#!/bin/sh -e

DEB_HOST_MULTIARCH=x86_64-linux-gnu

SONAME=3.16

SLEPC_VERSION=3.16.2
SLEPC_ARCH=${DEB_HOST_MULTIARCH}
SLEPC_COMPLEX_ARCH=${SLEPC_ARCH}-complex
SLEPC_VERSION_NUMBER=$( echo ${SLEPC_VERSION} | sed "s/\.//g" )
SLEPC_SONAME_VERSION=3.16
SLEPC64_NAME=slepc64-${SLEPC_SONAME_VERSION}

SLEPC64_DIR_COMPLEX=/usr/lib/slepcdir/${SLEPC64_NAME}/${SLEPC_COMPLEX_ARCH}

# Make alternatives links
if [ "$1" = "configure" ]; then

# alternative default slepc64 (e.g. real or complex)
update-alternatives --install /usr/lib/slepc64 slepc64 ${SLEPC64_DIR_COMPLEX} ${SLEPC_VERSION_NUMBER}73 \
  --slave /usr/lib/${DEB_HOST_MULTIARCH}/libslepc64.so libslepc64.so /usr/lib/${DEB_HOST_MULTIARCH}/libslepc64_complex.so.${SLEPC_VERSION} \
  --slave /usr/include/slepc64 slepc64include ${SLEPC64_DIR_COMPLEX}/include \
  --slave /usr/lib/${DEB_HOST_MULTIARCH}/pkgconfig/slepc64.pc slepc64.pc ${SLEPC64_DIR_COMPLEX}/lib/pkgconfig/slepc.pc \
  --slave /usr/lib/${DEB_HOST_MULTIARCH}/pkgconfig/SLEPc64.pc SLEPc64.pc ${SLEPC64_DIR_COMPLEX}/lib/pkgconfig/slepc.pc

# alternative base version of slepc64 complex
update-alternatives --install /usr/lib/${DEB_HOST_MULTIARCH}/libslepc64_complex.so libslepc64_complex.so /usr/lib/${DEB_HOST_MULTIARCH}/libslepc64_complex.so.${SLEPC_VERSION} ${SLEPC_VERSION_NUMBER}77 \
  --slave /usr/lib/slepcdir/slepc64-complex slepc64-complex ${SLEPC64_DIR_COMPLEX}

# alternative slepc64 for this X.Y soname (e.g. real or complex)
update-alternatives --install /usr/lib/slepcdir/64bit-${SONAME} slepc64-${SONAME} ${SLEPC64_DIR_COMPLEX} ${SLEPC_VERSION_NUMBER}73

fi