Get build working with intel compiler on COSMA

Various reorganisations to make sure that the compiler flags are not lost

Lots of compilers warnings to still resolve


Former-commit-id: 63fb4ac0f7e6f2885a11edc101108edc169f5c76

Makefile.am

@@ -16,7 +16,6 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 # Automake stuff
-AUTOMAKE_OPTIONS = gnu
 ACLOCAL_AMFLAGS = -I m4
 
 # Show the way...

configure.ac

@@ -19,8 +19,8 @@
 AC_INIT([SWIFT],[0.1.0])
 AC_CONFIG_SRCDIR([src/space.c])
 AM_INIT_AUTOMAKE
-
 AC_USE_SYSTEM_EXTENSIONS
+
 LT_INIT
 
 # my own macro collection
@@ -31,14 +31,30 @@ AM_CONFIG_HEADER(config.h)
 
 # find and test the compiler
 AC_PROG_CC
+AM_PROG_CC_C_O
+
+# Check for MPI. Need to do this before characterising the compiler (C99 mode).
+AC_ARG_ENABLE([mpi],
+    [AS_HELP_STRING([--enable-mpi],[compile with functionality for distributed-memory parallelim using MPI @<:@default=yes@:>@])],
+    [if test "x$enable_mpi" != "xno"
+     then
+        ACX_MPI([ CC="$MPICC" AC_DEFINE(HAVE_MPI,1,[Define if you have the MPI library.]) ])
+     fi],
+    [ACX_MPI([ CC="$MPICC" AC_DEFINE(HAVE_MPI,1,[Define if you have the MPI library.]) ])])
+AM_CONDITIONAL([HAVEMPI],[test -n "$MPICC"])
+
 AC_PROG_CC_C99
 AC_C_INLINE
 
-# AX_CC_MAXOPT
+AX_CC_MAXOPT
 AX_FUNC_POSIX_MEMALIGN
 AX_GCC_ARCHFLAG([no])
-AX_EXT
 
+#  Check SSE & AVX support.
+AX_EXT
+if test "$SIMD_FLAGS" != ""; then
+   CFLAGS="$CFLAGS $SIMD_FLAGS"
+fi
 
 # autoconf stuff
 AC_PROG_INSTALL
@@ -57,16 +73,15 @@ ACX_PTHREAD([LIBS="$PTHREAD_LIBS $LIBS" CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
     non-standard location.]))
 
 
-# Check for MPI
-AC_ARG_ENABLE([mpi],
-    [AS_HELP_STRING([--enable-mpi],[compile with functionality for distributed-memory parallelim using MPI @<:@default=yes@:>@])],
-    [if test "x$enable_mpi" != "xno"
-     then
-        ACX_MPI([ CC="$MPICC" AC_DEFINE(HAVE_MPI,1,[Define if you have the MPI library.]) ])
-     fi],
-    [ACX_MPI([ CC="$MPICC" AC_DEFINE(HAVE_MPI,1,[Define if you have the MPI library.]) ])])
-AM_CONDITIONAL([HAVEMPI],[test -n "$MPICC"])
-
+# Check for OpenMP
+AC_OPENMP
+AC_SUBST(OPENMP_CFLAGS)
+if test -z "${OPENMP_CFLAGS}"; then
+   echo $OPENMP_CFLAGS
+   AC_MSG_ERROR(Compiler does not support OpenMP, 1)
+else
+   CFLAGS="$CFLAGS $OPENMP_CFLAGS"
+fi
 
 # Check for metis
 AC_ARG_WITH([metis],
@@ -93,22 +108,11 @@ AC_CHECK_LIB(z,gzopen,[
     LDFLAGS="$LDFLAGS -lz"
     ],[])
 
-# check for memalign
-AX_FUNC_POSIX_MEMALIGN
-
-# Check for OpenMP
-AC_OPENMP
-AC_SUBST(OPENMP_CFLAGS)
-if test -z "${OPENMP_CFLAGS}"; then
-   echo $OPENMP_CFLAGS
-   AC_MSG_ERROR(Compiler does not support OpenMP, 1)
-fi
 
 # Check for HDF5
 AX_LIB_HDF5()
 
 # check for setaffinity
-AC_USE_SYSTEM_EXTENSIONS
 AC_CHECK_FUNC( pthread_setaffinity_np , AC_DEFINE([HAVE_SETAFFINITY],[true],
     [Defined if pthread_setaffinity_np exists.]) )
 

examples/Makefile.am

@@ -38,35 +38,35 @@ endif
 # Sources for test
 test_SOURCES = test.c
 test_CFLAGS = $(MYFLAGS) $(AM_CFLAGS) -DENGINE_POLICY="engine_policy_multistep | engine_policy_keep | engine_policy_setaffinity"
-test_LDADD =  ../src/.libs/libswiftsim.a $(HDF5_LDFLAGS)
+test_LDADD =  ../src/.libs/libswiftsim.a $(HDF5_LDFLAGS) $(HDF5_LIBS)
 
 # Sources for test_fixdt
 test_fixdt_SOURCES = test.c
 test_fixdt_CFLAGS = $(MYFLAGS) $(AM_CFLAGS) -DENGINE_POLICY="engine_policy_fixdt | engine_policy_keep | engine_policy_setaffinity"
-test_fixdt_LDADD =  ../src/.libs/libswiftsim.a $(HDF5_LDFLAGS)
+test_fixdt_LDADD =  ../src/.libs/libswiftsim.a $(HDF5_LDFLAGS) $(HDF5_LIBS)
 
 # Sources for test_mindt
 test_mindt_SOURCES = test.c
 test_mindt_CFLAGS = $(MYFLAGS) $(AM_CFLAGS) -DENGINE_POLICY="engine_policy_keep | engine_policy_setaffinity"
-test_mindt_LDADD =  ../src/.libs/libswiftsim.a $(HDF5_LDFLAGS)
+test_mindt_LDADD =  ../src/.libs/libswiftsim.a $(HDF5_LDFLAGS) $(HDF5_LIBS)
 
 # Sources for test_mpi
 test_mpi_SOURCES = test.c
 test_mpi_CFLAGS = $(MYFLAGS) $(AM_CFLAGS) -DWITH_MPI -DENGINE_POLICY="engine_policy_multistep | engine_policy_keep"
-test_mpi_LDADD =  ../src/.libs/libswiftsim_mpi.a $(HDF5_LDFLAGS)
+test_mpi_LDADD =  ../src/.libs/libswiftsim_mpi.a $(HDF5_LDFLAGS) $(HDF5_LIBS)
 
 # Sources for test_fixdt_mpi
 test_fixdt_mpi_SOURCES = test.c
 test_fixdt_mpi_CFLAGS = $(MYFLAGS) $(AM_CFLAGS) -DWITH_MPI -DENGINE_POLICY="engine_policy_fixdt | engine_policy_keep"
-test_fixdt_mpi_LDADD =  ../src/.libs/libswiftsim_mpi.a $(HDF5_LDFLAGS)
+test_fixdt_mpi_LDADD =  ../src/.libs/libswiftsim_mpi.a $(HDF5_LDFLAGS) $(HDF5_LIBS)
 
 # Sources for test_mindt_mpi
 test_mindt_mpi_SOURCES = test.c
 test_mindt_mpi_CFLAGS = $(MYFLAGS) $(AM_CFLAGS) -DWITH_MPI -DENGINE_POLICY="engine_policy_keep"
-test_mindt_mpi_LDADD =  ../src/.libs/libswiftsim_mpi.a $(HDF5_LDFLAGS)
+test_mindt_mpi_LDADD =  ../src/.libs/libswiftsim_mpi.a $(HDF5_LDFLAGS) $(HDF5_LIBS)
 
 # Sources for test_single
 test_single_SOURCES = test_single.c
 test_single_CFLAGS = $(MYFLAGS) $(AM_CFLAGS)
-test_single_LDADD =  ../src/.libs/libswiftsim.a $(HDF5_LDFLAGS)
+test_single_LDADD =  ../src/.libs/libswiftsim.a $(HDF5_LDFLAGS) $(HDF5_LIBS)
 

m4/ax_check_compile_flag.m4

@@ -58,7 +58,7 @@
 #serial 4
 
 AC_DEFUN([AX_CHECK_COMPILE_FLAG],
-[AC_PREREQ(2.64)dnl for _AC_LANG_PREFIX and AS_VAR_IF
+[AC_PREREQ(2.63)dnl for _AC_LANG_PREFIX and AS_VAR_IF
 AS_VAR_PUSHDEF([CACHEVAR],[ax_cv_check_[]_AC_LANG_ABBREV[]flags_$4_$1])dnl
 AC_CACHE_CHECK([whether _AC_LANG compiler accepts $1], CACHEVAR, [
   ax_check_save_flags=$[]_AC_LANG_PREFIX[]FLAGS