Merge branch 'config_leftover' into 'master'

Clean-up and gitignore a.out.

See merge request dkrz-sw/sct!6

.gitignore

@@ -41,6 +41,7 @@ Makefile
 Doxyfile
 stamp-h1
 stamp-h2
+a.out
 
 # Common files created by make
 
@@ -48,3 +49,7 @@ stamp-h2
 *.lo
 *.la
 *.o
+
+# Files created by MacOS
+*.dSYM
+.DS_Store

autogen.sh

@@ -6,7 +6,7 @@ verlte() {
 
 autoreconf -fvi || exit $?
 
-libtool_version=`libtool --version | awk 'NR==1 {print $4}'`
+libtool_version=`{ libtool --version 2>/dev/null || glibtool --version 2>/dev/null; } | awk 'NR==1 {print $4}'`
 
 verlte $libtool_version 2.4.2 && {
   # fix m4/libtool.m4 for nagfor sharedflag

configure.ac

@@ -21,6 +21,8 @@ AM_EXTRA_RECURSIVE_TARGETS([doc])
 AC_CONFIG_SRCDIR([src/sct_reporter.c])
 
 LT_INIT([pic-only])
+dnl Clean up after Libtool checks for C compiler:
+rm -f a.out
 
 #
 # information on the package
@@ -171,6 +173,8 @@ AX_PROG_CC_MPI([test x"$mpi" != xfalse],
                 fi])
 
 AC_PROG_FC
+dnl Clean up after Libtool checks for Fortran compiler:
+rm -f a.out
 AX_PROG_FC_MPI([test x"$mpi" != xfalse],
                [],
                [if test x"$mpi" = xtrue; then