dnl ---------------------------------------------------------------------- dnl Process this file with autoconf to produce configure. dnl dnl Copyright (C) 2000 National Center for Supercomputing Applications. dnl All rights reserved. dnl ---------------------------------------------------------------------- dnl ---------------------------------------------------------------------- dnl Initialize configure. dnl AC_REVISION($Id$) AC_INIT(src/HDF5.f90) AC_CONFIG_HEADER(src/H5config.h) AC_CONFIG_AUX_DIR(../bin) AC_CANONICAL_HOST AC_SUBST(CPPFLAGS) dnl ---------------------------------------------------------------------- dnl HDF5 integer variables for the H5fortran_types.f90 file. dnl AC_SUBST(R_LARGE) AC_SUBST(R_INTEGER) AC_SUBST(HSIZE_T) AC_SUBST(HSSIZE_T) AC_SUBST(HID_T) AC_SUBST(SIZE_T) AC_SUBST(OBJECT_NAMELEN_DEFAULT_F) dnl ---------------------------------------------------------------------- dnl Dump all shell variables values. dnl AC_MSG_CHECKING(shell variables initial values) set >&5 AC_MSG_RESULT(done) dnl ---------------------------------------------------------------------- dnl Where is the root of the source tree. Give an absolute address so dnl we can find it no matter which directory of the distribution is our dnl current directory. The built-in pwd fails on some systems, but the dnl /bin/pwd version works OK. dnl if test -x "/bin/pwd"; then pwd=/bin/pwd else pwd=pwd fi AC_SUBST(ROOT) ROOT=`$pwd` dnl ---------------------------------------------------------------------- dnl Check that the cache file was build on the same host as what we're dnl running on now. dnl AC_CACHE_CHECK(for cached host,hdf5_cv_host,hdf5_cv_host="none"); if test "X$hdf5_cv_host" = "Xnone"; then hdf5_cv_host=$host elif test "$hdf5_cv_host" != "$host"; then echo "The config.cache file was generated on $hdf5_cv_host but" echo "this is $host. Please remove that file and try again." AC_MSG_ERROR(config.cache file is invalid) fi dnl ---------------------------------------------------------------------- dnl Source any special files that we need. These files normally aren't dnl present but can be used by the maintainers to fine tune things like dnl turning on debug or profiling flags for the compiler. The search order dnl is: dnl dnl CPU-VENDOR-OS dnl VENDOR-OS dnl CPU-OS dnl CPU-VENDOR dnl OS dnl VENDOR dnl CPU dnl dnl If the `OS' ends with a version number then remove it. For instance, dnl `freebsd3.1' would become `freebsd' case "$host_os" in aix4.*) host_os_novers=aix4.x ;; freebsd*) host_os_novers=freebsd ;; irix5.*) host_os_novers=irix5.x ;; irix6.*) host_os_novers=irix6.x ;; osf4.*) host_os_novers=osf4.x ;; osf5.*) host_os_novers=osf5.x ;; solaris2.*) host_os_novers=solaris2.x ;; *) host_os_novers=$host_os ;; esac host_config="none" for f in $host_cpu-$host_vendor-$host_os \ $host_cpu-$host_vendor-$host_os_novers \ $host_vendor-$host_os \ $host_vendor-$host_os_novers \ $host_cpu-$host_os \ $host_cpu-$host_os_novers \ $host_cpu-$host_vendor \ $host_os \ $host_os_novers \ $host_vendor \ $host_cpu ; do AC_MSG_CHECKING(for config $f) if test -f $srcdir/config/$f; then host_config=$srcdir/config/$f AC_MSG_RESULT(found) break fi AC_MSG_RESULT(no) done if test "X$host_config" != "Xnone"; then CC_BASENAME="`echo $CC |cut -f1 -d' ' |xargs basename 2>/dev/null`" . $host_config fi dnl ---------------------------------------------------------------------- dnl Check for programs. dnl AC_PROG_CC AC_PROG_CPP dnl this is checked for when AC_HEADER_STDC is done CC_BASENAME="`echo $CC |cut -f1 -d' ' |xargs basename 2>/dev/null`" AC_PROG_MAKE_SET AC_PROG_INSTALL AM_PROG_LIBTOOL dnl ---------------------------------------------------------------------- dnl Check if they have Perl installed on their system. We only need Perl dnl if they're using a GNU compiler. dnl AC_SUBST(PERL) PERL="" if test "X$GCC" = "Xyes"; then AC_CHECK_PROGS(PERL, perl,, $PATH) fi if test -z "$AR"; then AC_CHECK_PROGS(AR,ar xar,:,$PATH) fi AC_SUBST(AR) dnl ---------------------------------------------------------------------- dnl Sometimes makes think the `.PATH:' appearing before the first rule dnl with an action should override the `all' default target. So we have dnl to decide what the proper syntax is. dnl if test -z "$SEARCH"; then AC_MSG_CHECKING(how make searches directories) while true; do #for break dnl The most common method is `VPATH=DIR1 DIR2 ...' cat >maketest </dev/null 2>&1; then SEARCH_RULE='VPATH=' SEARCH_SEP=' ' AC_MSG_RESULT([VPATH=DIR1 DIR2 ...]) break fi dnl The second most common method is like above except with the dnl directories separated by colons. cat >maketest </dev/null 2>&1; then SEARCH_RULE='VPATH=' SEARCH_SEP=':' AC_MSG_RESULT([VPATH=DIR1:DIR2:...]) break fi dnl pmake uses the construct `.PATH: DIR1 DIR2 cat >maketest </dev/null 2>&1; then SEARCH_RULE='.PATH: ' SEARCH_SEP=' ' AC_MSG_RESULT([.PATH: DIR1 DIR2 ...]) break fi dnl No way for make to search directories SEARCH_RULE='## SEARCH DISABLED: ' SEARCH_SEP=' ' AC_MSG_RESULT([it doesn't]) if test ! -f configure; then AC_MSG_ERROR(${MAKE-make} requires the build and source directories to be the same) fi break done rm maketest fi dnl ---------------------------------------------------------------------- dnl If we should build only static executables dnl AC_MSG_CHECKING(if should build only statically linked executables) AC_ARG_ENABLE(static_exec, [ --enable-static-exec Build only statically linked executables [default=no]], STATIC_EXEC=$enableval) if test "X$STATIC_EXEC" = "Xyes"; then echo "yes" LT_STATIC_EXEC="-all-static" else echo "no" LT_STATIC_EXEC="" fi AC_SUBST(LT_STATIC_EXEC) dnl ---------------------------------------------------------------------- dnl Check for a Fortran 9X compiler, how to optimize it, and how to dnl include modules. dnl AC_PROG_F9X dnl AC_F9X_OPT_FLAGS AC_F9X_MODS dnl Change back to the C language AC_LANG_C dnl ---------------------------------------------------------------------- dnl Checks for libraries. dnl dnl Is the GNU zlib present? It has a header file `zlib.h' and a library dnl `-lz' and their locations might be specified with the `--enable-zlib' dnl command-line switch. The value is an include path and/or a library path. dnl If the library path is specified then it must be preceded by a comma. dnl If the presence of zlib is already cached by the top-level configure, dnl then "uncache" it so that we will go through this logic in any case. dnl Some systems where you need to specify exactly where the zlib is need dnl this. ac_cv_lib_z_compress="" AC_ARG_WITH(zlib, [ --with-zlib[=DIR] Use the GNU zlib compression],, withval=yes) case "$withval" in yes) AC_CHECK_HEADERS(zlib.h) AC_CHECK_LIB(z, compress) ;; no) AC_MSG_CHECKING(for GNU zlib) AC_MSG_RESULT(suppressed) ;; *) case "$withval" in *,*) zlib_inc="`echo $withval |cut -f1 -d,`" zlib_lib="`echo $withval |cut -f2 -d, -s`" ;; *) if test -n "$withval"; then zlib_inc="$withval/include" zlib_lib="$withval/lib" fi ;; esac saved_CPPFLAGS="$CPPFLAGS" saved_LDFLAGS="$LDFLAGS" if test -n "$zlib_inc"; then CPPFLAGS="$CPPFLAGS -I$zlib_inc" fi AC_CHECK_HEADERS(zlib.h,, CPPFLAGS="$saved_CPPFLAGS") if test -n "$zlib_lib"; then LDFLAGS="$LDFLAGS -L$zlib_lib" fi AC_CHECK_LIB(z, compress2,, LDFLAGS="$saved_LDFLAGS") ;; esac dnl ---------------------------------------------------------------------- dnl Checks for header files. dnl dnl Checkpoint the cache AC_CACHE_SAVE dnl ---------------------------------------------------------------------- dnl The following variables are used to distinguish between building a dnl serial and parallel library. dnl dnl HAVE_PARALLEL -- defined in H5config.h if we are building dnl a parallel library even if configure wasn't dnl able to find some header file or library that dnl might be required. This is defined if the dnl compiler looks like a parallel compiler (e.g., dnl mpicc or mpcc) or if the user explicitly states dnl that a parallel library is being built by supplying dnl the `--enable-parallel' configure switch. dnl dnl PARALLEL -- This variable is set to a non-null value if dnl configure thinks we're compiling a parallel dnl version of the library. dnl dnl RUNSERIAL -- This is a command which will be prepended to dnl the executable name to run the executable using dnl a single process. For serial versions of the dnl library this will normally be empty. For parallel dnl versions it might be something like `mpirun -np 1'. dnl The value of this variable is substituted in *.in dnl files. dnl dnl RUNPARALLEL -- This is a command which will be prepended to dnl the executable name to run the executable on dnl multiple processors. For the serial library the dnl value will normally be the empty string. For dnl parallel library it should be something like dnl `mpi -np $$NPROCS' where NPROCS will eventually dnl contain the number of processors on which to run dnl the executable (the double dollarsigns are to dnl protect the expansion until make executes the dnl command). The value of this variable is dnl substituted in *.in files. dnl AC_SUBST(PARALLEL) AC_SUBST(RUNSERIAL) AC_SUBST(RUNPARALLEL) AC_SUBST(TESTPARALLEL) dnl ---------------------------------------------------------------------- dnl If the compiler is obviously a parallel compiler then we're building dnl a parallel version of hdf5 and should define HAVE_PARALLEL. Furthermore, dnl the name of the compiler might tell us how to run the resulting dnl executable. For `mpicc' the executable should be run with `mpirun' from dnl the same directory as mpicc if it exists. dnl case "$CC_BASENAME" in mpicc) dnl The mpich compiler. Use mpirun from the same directory if it dnl exists. PARALLEL=mpicc AC_MSG_CHECKING(for mpirun) dnl Find the path where mpicc is located. cmd=`echo $CC |cut -f1 -d' '` if (echo $cmd |grep / >/dev/null); then path="`echo $cmd |sed 's/\(.*\)\/.*$/\1/'`" else for path in `echo $PATH |tr : ' '`; do if test -x $path/$cmd; then break; fi done fi dnl Is there an mpirun at that path? if test -x $path/mpirun; then AC_MSG_RESULT($path/mpirun) RUNSERIAL="${RUNSERIAL:-none}" if test -z "$RUNPARALLEL"; then RUNPARALLEL="$path/mpirun -np \$\${NPROCS:=2}" fi else AC_MSG_RESULT(none) fi ;; mpcc|mpcc_r) dnl The IBM compiler PARALLEL="$CC_BASENAME" ;; *) dnl Probably not a parallel compiler, but if `--enable-parallel' dnl is defined below then we're still building a parallel hdf5. ;; esac dnl ---------------------------------------------------------------------- dnl What header files and libraries do we have to look for for parallel dnl support? For the most part, search paths are already specified with dnl CPPFLAGS and LDFLAGS or are known to the compiler. If the user says dnl `--disable-parallel' but specifies a known parallel compiler (like mpicc dnl or mpcc) then parallel support is enabled but configure doesn't search dnl for any parallel header files or libraries. dnl AC_ARG_ENABLE(parallel, [ --enable-parallel=TYPE Search for MPI-IO and MPI support files]) AC_MSG_CHECKING(for parallel support files) case "X-$enable_parallel" in X-|X-no|X-none) dnl Either we are not compiling for parallel or the header and library dnl files and locations are known to the compiler (this is the case dnl for a correct installation of mpicc for instance). AC_MSG_RESULT(skipped) ;; X-yes) dnl We want to compile a parallel library with a compiler that dnl may already know how to link with MPI and MPI-IO. AC_MSG_RESULT(provided by compiler) PARALLEL=yes dnl Try link a simple MPI program. If fail, try again with -lmpi. AC_TRY_LINK(,MPI_Init(),,AC_CHECK_LIB(mpi,MPI_Init,,PARALLEL=no)) dnl Then try link a simple MPI-IO program. If fail, try again with dnl -lmpio. if test "X$PARALLEL" = "Xyes"; then AC_TRY_LINK(,MPI_File_open(),, AC_CHECK_LIB(mpio,MPI_File_open,,PARALLEL=no)) fi dnl Set RUNPARALLEL to mpirun if not set yet. if test "X$PARALLEL" = "Xyes" && test -z "$RUNPARALLEL"; then RUNPARALLEL="mpirun -np \$\${NPROCS:=2}" fi ;; X-mpich) dnl For normal mpich installation the compiler, mpicc, should know dnl where the MPI and MPI-IO header files are located and know which dnl extra libraries need to be linked and will supply appropriate dnl flags to the underlying compiler. AC_MSG_RESULT(mpich) AC_MSG_WARN(*** Why aren't you using an mpicc compiler? ***) dnl Apparently mpicc isn't installed correctly so configure must dnl search for the header files and libraries. Actually we only dnl have to search for the libraries in order to get the onto the dnl link line, the user will have already told us about the dnl locations. Fail if something is missing. PARALLEL=mpich AC_CHECK_LIB(mpich,MPI_Init,,AC_MSG_ERROR(no mpich library)) ;; *) AC_MSG_RESULT(error) AC_MSG_ERROR(\'$enable_parallel\' is not a valid parallel search type) ;; esac dnl ---------------------------------------------------------------------- dnl Should the `testpar' directory participate in the build? dnl if test -n "$PARALLEL"; then TESTPARALLEL=testpar fi dnl ---------------------------------------------------------------------- dnl Print some other parallel information and do some sanity checks. dnl ADD_PARALLEL_FILES="no" if test -n "$PARALLEL"; then dnl We are building a parallel library AC_DEFINE(HAVE_PARALLEL) dnl Display what we found about running programs AC_MSG_CHECKING(prefix for running on one processor) AC_MSG_RESULT($RUNSERIAL) AC_MSG_CHECKING(prefix for running in parallel) AC_MSG_RESULT($RUNPARALLEL) dnl Check that we can link a simple MPI and MPI-IO application AC_MSG_CHECKING(whether a simple MPI-IO program can be linked) AC_TRY_LINK(,[MPI_Init();MPI_File_open();], AC_MSG_RESULT(yes), AC_MSG_RESULT(no) AC_MSG_ERROR('unable to link a simple MPI-IO application')) dnl There *must* be some way to run in parallel even if it's just the dnl word `none'. if test -z "$RUNPARALLEL"; then AC_MSG_ERROR(no way to run a parallel program) fi dnl If RUNSERIAL or RUNPARALLEL is the word `none' then replace it with dnl the empty string. if test "X$RUNSERIAL" = "Xnone"; then RUNSERIAL= fi if test "X$RUNPARALLEL" = "Xnone"; then RUNPARALLEL= fi ADD_PARALLEL_FILES="yes" fi AC_SUBST(ADD_PARALLEL_FILES) AC_MSG_CHECKING(make) AC_SUBST_FILE(DEPEND) if test "`${MAKE-make} --version -f /dev/null 2>/dev/null |\ sed -n 1p|cut -c1-8`" = "GNU Make"; then AC_MSG_RESULT(GNU make) GMAKE=yes if test "X$GCC" = "Xyes"; then DEPEND=config/depend1 else DEPEND=config/depend2 fi else AC_MSG_RESULT(generic) fi dnl How do we include another file into a Makefile? if test -z "$DEPEND"; then AC_MSG_CHECKING(how to include a makefile) dnl The include file contains the target for `foo' cat >makeinc <' >maketest if (MAKE= ${MAKE-make} -f maketest foo) >/dev/null 2>&1; then AC_MSG_RESULT([.include ]) DEPEND=config/depend3 break fi dnl Most make's use `include FILE' echo 'include makeinc' >maketest if (${MAKE-make} -f maketest foo) >/dev/null 2>&1; then AC_MSG_RESULT(include FILE) DEPEND=config/depend4 break; fi dnl default AC_MSG_RESULT(you have a deficient make command) DEPEND=config/dependN break done rm makeinc maketest fi dnl Some cleanup stuff rm -f conftest core core.* *.core conftest.o conftest.c dummy.o $ac_clean_files dnl ---------------------------------------------------------------------- dnl Determine the runtime libraries we may need to include in the dnl libtools command so that executables will find the correct dynamic dnl libraries. dnl DYNAMIC_DIRS="" if test -n "$LDFLAGS"; then for d in $LDFLAGS ; do case "$d" in -L*) d=`echo $d | sed -e 's/-L//g'` case "$d" in .*) dnl If the path isn't absolute, make it so by prepending the dnl ROOT directory to it. d=${ROOT}/$d ;; esac DYNAMIC_DIRS="-R${d} $DYNAMIC_DIRS" ;; esac done fi AC_SUBST(DYNAMIC_DIRS) dnl ---------------------------------------------------------------------- dnl Build the Makefiles. Almost every Makefile.in will begin with the line dnl `@COMMENCE@' and end with the line `@CONCLUDE@'. These lines insert dnl various files from the config directory into the Makefile. dnl AC_SUBST_FILE(COMMENCE) COMMENCE=config/commence AC_SUBST_FILE(CONCLUDE) CONCLUDE=config/conclude dnl The directory search list if test -z "$SEARCH"; then AC_SUBST(SEARCH) SEARCH='$(srcdir) $(top_builddir)/src $(top_srcdir)/src' cmd='echo $SEARCH |sed "s/ /'$SEARCH_SEP'/g"' SEARCH="$SEARCH_RULE`eval $cmd`" fi dnl We don't need to say when we're entering directories if we're using dnl GNU make becuase make does it for us. if test "X$GMAKE" = "Xyes"; then AC_SUBST(SETX) SETX=":" else AC_SUBST(SETX) SETX="set -x" fi dnl Some cleanup stuff rm -f conftest conftest.o conftest.c core core.* *.core dummy.o dnl Build config.status, touch the stamp files, and build all the Makefiles. dnl The order is such that the first `make' does not need to update any dnl configuration information. See config/commence.in for the order in which dnl things need to be done. dnl First the stamp1 file for H5config.h.in mkdir ./config >/dev/null 2>&1 touch ./config/stamp1 PARALLEL_MAKE= if test -n "$TESTPARALLEL"; then PARALLEL_MAKE=$TESTPARALLEL/Makefile fi dnl Then the config.status file (but not makefiles) saved_no_create=$no_create no_create=yes AC_OUTPUT(config/depend1 config/depend2 config/depend3 config/depend4 config/dependN config/commence config/conclude Makefile src/H5fortran_types.f90 src/Makefile test/Makefile $PARALLEL_MAKE examples/Makefile) no_create=$saved_no_create dnl Then the stamp2 file for H5config.h touch ./config/stamp2 dnl Finally the makefiles test "$no_create" = yes || ${CONFIG_SHELL-/bin/sh} $CONFIG_STATUS || exit 1