgplotlib" != x ; then LIBDIRS="$LIBDIRS $with_pgplotlib" fi AC_ARG_WITH([pgplotinc], [AS_HELP_STRING([--with-pgplotinc=DIR], [directory containing pgplot header files])], []) if test "x$with_pgplotinc" != x ; then PGPLOT_INCDIRS="$with_pgplotinc" fi PGPLOT_INCDIRS="$PGPLOT_INCDIRS \ /usr/local/pgplot/include \ /local/pgplot/include" LIBDIRS="$LIBDIRS \ /usr/local/pgplot/lib \ /local/pgplot/lib" fi if test "x$with_cfitsio" != xno -o \ "x$with_pgplot" != xno ; then LIBDIRS="$LIBDIRS \ /usr/local/lib \ /local/lib \ /opt/local/lib \ /opt/SUNWspro/lib \ /sw/lib" for LIBDIR in $LIBDIRS ; do AC_CHECK_FILE([$LIBDIR], [LDFLAGS="$LDFLAGS -L$LIBDIR"], [continue]) done # Generic include directories. INCDIRS="/usr/local/include \ /local/include \ /opt/local/include \ /sw/include \ /local \ /usr/include" # CFITSIO. if test "x$with_cfitsio" != xno ; then # Search for CFITSIO. for INCDIR in $CFITSIO_INCDIRS $INCDIRS ; do AC_CHECK_FILE([$INCDIR/cfitsio/fitsio.h], [CFITSIOINC="-I$INCDIR/cfitsio"; break]) AC_CHECK_FILE([$INCDIR/fitsio.h], [CFITSIOINC="-I$INCDIR"; break]) done AC_CHECK_LIB([socket], [recv], [CFITSIOLIB="-lsocket"], [], [$LIBS]) AC_CHECK_LIB([cfitsio], [ffopen], [CFITSIOLIB="-lcfitsio $CFITSIOLIB"], [], [$CFITSIOLIB $LIBS]) if test "x$CFITSIOINC" = x -o "x$CFITSIOLIB" = x; then AC_MSG_WARN([CFITSIO not found, skipping CFITSIO-dependent tests.]) else AC_MSG_NOTICE([CFITSIO appears to be available.]) AC_DEFINE([HAVE_CFITSIO], [1], [Define to 1 if CFITSIO is available.]) # Check for fits_read_wcstab, present in CFITSIO 3.004beta and later. AC_CHECK_LIB([cfitsio], [fits_read_wcstab], [GETWCSTAB=], [GETWCSTAB=getwcstab.o], [$CFITSIOLIB $LIBS]) if test "x$GETWCSTAB" != x ; then AC_MSG_WARN([fits_read_wcstab not found in CFITSIO, will use getwcstab.c to compile test programs.]) fi fi fi # PGPLOT. if test "x$F77" != x -a "x$with_pgplot" != xno ; then # Search for PGPLOT. for INCDIR in $PGPLOT_INCDIRS $INCDIRS ; do AC_CHECK_FILE([$INCDIR/pgplot/cpgplot.h], [PGPLOTINC="-I$INCDIR/pgplot"; break]) AC_CHECK_FILE([$INCDIR/cpgplot.h], [PGPLOTINC="-I$INCDIR"; break]) done # FLIBS (found above via AC_F77_LIBRARY_LDFLAGS) only helps if PGPLOT was # built using the same Fortran compiler that we are using here. # PGPLOT compiled by the SUN Fortran compiler but linked with something # else. AC_CHECK_LIB([M77], [iand_], [PGPLOTLIB="-lM77 $PGPLOTLIB"], [], [$PGPLOTLIB $LIBS]) AC_CHECK_LIB([F77], [f77_init], [PGPLOTLIB="-lF77 $PGPLOTLIB"], [], [$PGPLOTLIB $LIBS]) if test "x$F77" != xg77; then # For PGPLOT compiled with g77 but linked with something else. AC_CHECK_LIB([frtbegin], [main], [PGPLOTLIB="-lfrtbegin $PGPLOTLIB"], [], [$PGPLOTLIB $LIBS]) AC_CHECK_LIB([g2c], [gerror_], [PGPLOTLIB="-lg2c $PGPLOTLIB"], [], [$PGPLOTLIB $LIBS]) fi if test "x$F77" != xgfortran; then # For PGPLOT compiled with gfortran but linked with something else. # Note that if gfortran itself is driving the linker it can be harmful # to add -lgfortran to the link list without also adding -lgfortranbegin. # Doing so stops gfortran from adding -lgfortranbegin which is needed to # resolve "main". AC_CHECK_LIB([gfortran], [_gfortran_abort], [PGPLOTLIB="-lgfortran $PGPLOTLIB"], [], [$PGPLOTLIB $LIBS]) fi # Search for X11 includes and libraries. AC_PATH_X if test "x$no_x" = x; then if test "x$ac_x_libraries" != x ; then # Not needed for systems that keep the X11 libraries in /usr/lib. LDFLAGS="$LDFLAGS -L$ac_x_libraries" fi PGPLOTLIB="-lX11 $PGPLOTLIB" fi # It is possible that other libraries may be required depending on what # graphics drivers were installed with PGPLOT. AC_CHECK_LIB([z], [deflate], [PGPLOTLIB="-lz $PGPLOTLIB"], [], [$PGPLOTLIB $LIBS]) AC_CHECK_LIB([png], [png_error], [PGPLOTLIB="-lpng $PGPLOTLIB"], [], [$PGPLOTLIB $LIBS]) AC_CHECK_LIB([pgplot], [pgbeg_], [PGPLOTLIB="-lpgplot $PGPLOTLIB"], [], [$PGPLOTLIB $FLIBS $LIBS]) AC_CHECK_LIB([cpgplot], [cpgbeg], [PGPLOTLIB="-lcpgplot $PGPLOTLIB"], [PGPLOTLIB=], [$PGPLOTLIB $FLIBS $LIBS]) # Only need the PGPLOT include file to build PGSBOX. if test "x$PGPLOTINC" != x; then SUBDIRS="$SUBDIRS pgsbox" INSTDIR="pgsbox" fi # Also need the PGPLOT library to build pgtest and cpgtest. if test "x$PGPLOTLIB" = x; then AC_MSG_WARN([PGPLOT not found, skipping PGPLOT-dependent tests.]) else AC_MSG_NOTICE([PGPLOT appears to be available.]) TSTDIRS="$TSTDIRS pgsbox" fi fi fi # Utilities are compiled last since they need the libraries. # Ways of disabling them: # configure --disable-utils # configure --enable-utils=no AC_ARG_ENABLE([utils], [AS_HELP_STRING([--disable-utils], [don't build the WCS utilities])], []) if test "x$enable_utils" != xno ; then SUBDIRS="$SUBDIRS utils" INSTDIR="$INSTDIR utils" else AC_MSG_WARN([Compilation of WCS utilities disabled]) fi AC_SUBST([CFITSIOINC]) AC_SUBST([CFITSIOLIB]) AC_SUBST([GETWCSTAB]) AC_SUBST([PGPLOTINC]) AC_SUBST([PGPLOTLIB]) AC_SUBST([SUBDIRS]) AC_SUBST([TSTDIRS]) AC_SUBST([INSTDIR]) AC_MSG_NOTICE([End of auxiliary configuration. ]) AC_SUBST([FLAVOUR]) # Do it. AC_MSG_NOTICE([Configuring files...]) AC_CONFIG_FILES([makedefs wcslib.pc]) AC_CONFIG_HEADERS([wcsconfig.h wcsconfig_f77.h wcsconfig_tests.h wcsconfig_utils.h]) AC_OUTPUT