diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 219 |
1 files changed, 31 insertions, 188 deletions
diff --git a/configure.ac b/configure.ac index b8f1531..7b3cc2d 100644 --- a/configure.ac +++ b/configure.ac @@ -39,16 +39,17 @@ AM_INIT_AUTOMAKE([foreign]) AM_SILENT_RULES([yes]) ## AM_MAINTAINER_MODE turns off "rebuild rules" that contain dependencies -## for Makefiles, configure, src/H5config.h, etc. If AM_MAINTAINER_MODE -## is *not* included here, these files will be rebuilt if out of date. -## This is a problem because if users try to build on a machine with +## for Makefiles, configure, src/H5config.h, etc. If AM_MAINTAINER_MODE +## is enabled, these files will be rebuilt if out of date. This is a +## problem because if users try to build on a machine with ## the wrong versions of autoconf and automake, these files will be ## rebuilt with the wrong versions and bad things can happen. ## Also, CVS doesn't preserve dependencies between timestamps, so ## Makefiles will often think rebuilding needs to occur when it doesn't. -## Developers should './configure --enable-maintainer-mode' to turn on -## rebuild rules. -AM_MAINTAINER_MODE +## +## By default, it is enabled. Users can configure with +## --disable-maintainer-mode to prevent running the autotools. +AM_MAINTAINER_MODE([enable]) ## ---------------------------------------------------------------------- ## Set prefix default (install directory) to a directory in the build area. @@ -110,7 +111,7 @@ AC_SUBST([AM_CXXFLAGS]) AC_SUBST([AM_CPPFLAGS]) AC_SUBST([AM_LDFLAGS]) -## Make sure flags are set to something (otherwise macros may set them later). +## Make sure flags are initialized. AM_CFLAGS="${AM_CFLAGS}" AM_CXXFLAGS="${AM_CXXFLAGS}" AM_FCFLAGS="${AM_FCFLAGS}" @@ -193,15 +194,9 @@ AC_SUBST([UNAME_INFO]) UNAME_INFO=`uname -a` ## ---------------------------------------------------------------------- ## Some platforms have broken basename, and/or xargs programs. Check ## that it actually does what it's supposed to do. Catch this early -## since configure relies upon them heavily and there's no use continuing -## if it's broken. +## since configure and scripts relies upon them heavily and there's +## no use continuing if it's broken. ## - -## Avoid depending upon Character Ranges. -## These are defined by autoconf. -## as_cr_letters='abcdefghijklmnopqrstuvwxyz' -## as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ' - AC_MSG_CHECKING([if basename works]) BASENAME_TEST="`basename /foo/bar/baz/qux/basename_works`" if test $BASENAME_TEST != "basename_works"; then @@ -210,6 +205,7 @@ else AC_MSG_RESULT([yes]) fi +## xargs basename used in configure to get the CC_BASENAME value AC_MSG_CHECKING([if xargs works]) XARGS_TEST="`echo /foo/bar/baz/qux/xargs_works | xargs basename`" if test $XARGS_TEST != "xargs_works"; then @@ -587,6 +583,7 @@ AC_PROG_INSTALL ## ---------------------------------------------------------------------- ## Set up ${TR} which is used to process DEBUG_PKG. + AC_PATH_PROG([TR], [tr]) @@ -694,80 +691,14 @@ fi AM_CONDITIONAL([FORTRAN_SHARED_CONDITIONAL], [test "X$H5_FORTRAN_SHARED" = "Xyes"]) ## ---------------------------------------------------------------------- -## Disable C++ shared libraries if +DD64 flag is detected. -## -AC_SUBST([H5_CXX_SHARED]) -H5_CXX_SHARED="no" -if test "X${HDF_CXX}" = "Xyes" && test "X${enable_shared}" != "Xno"; then - AC_MSG_CHECKING([if shared C++ libraries are supported]) - H5_CXX_SHARED="yes" - - ## Disable C++ shared libraries if DD64 flag is being used. - - if (echo dummy ${CXX} ${CXXLD} ${CFLAGS} ${CXXFLAGS} ${LDFLAGS} | grep 'DD64') > /dev/null; then - H5_CXX_SHARED="no" - CHECK_WARN="Shared C++ libraries not currently supported with +DD64 flag." - fi - - ## Report results of check(s) - - if test "X${H5_CXX_SHARED}" = "Xno"; then - AC_MSG_RESULT([no]) - AC_MSG_WARN([$CHECK_WARN]) - if test "X${ALLOW_UNSUPPORTED}" != "Xyes"; then - AC_MSG_WARN([Disabling shared C++ libraries.]) - AC_MSG_WARN([To override this behavior, please use --enable-unsupported configure option.]) - if test "X${enable_static}" = "Xno"; then - AC_MSG_ERROR([both static and shared C++ libraries are disabled]) - fi - else - AC_MSG_WARN([Allowing unsupported C++ shared librares due to use of --enable-unsupported flag]) - fi - else - AC_MSG_RESULT([yes]) - fi -fi - -AM_CONDITIONAL([CXX_SHARED_CONDITIONAL], [test "X$H5_CXX_SHARED" = "Xyes"]) - -## ---------------------------------------------------------------------- -## pgcc version 6.0x have optimization (-O, -O2 or -O3) problem. Detect -## these versions and add option "-Mx,28,0x8" to the compiler to avoid -## the problem if optimization is enabled. -## - -if (${CC-cc} -V 2>&1 | grep '^pgcc 6.0') > /dev/null && test "X$enable_production" = "Xyes"; then - echo 'adding compiler flag to avoid optimization problem in pgcc' - CC="${CC-cc} -Mx,28,0x8" -fi - -## ---------------------------------------------------------------------- -## Shared libraries are not currently supported under Cygwin, so configure -## disables them unless --enable-unsupported has been supplied by the user. - -if test "X${ALLOW_UNSUPPORTED}" != "Xyes"; then - case "`uname`" in - CYGWIN*) - if test "X${enable_shared}" = "Xyes"; then - echo ' warning: shared libraries are not supported on Cygwin!' - echo ' disabling shared libraries' - echo ' use --enable-unsupported to override this warning and keep shared libraries enabled' - fi - enable_shared="no" - ;; - esac -fi - -## ---------------------------------------------------------------------- -## Windows won't create DLLs without the following macro. -## -AC_LIBTOOL_WIN32_DLL - -## ---------------------------------------------------------------------- ## Create libtool. If shared/static libraries are going to be enabled ## or disabled, it should happen before these macros. LT_PREREQ([2.2]) -LT_INIT([dlopen]) + +## ---------------------------------------------------------------------- +## dlopen - This will use an improved version of libtool +## win32-dll - This will build clean dlls on win32 platforms. +LT_INIT([dlopen,win32-dll]) ## ---------------------------------------------------------------------- ## Check if we should install only statically linked executables. @@ -908,32 +839,6 @@ done rm maketest ## ---------------------------------------------------------------------- -## pmake will throw an error if variables are undefined in a Makefile. -## These errors can be changed to warnings using the -V flag. -## -AC_SUBST([AM_MAKEFLAGS]) AM_MAKEFLAGS="" - -## Don't run test if MAKE is defined but is the empty string -if test -n "${MAKE-make}"; then - - AC_MSG_CHECKING([whether make will build with undefined variables]) - - cat >maketest <<EOF -foo: \$(UNDEFINED) \$(UNDEFINED2) - @echo \$(UNDEFINED3) works -EOF - - if (${MAKE-make} -f maketest foo) >/dev/null 2>&1; then - AC_MSG_RESULT([yes]) - else - AC_MSG_RESULT([no, setting -V flag]) - AM_MAKEFLAGS="\-V" - fi - - rm maketest -fi - -## ---------------------------------------------------------------------- ## Production flags? Save the value in $CONFIG_MODE so we have it for ## the record. ## @@ -989,8 +894,6 @@ if test "`uname`" = "SunOS" -o "`uname -sr`" = "HP-UX B.11.00"; then AC_CHECK_LIB([nsl], [xdr_int]) fi -dnl AC_CHECK_LIB([coug], [main]) ## ...for ASCI/Red - ## ---------------------------------------------------------------------- ## Check for system header files. ## @@ -1605,6 +1508,17 @@ AC_ARG_ENABLE([threadsafe], ## with the thread-safety option because the lock is not hoisted ## into the higher-level API calls. +## --enable-threadsafe is incompatible with --enable-hl unless +## --enable-unsupported has been specified on the configure line. +## +## Note that the high-level library is enabled by default so most +## users will have to add --disable-hl to the configure options. +if test "X${ALLOW_UNSUPPORTED}" != "Xyes"; then + if test "X${HDF5_HL}" = "Xyes" -a "X${enable_threadsafe}" = "Xyes"; then + AC_MSG_ERROR([The thread-safe library is incompatible with the high-level library. --enable-unsupported will allow building the high-level library, though this configuration is not supported by The HDF Group. Alternatively,--disable-hl can be used to prevent building the high-level library (recommended).]) + fi +fi + ## The --enable-threadsafe flag is not compatible with --enable-cxx. ## If the user tried to specify both flags, throw an error, unless ## they also provided the --enable-unsupported flag. @@ -2432,10 +2346,9 @@ fi ## ---------------------------------------------------------------------- ## Check if Direct I/O driver is enabled by --enable-direct-vfd ## - -## Check these regardless. If the checks are moved inside the main -## direct VFD block, the output is nested. - +## ---------------------------------------------------------------------- +## Check if Direct I/O driver is enabled by --enable-direct-vfd +## AC_CACHE_VAL([hdf5_cv_direct_io], AC_CHECK_DECL([O_DIRECT], [hdf5_cv_direct_io=yes], [hdf5_cv_direct_io=no], [[#include <fcntl.h>]])) AC_CACHE_VAL([hdf5_cv_posix_memalign], @@ -2588,76 +2501,6 @@ esac ## ----------------------------------------------------------------------- ## Set flag to indicate that the machine can handle conversion from -## long double to integers accurately. This flag should be set "yes" for -## all machines except all SGIs. For SGIs, some conversions are -## incorrect and its cache value is set "no" in its config/irix6.x and -## irix5.x. -## -AC_MSG_CHECKING([if converting from long double to integers is accurate]) - -if test ${ac_cv_sizeof_long_double} = 0; then - hdf5_cv_ldouble_to_integer_accurate=${hdf5_cv_ldouble_to_integer_accurate=no} -else - AC_CACHE_VAL([hdf5_cv_ldouble_to_integer_accurate], [hdf5_cv_ldouble_to_integer_accurate=yes]) -fi - -if test "${hdf5_cv_ldouble_to_integer_accurate}" = "yes"; then - AC_DEFINE([LDOUBLE_TO_INTEGER_ACCURATE], [1], - [Define if your system can convert long double to integers accurately.]) - AC_MSG_RESULT([yes]) -else - AC_MSG_RESULT([no]) -fi - -## ----------------------------------------------------------------------- -## Set flag to indicate that the machine can do conversion from -## long double to integers regardless of accuracy. This flag should be -## set "yes" for all machines except HP-UX 11.00. For HP-UX 11.00, the -## compiler has 'floating exception' when converting 'long double' to all -## integers except 'unsigned long long'. Other HP-UX systems are unknown -## yet. (1/8/05 - SLU) - -AC_MSG_CHECKING([if converting from long double to integers works]) - -if test ${ac_cv_sizeof_long_double} = 0; then - hdf5_cv_ldouble_to_integer_works=${hdf5_cv_ldouble_to_integer_works=no} -else - AC_CACHE_VAL([hdf5_cv_ldouble_to_integer_works], - [AC_TRY_RUN([ - int main(void) - { - void *align; - long double ld= 9701917572145405952.00L; - unsigned char v1; - short v2; - unsigned int v3; - int ret = 0; - - align = (void*)malloc(sizeof(long double)); - memcpy(align, &ld, sizeof(long double)); - - /*For HU-UX11.00, there's floating exception(core dump) when doing some of casting - *from 'long double' to integers*/ - v1=(unsigned char)(*((long double*)align)); - v2=(short)(*((long double*)align)); - v3=(unsigned int)(*((long double*)align)); - - done: - exit(ret); - } - ], [hdf5_cv_ldouble_to_integer_works=yes], [hdf5_cv_ldouble_to_integer_works=no],)]) -fi - -if test ${hdf5_cv_ldouble_to_integer_works} = "yes"; then - AC_DEFINE([LDOUBLE_TO_INTEGER_WORKS], [1], - [Define if your system can convert from long double to integer values.]) - AC_MSG_RESULT([yes]) -else - AC_MSG_RESULT([no]) -fi - -## ----------------------------------------------------------------------- -## Set flag to indicate that the machine can handle conversion from ## integers to long double. (This flag should be set "yes" for all ## machines except all SGIs, where some conversions are ## incorrect and its cache value is set "no" in its config/irix6.x and |