PSS configure.ac

dnl --------------------------------
dnl Initialization macros.
dnl --------------------------------


#gap as instructed by autoreconf:
AC_CONFIG_MACRO_DIR([m4])


# The file passed into the following macro must exist or it will fail
AC_INIT(src/matrixlib.h)
# Store the config files in a separate subdirectory
AC_CONFIG_AUX_DIR(linux/config)
# Get the host system information to enable Mac OS X define checking
AC_CANONICAL_HOST
# if we're using autoconf, we assume (for now) that we're on a unix system. I.E., on windows we'll use Visual Studio
AC_DEFINE([ML_OS_UNIX], [], [UNIX OS])
AC_LANG_CPLUSPLUS

# check the host information acquired above and #define ML_OS_MACOSX if appropriate
host_is_mac=no
case "$host_os" in
        *darwin*)
            host_is_mac=yes
            AC_DEFINE([ML_OS_MACOSX], [], [Mac OS X])
            LFLAGS="${LFLAGS} -framework Accelerate"
            CXXFLAGS="-falign-loops=16 ${CXXFLAGS}"
        ;;
        *linux*)
            AC_DEFINE([ML_OS_LINUX], [], [Linux OS])
        ;;
        cygwin)
            AC_DEFINE([ML_OS_LINUX], [], [Linux OS])
            AC_DEFINE([ML_OS_CYGWIN], [], [Cygwin OS])
            AC_DEFINE([ML_OS_UNIX], [], [Unix OS])
    ;;
        *)
        ;;
esac

AC_MSG_ERROR([Canonical host info  $host_cpu $host_vendor $host_os])

CXXFLAGS="-Wall -Wno-deprecated -O3 ${CXXFLAGS}"

# create a special configuration header for automake that will contain all preprocessor #defines
AM_CONFIG_HEADER(config.h)
AM_CONFIG_HEADER(src/matrix.h)
# need config.h in one more place (with differnent name)
AC_CONFIG_HEADER(ml_os_defines.h:config.h.in)

dnl --------------------------------
dnl Compile time options.
dnl --------------------------------

AC_CHECK_HEADER([math.h], , [])

AC_ARG_ENABLE([dbg],
    AC_HELP_STRING([--enable-dbg], [Enable debug information in library, default=no]),
    enable_dbg=$enableval, enable_dbg=no)
if test "$enable_dbg" = yes; then
    CXXFLAGS="${CXXFLAGS} -g"
fi

AC_ARG_ENABLE([dbgwarn],
    AC_HELP_STRING([--enable-dbgwarn], [Enable debug warnings, default=no]),
    enable_dbgwarn=$enableval, enable_dbgwarn=no)
if test "$enable_dbgwarn" = yes; then
    AC_DEFINE([ML_ERR_WARN], [], [Display debug information for inappropriate matrix usage.])
    CXXFLAGS="${CXXFLAGS} -g -O0"
fi

AC_ARG_ENABLE([dbgabrt],
    AC_HELP_STRING([--enable-dbgabrt], [Enable debug SIGABRT, default=no]),
    enable_dbgabrt=$enableval, enable_dbgabrt=no)
if test "$enable_dbgabrt" = yes; then
    AC_DEFINE([ML_ERR_WARN], [], [Display debug information for inappropriate matrix usage.])
    AC_DEFINE([ML_ERR_ABRT], [], [Deliver SIGABRT on inappropriate matrix usage.])
    CXXFLAGS="${CXXFLAGS} -g -O0"
fi

AC_ARG_ENABLE([blas],
    AC_HELP_STRING([--enable-blas], [Enable use of a local BLAS library, if found, default=no]),
    enable_blas=$enableval, enable_blas=no)
if test "$enable_blas" = yes; then
    AC_DEFINE([ML_USE_BLAS], [], [Use the BLAS if detected.])
fi

AC_ARG_ENABLE([lapack],
    AC_HELP_STRING([--enable-lapack], [Enable use of a local LAPACK library, if found; implies --enable-blas=yes, default=no]),
    enable_lapack=$enableval, enable_lapack=no)
if test "$enable_lapack" = yes; then
    AC_DEFINE([ML_USE_BLAS], [], [Use the BLAS if detected.])
    AC_DEFINE([ML_USE_LAPACK], [], [Use the LAPACK if detected.])
fi

AC_ARG_ENABLE([rowmajor],
    AC_HELP_STRING([--enable-rowmajor], [Cause the library to use a row-major storage format rather than column major, default=no]),
    enable_rowmajor=$enableval, enable_rowmajor=no)
if test "$enable_rowmajor" = no; then
    AC_DEFINE([ML_COLUMN_MAJOR], [], [Column major storage format.])
fi

AC_ARG_ENABLE([demo],
    AC_HELP_STRING([--enable-demo], [Cause the library to use a row-major storage format rather than column major, default=no]),
    enable_demo=$enableval, enable_demo=no)
if test "$enable_rowmajor" = yes; then
    AC_DEFINE([ML_DEMO], [], [Demo version.])
fi


dnl -----------------------------------------------
dnl Package name and version number (user defined)
dnl -----------------------------------------------

#release versioning
ML_MAJOR_VERSION=3
ML_MINOR_VERSION=0
ML_MICRO_VERSION=0

# the base form of the library name (minus "lib", suffix (dylib/la) and version info
ML_LIBRARY_NAME=pssmatrix
ML_RELEASE=$ML_MAJOR_VERSION.$ML_MINOR_VERSION.$ML_MICRO_VERSION
AC_SUBST(ML_LIBRARY_NAME)
AC_SUBST(ML_RELEASE)

AC_DEFINE_UNQUOTED([ML_VERSION_STRING], "$ML_LIBRARY_NAME $ML_RELEASE", [Version information])
AC_DEFINE_UNQUOTED([ML_DATE_STRING], "$(date)", [Build date])

AM_INIT_AUTOMAKE($ML_LIBRARY_NAME, $ML_RELEASE, no-define)

dnl -----------------------------------------------
dnl Checks for programs.
dnl -----------------------------------------------

# make sure we have a c compiler (generally gcc)
AC_PROG_CXX
AC_PROG_CC
# make sure we have libtool
#AC_DISABLE_STATIC
AM_PROG_LIBTOOL

dnl -----------------------------------------------
dnl Checks for libraries.
dnl -----------------------------------------------

AC_CHECK_LIB([c], [fopen])

# make sure the standard headers are present
AC_HEADER_STDC
# we also need these headers
AC_CHECK_HEADERS([stdlib.h string.h sys/time.h math.h ctype.h assert.h], , [AC_MSG_ERROR([Unable to locate required header.])])

dnl -----------------------------------------------
dnl Checks for typedefs, structures, and compiler characteristics.
dnl -----------------------------------------------

AC_HEADER_STDBOOL
AC_C_CONST
AC_C_INLINE
AC_TYPE_MODE_T
AC_TYPE_PID_T
AC_TYPE_SIZE_T
AC_HEADER_TIME
AC_STRUCT_TM

dnl -----------------------------------------------
dnl Checks for library functions.
dnl -----------------------------------------------

AC_FUNC_MALLOC
AC_FUNC_REALLOC
AC_CHECK_FUNCS([memset sqrt])

dnl -----------------------------------------------
dnl Generates Makefile's, configuration files and scripts
dnl -----------------------------------------------

AC_OUTPUT(Makefile \
         src/Makefile
)