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configure.ac
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configure.ac
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AC_INIT([RNAxplorer],[0.9.0],[ronny@tbi.univie.ac.at],[RNAxplorer],[https://github.com/ViennaRNA/RNAxplorer])
dnl minimally required ViennaRNA version
VRNA_Version=2.4.12
AC_PREREQ([2.59])
AC_CONFIG_AUX_DIR(config)
AC_SUBST(VERSION)
AC_CONFIG_MACRO_DIR([m4])
AM_SILENT_RULES([yes])
AM_INIT_AUTOMAKE(-Wall -Werror foreign)
#Create debug conditional
# prevent setting xFLAGS to default of -g -O2
if test x"$CFLAGS" = x""; then
AC_SUBST(CFLAGS, [ ])
fi
if test x"$CPPFLAGS" = x""; then
AC_SUBST(CPPFLAGS, [ ])
fi
AC_ARG_ENABLE([debug],
AC_HELP_STRING([--enable-debug],
[compile with debug symbols @<:@default=no@:>@]),
[want_debug="$enableval"], [want_debug=no])
if test "x$want_debug" = "xyes"; then
CFLAGS="$CFLAGS -O0 -ggdb"
CPPFLAGS="$CPPFLAGS -O0 -ggdb"
AC_DEFINE([DEBUG], 1, [Define for debugging])
else
CFLAGS="$CFLAGS -O2"
CPPFLAGS="$CPPFLAGS -O2"
fi
#add lapack, (needed for multidimensional sampling)
AX_LAPACK([
AC_CHECK_HEADERS([openblas/lapacke.h lapacke/lapacke.h lapacke.h],[rx_lapacke_header=yes;break;],)
AS_IF([test "x$rx_lapacke_header" = "xyes"],[
LDFLAGS="$LDFLAGS -llapack"
],[
AC_MSG_ERROR([could not find lapacke.h])
])
],[AC_MSG_ERROR([could not find required version of Lapack library])])
AC_PROG_CC
AC_PROG_CPP
AC_PROG_CXX
AC_PROG_INSTALL
AM_PROG_CC_C_O
#Output this variables to the makefiles
AC_SUBST(VERSION)
ISODATE=`date +%Y-%m-%d`
AC_SUBST(ISODATE)
#Check headers
AC_CHECK_HEADERS(malloc.h strings.h unistd.h)
AC_C_INLINE #check if C compiler uses INLINE
dnl create a config.h file (Automake will add -DHAVE_CONFIG_H)
AC_CONFIG_HEADERS([config.h])
AM_PROG_AR
AC_PROG_LIBTOOL
LT_INIT([pic-only, static])
AC_SUBST(LIBTOOL_DEPS)
dnl Check for OpenMP and prepare flags
AC_OPENMP
AC_SUBST(OPENMP_CFLAGS)
CPPFLAGS="$CPPFLAGS $OPENMP_CFLAGS"
LDFLAGS="$LDFLAGS $OPENMP_CFLAGS"
dnl Vienna RNA package library path support, if not installed in standard directory/path
VRNA_OK=true
AC_ARG_WITH([vrna],
AC_HELP_STRING(
[--with-vrna=PREFIX],
[Installation directory of the Vienna RNA library]
)
)
dnl require rna lib linking
ENABLE_LIBRNA=yes
dnl ------------------------------
dnl Vienna RNA lib configuration
dnl
dnl check whether pkg-config is available
AC_CHECK_PROG([PKG_CONFIG_AVAILABLE],pkg-config,[true],[false])
VRNALIB_OK=false
dnl if pkg-config is available, use it to configure the Vienna RNA library
AS_IF([test "$PKG_CONFIG_AVAILABLE" = "true"],[
dnl if with_vrna is set, then use it to set the path for pkg_config
if test "$with_vrna" != "" ; then
export PKG_CONFIG_PATH="$with_vrna/lib/pkgconfig:$PKG_CONFIG_PATH"
fi
#Search for the RNAlib2 and set variables for Makefiles if found. _CFLAGS and _LIBS can be overriden with the modue Name from PKG_CHECK_MODULES
PKG_CHECK_MODULES([RNALIB], [RNAlib2 >= $VRNA_Version],
[ AC_SUBST([RNALIB_CFLAGS])
AC_SUBST([RNALIB_LIBS])
VRNALIB_OK=true
],
[VRNALIB_OK=false])
])
dnl if pkg-config is not available or something else went wrong with pkg-config,
dnl then guess the configuration
dnl
AS_IF([test "$VRNALIB_OK" != "true" -a "$PKG_CONFIG_AVAILABLE" != "true" ],
[
AC_MSG_NOTICE([Guess the Vienna RNA library configuration:])
if test "$with_vrna" = "" ; then
if test -e "/usr/local/include/ViennaRNA" ; then
vrna_prefix="/usr/local"
else
vrna_prefix="/usr"
fi
else
vrna_prefix="$with_vrna"
fi
RNALIB_LIBS="-L$vrna_prefix/lib -lRNA"
dnl if libgomp is available, then add it to VRNA_LIBS; otherwise,
dnl assume (optimistically) that libRNA works without libgomp
dnl AC_CHECK_LIB([gomp],[main],[VRNA_LIBS="$VRNA_LIBS -lgomp"])
RNALIB_CFLAGS="-I$vrna_prefix/include"
AC_MSG_NOTICE([Guessing of ViennaRNA flags may be avoided by installing pkg-config.])
AC_CHECK_LIB([RNA],[vrna_fold],[VRNALIB_OK=true],[VRNALIB_OK=false])
])
AS_IF([test "$VRNALIB_OK" != "true"],
[
AC_MSG_ERROR([
============================================================
The Vienna RNA library (>= $VRNA_Version) could not be found!
Please install it to a standard location or
specify its path with --with-vrna=<path-to-viennaRNA>!
============================================================
])
])
# add vrna to libs
LIBS="$RNALIB_LIBS $LIBS"
dnl Checks for libraries.
AC_CHECK_LIB([m], [exp])
dnl Checks for header files.
AC_HEADER_STDC
AC_CHECK_HEADERS([malloc.h float.h limits.h stdlib.h string.h strings.h unistd.h unistd.h math.h])
dnl ----------------------------------------
dnl for Vienna RNA
dnl defines HAVE_STRDUP if strdup is available
AC_CHECK_FUNCS([strdup])
###############################################################################
# help2man check
###############################################################################
AX_PROG_HELP2MAN([src/RNAxplorer])
AC_CONFIG_FILES([doc/Makefile])
AC_RXP_INIT
AC_OUTPUT([packaging/RNAxplorer.spec packaging/PKGBUILD])
AC_RXP_NOTICE