/usr/lib/petscdir/3.4.2/aclocal/petsc.m4 is in libpetsc3.4.2-dev 3.4.2.dfsg1-8.1+b1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 | dnl PETSc checks by Adam Powell last modified 2002-10-15
dnl Copyright 2002 Adam Powell, redistributable under the terms of the GNU
dnl General Public License version 2 or later.
dnl Note: to use these, one must put:
dnl include $(PETSC_DIR)/conf/base
dnl very high in the Makefile.am of the directory where the links are made to
dnl PETSc libraries. This will then allow the use of variables like
dnl $(PETSC_DM_LIB) in _LIBADD fields.
dnl See the illuminator package for a good example of this.
AC_DEFUN([PETSC_CHECKS],[
dnl PETSc checks, with defaults for PETSC_DIR, PETSC_ARCH and BOPT.
dnl Note: this trusts PETSc to provide valid flags and libs for
dnl BLAS/LAPACK and MPI. I don't see an easy way to verify this.
AC_CHECK_FILE($PETSC_DIR/bin/petscarch, , [
AC_CHECK_FILE(/usr/lib/petsc/bin/petscarch,
PETSC_DIR=/usr/lib/petsc,
AC_MSG_ERROR(Cannot find petscarch, please set PETSC_DIR for your PETSc install.))])
AC_SUBST(PETSC_DIR)
AC_CHECK_PROG(PETSC_ARCH, petscarch, `petscarch`, ,
$PETSC_DIR/bin, /usr/bin)
AC_SUBST(PETSC_ARCH)
AC_CHECK_FILE($PETSC_DIR/$PETSC_ARCH/lib/libpetsc.a, ,
AC_MSG_ERROR(Library libpetsc.a does not seem to be installed.))
dnl And now, the lib defs
MATH_BLASLAPACK_CHECKS
PETSC_X11_LIBS="-L/usr/X11R6/lib -lX11"
dnl This is wrong, or rather, only right for one MPI configuration.
dnl Will have to change it so the PETSc package sets it properly.
PETSC_MPI_LIBS="-lmpi"
dnl This kind of mirrors conf/variables, though only for .m4
dnl files; makefiles should include "$(PETSC_DIR)/conf/base"
dnl and use e.g. ${PETSC_DM_LIB} etc.
PETSC_LIBDIR="$PETSC_DIR/$PETSC_ARCH/lib"
PETSC_EXTERNAL_LIBS="$PETSC_MPI_LIBS $PETSC_X11_LIBS $BLASLAPACK_LIBS -lhdf5 -lstdc++"
dnl Basic check
aLIBS="$LIBS"
LIBS="$aLIBS -L$PETSC_LIBDIR $PETSC_EXTERNAL_LIBS"
AC_CHECK_LIB(petsc, PetscPrintf, ,
AC_MSG_ERROR("PETSc libraries not found"))
LIBS="$aLIBS"
dnl And lots of definitions
PETSC_SYS_LIB_BASIC="-lpetsc $PETSC_EXTERNAL_LIBS"
PETSC_VEC_LIB_BASIC="-lpetscvec $PETSC_SYS_LIB_BASIC"
PETSC_MAT_LIB_BASIC="-lpetscmat $PETSC_VEC_LIB_BASIC"
PETSC_DM_LIB_BASIC="-lpetscdm $PETSC_MAT_LIB_BASIC"
PETSC_KSP_LIB_BASIC="-lpetscksp $PETSC_DM_LIB_BASIC"
PETSC_SNES_LIB_BASIC="-lpetscsnes $PETSC_KSP_LIB_BASIC"
PETSC_TS_LIB_BASIC="-lpetscts $PETSC_SNES_LIB_BASIC"
dnl These are the ones to use in other m4 tests
PETSC_SYS_LIB="-L$PETSC_LIBDIR $PETSC_SYS_LIB_BASIC"
PETSC_VEC_LIB="-L$PETSC_LIBDIR $PETSC_VEC_LIB_BASIC"
PETSC_MAT_LIB="-L$PETSC_LIBDIR $PETSC_MAT_LIB_BASIC"
PETSC_DM_LIB="-L$PETSC_LIBDIR $PETSC_DM_LIB_BASIC"
PETSC_KSP_LIB="-L$PETSC_LIBDIR $PETSC_KSP_LIB_BASIC"
PETSC_SNES_LIB="-L$PETSC_LIBDIR $PETSC_SNES_LIB_BASIC"
PETSC_TS_LIB="-L$PETSC_LIBDIR $PETSC_TS_LIB_BASIC"
])
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