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|
# adapted from configure.ac used in rgeos package (Roger Bivand)
define([pkgversion], esyscmd([sh -c "grep Version: DESCRIPTION | cut -d' ' -f2 | tr -d '\n'"]))
AC_INIT(exactextractr, [pkgversion], dbaston@isciences.com)
AC_MSG_NOTICE([${PACKAGE_NAME}: ${PACKAGE_VERSION}])
AC_CONFIG_SRCDIR(src/exact_extract.cpp)
# find R home and set correct compiler + flags
: ${R_HOME=`R RHOME`}
if test -z "${R_HOME}"; then
AC_MSG_ERROR([cannot determine R_HOME. Make sure you use R CMD INSTALL!])
fi
RBIN="${R_HOME}/bin/R"
# pick all flags for testing from R
: ${CXX=`"${RBIN}" CMD config CXX14`}
: ${CXXFLAGS=`"${RBIN}" CMD config CXX14FLAGS`}
: ${LDFLAGS=`"${RBIN}" CMD config LDFLAGS`}
if test [ -z "$CXX" ] ; then
AC_MSG_ERROR(["No C++14 compiler identified by R CMD config CXX14"])
fi
GEOS_CONFIG="geos-config"
GEOS_CONFIG_SET="no"
AC_ARG_WITH([geos-config],
AS_HELP_STRING([--with-geos-config=GEOS_CONFIG],
[the location of geos-config]),
[geos_config=$withval])
if test [ -n "$geos_config" ] ; then
GEOS_CONFIG_SET="yes"
AC_SUBST([GEOS_CONFIG],["${geos_config}"])
AC_MSG_NOTICE(geos-config set to $GEOS_CONFIG)
fi
if test ["$GEOS_CONFIG_SET" = "no"] ; then
AC_PATH_PROG([GEOS_CONFIG], ["$GEOS_CONFIG"], ["no"])
if test ["$GEOS_CONFIG" = "no"] ; then
AC_MSG_ERROR([geos-config not found or not executable])
fi
else
AC_MSG_CHECKING(geos-config exists)
if test -r "${GEOS_CONFIG}"; then
AC_MSG_RESULT(yes)
else
AC_MSG_RESULT(no)
AC_MSG_ERROR([geos-config not found - configure argument error.])
fi
AC_MSG_CHECKING(geos-config executable)
if test -x "${GEOS_CONFIG}"; then
AC_MSG_RESULT(yes)
else
AC_MSG_RESULT(no)
AC_MSG_ERROR([geos-config not executable.])
fi
fi
AC_MSG_CHECKING(geos-config usability)
if test `${GEOS_CONFIG} --version`;
then
GEOS_VER=`${GEOS_CONFIG} --version`
GEOS_VER_DOT=`${GEOS_CONFIG} --version | sed 's/[[^0-9]]*//g'`
GEOS_CXXFLAGS=`${GEOS_CONFIG} --cflags`
GEOS_CLIBS=`${GEOS_CONFIG} --clibs`
GEOS_STATIC_CLIBS=`${GEOS_CONFIG} --static-clibs | sed 's/-m/-lm/g'`
AC_MSG_RESULT(yes)
else
AC_MSG_RESULT(no)
AC_MSG_ERROR([${GEOS_CONFIG} not usable])
fi
AC_MSG_NOTICE([GEOS version: ${GEOS_VER}])
AC_MSG_CHECKING([geos version at least 3.5.0])
if test ${GEOS_VER_DOT} -lt 350 ; then
AC_MSG_RESULT(no)
AC_MSG_RESULT([Upgrade GEOS to version 3.5.0 or greater.])
else
AC_MSG_RESULT(yes)
fi
AC_MSG_CHECKING(compiling and building against geos_c)
[cat > geos_test.cpp << _EOCONF
#include <geos_c.h>
#include <iostream>
int main() {
GEOSContextHandle_t handle = initGEOS_r(NULL, NULL);
finishGEOS_r(handle);
return 0;
}
_EOCONF]
${CXX} ${CXXFLAGS} ${GEOS_CXXFLAGS} -o geos_test geos_test.cpp ${LDFLAGS} ${GEOS_CLIBS} 2> errors.txt
if test `echo $?` -ne 0 ; then
geosok=no
AC_MSG_RESULT(no)
else
CXXFLAGS="${CXXFLAGS} ${GEOS_CXXFLAGS}"
LDFLAGS="${LDFLAGS} ${GEOS_CLIBS}"
AC_MSG_RESULT(yes)
fi
if test "${geosok}" = no; then
AC_MSG_CHECKING(geos: linking with ${GEOS_STATIC_CLIBS})
${CXX} ${CXXFLAGS} ${GEOS_CXXFLAGS} -o geos_test geos_test.cpp ${GEOS_STATIC_CLIBS} 2> errors.txt
if test `echo $?` -ne 0 ; then
geosok=no
AC_MSG_RESULT(no)
cat errors.txt
AC_MSG_NOTICE([Compilation and/or linkage problems.])
AC_MSG_ERROR([initGEOS_r not found in libgeos_c.])
else
geosok=yes
CXXFLAGS="${CXXFLAGS} ${GEOS_CXXFLAGS}"
LDFLAGS="${LDFLAGS} ${GEOS_STATIC_CLIBS}"
AC_MSG_RESULT(yes)
fi
fi
rm -f geos_test errors.txt geos_test.cpp
AC_SUBST([PKG_CXX], ["${CXX}"])
AC_SUBST([PKG_CXXFLAGS], ["${CXXFLAGS}"])
AC_SUBST([PKG_LIBS], ["${LDFLAGS}"])
AC_MSG_NOTICE([PKG_CXX: ${PKG_CXX}])
AC_MSG_NOTICE([PKG_CXXFLAGS: ${PKG_CXXFLAGS}])
AC_MSG_NOTICE([PKG_LIBS: ${PKG_LIBS}])
AC_CONFIG_FILES(src/Makevars)
AC_OUTPUT
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