#!/bin/sh -e

DEB_HOST_MULTIARCH=x86_64-linux-gnu

SONAME=3.16

PETSC_VERSION=3.16.6
PETSC_ARCH=${DEB_HOST_MULTIARCH}
PETSC_COMPLEX_ARCH=${PETSC_ARCH}-complex
PETSC_VERSION_NUMBER=$( echo ${PETSC_VERSION} | sed "s/\.//g" )
PETSC_SONAME_VERSION=3.16
PETSC64_NAME=petsc64-${PETSC_SONAME_VERSION}

PETSC64_DIR_COMPLEX=/usr/lib/petscdir/${PETSC64_NAME}/${PETSC_COMPLEX_ARCH}

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

# alternative default petsc (e.g. real or complex)
update-alternatives --install /usr/lib/petsc64 petsc64 ${PETSC64_DIR_COMPLEX} ${PETSC_VERSION_NUMBER}73 \
  --slave /usr/lib/${DEB_HOST_MULTIARCH}/libpetsc64.so libpetsc64.so /usr/lib/${DEB_HOST_MULTIARCH}/libpetsc64_complex.so.${PETSC_VERSION} \
  --slave /usr/include/petsc64 petsc64include ${PETSC64_DIR_COMPLEX}/include \
  --slave /usr/lib/${DEB_HOST_MULTIARCH}/pkgconfig/PETSc64.pc PETSc64.pc ${PETSC64_DIR_COMPLEX}/lib/pkgconfig/PETSc.pc \
  --slave /usr/lib/${DEB_HOST_MULTIARCH}/pkgconfig/petsc64.pc petsc64.pc ${PETSC64_DIR_COMPLEX}/lib/pkgconfig/petsc.pc \
  --slave /usr/share/octave/site/m/petsc64 petsc64-octave ${PETSC64_DIR_COMPLEX}/share/petsc/matlab

# alternative base version of petsc64 complex
update-alternatives --install /usr/lib/${DEB_HOST_MULTIARCH}/libpets64c_complex.so libpetsc64_complex.so /usr/lib/${DEB_HOST_MULTIARCH}/libpetsc64_complex.so.${PETSC_VERSION} ${PETSC_VERSION_NUMBER}73 \
 --slave /usr/lib/petscdir/petsc64-complex petsc64-complex ${PETSC64_DIR_COMPLEX}

# alternative petsc for this X.Y soname (e.g. real or complex)
update-alternatives --install /usr/lib/petscdir/64-${SONAME} petsc64-${SONAME} ${PETSC64_DIR_COMPLEX} ${PETSC_VERSION_NUMBER}73

fi