From a5ce3a08218e16a6f8f1ab008a544e51897a17d5 Mon Sep 17 00:00:00 2001
From: Pietro Incardona <i-bird@private-incardon-3.mpi-cbg.de>
Date: Wed, 8 Jun 2016 17:17:58 +0200
Subject: [PATCH] Adding missing file
---
m4/ax_petsc_lib.m4 | 142 +++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 142 insertions(+)
create mode 100755 m4/ax_petsc_lib.m4
diff --git a/m4/ax_petsc_lib.m4 b/m4/ax_petsc_lib.m4
new file mode 100755
index 000000000..ed14c831b
--- /dev/null
+++ b/m4/ax_petsc_lib.m4
@@ -0,0 +1,142 @@
+# ===========================================================================
+# http://www.gnu.org/software/autoconf-archive/ax_lib_petsc.html
+# ===========================================================================
+#
+# SYNOPSIS
+#
+# AX_LIB_PETSC()
+#
+# DESCRIPTION
+#
+# This macro provides tests of the availability of PETSC library.
+#
+#
+# The macro adds a --with-petsc option accepting one of three values:
+#
+# no - do not check for the PETSC library.
+# yes - do check for PETSC library in standard locations.
+# path - complete path to the PETSC library.
+#
+# If PETSC is successfully found, this macro calls
+#
+# AC_SUBST(PETSC_INCLUDE)
+# AC_SUBST(PETSC_LIB)
+# AC_DEFINE(HAVE_PETSC)
+#
+# and sets with_petsc="yes"
+#
+# If PETSC is disabled or not found, this macros sets with_petsc="no"
+#
+# Your configuration script can test $with_petsc to take any further
+# actions. PETSC_{INCLUDE,LIB} may be used when building with C or C++.
+#
+# To use the macro, one would code one of the following in "configure.ac"
+# before AC_OUTPUT:
+#
+# 1) dnl Check for PETSC support
+# AX_LIB_PETSC()
+#
+# One could test $with_petsc for the outcome or display it as follows
+#
+# echo "PETSC support: $with_petsc"
+#
+# You could also for example, override the default CC in "configure.ac"
+#
+# LICENSE
+#
+# Copyright (c) 2009 Timothy Brown <tbrown@freeshell.org>
+# Copyright (c) 2010 Rhys Ulerich <rhys.ulerich@gmail.com>
+#
+# Copying and distribution of this file, with or without modification, are
+# permitted in any medium without royalty provided the copyright notice
+# and this notice are preserved. This file is offered as-is, without any
+# warranty.
+
+#serial 12
+
+AC_DEFUN([AX_LIB_PETSC], [
+ AC_MSG_CHECKING(for PETSC library)
+ AC_REQUIRE([AC_PROG_CC])
+ #
+ # User hints...
+ #
+ AC_ARG_VAR([PETSC], [PETSC library location])
+ AC_ARG_WITH([petsc],
+ [AC_HELP_STRING([--with-petsc],
+ [user defined path to PETSC library])],
+ [
+ if test -n "$PETSC" ; then
+ AC_MSG_RESULT(yes)
+ with_petsc=$PETSC
+ elif test "$withval" != no ; then
+ AC_MSG_RESULT(yes)
+ with_petsc=$withval
+ else
+ AC_MSG_RESULT(no)
+ fi
+ ],
+ [
+ if test -n "$PETSC" ; then
+ with_petsc=$PETSC
+ AC_MSG_RESULT(yes)
+ else
+ with_petsc=/usr
+ if test ! -f "$with_petsc/include/petsc.h" ; then
+ with_petsc=/usr/local
+ if test ! -f "$with_petsc/include/petsc.h" ; then
+ with_petsc=""
+ AC_MSG_RESULT(failed)
+ else
+ AC_MSG_RESULT(yes)
+ fi
+ else
+ AC_MSG_RESULT(yes)
+ fi
+ fi
+ ])
+ #
+ # locate PETSC library
+ #
+
+ if test -n "$with_petsc" ; then
+ old_CC=$CC
+ old_CFLAGS=$CFLAGS
+ old_LDFLAGS=$LDFLAGS
+ CFLAGS="-I$with_petsc/include $HDF5_INCLUDE $METIS_INCLUDE "
+ LDFLAGS="-L$with_petsc/lib $HDF5_LDFLAGS $HDF5_LIBS $METIS_LIB -lmetis "
+ CC=$CXX
+
+ AC_LANG_SAVE
+ AC_LANG_C
+
+ AC_CHECK_HEADER([petsc.h],petsc_h=yes,## Copy LIB and include in the target directory
+AC_MSG_WARN([could not find header file petsc.h]))
+ AC_CHECK_LIB([petsc],[PetscTrMalloc],petsc_lib=yes,AC_MSG_WARN([could not find libpetsc]))
+
+ AC_LANG_RESTORE
+
+ CFLAGS=$old_CFLAGS
+ LDFLAGS=$old_LDFLAGS
+ CC=$old_CC
+
+ AC_MSG_CHECKING(PETSC in $with_petsc)
+ if test x"$petsc_lib" = x"yes" -a x"$petsc_h" = x"yes" ; then
+ AC_SUBST(PETSC_INCLUDE, [-I$with_petsc/include])
+ AC_SUBST(PETSC_LIB, ["-L$with_petsc/lib -lpetsc"])
+ AC_MSG_RESULT(ok)
+ AC_DEFINE(HAVE_PETSC,1,[Define if you have PETSC library])
+ else
+ AC_MSG_RESULT(failed)
+ fi
+ fi
+ #
+ #
+ #
+ if test x = x"$PETSC_LIB" ; then
+ ifelse([$2],,[],[$2])
+ :
+ else
+ ifelse([$1],,[],[$1])
+ :
+ fi
+ ])dnl AX_LIB_PETSC
--
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