Added OS-specific flags for Mac OS/X

Nek5000/core/makefile.template

@@ -17,6 +17,7 @@ MOAB_DIR=
 F77=
 CC=
 P=
+PC=
 PPPO=
 PPS=
 G=
@@ -138,10 +139,10 @@ FL2   = $(L2) $(P) $(PPS_F) -I$(CASEDIR) -I$S -I$(S2) -I$(OPT_INCDIR)
 FL3   = $(L3) $(P) $(PPS_F) -I$(CASEDIR) -I$S -I$(OPT_INCDIR)
 FL4   = $(L4) $(P) $(PPS_F) -I$(CASEDIR) -I$S -I$(OPT_INCDIR)
 
-cFL0   = $(L0) $(PPS_C) -I$J
-cFL2   = $(L2) $(PPS_C) -I$J
-cFL3   = $(L3) $(PPS_C) -I$J
-cFL4   = $(L4) $(PPS_C) -I$J
+cFL0   = $(L0) $(PC) $(PPS_C) -I$J
+cFL2   = $(L2) $(PC) $(PPS_C) -I$J
+cFL3   = $(L3) $(PC) $(PPS_C) -I$J
+cFL4   = $(L4) $(PC) $(PPS_C) -I$J
 
 ################################################################################
 all : nek5000

Nek5000/core/makenek

@@ -9,10 +9,10 @@ SOURCE_ROOT_JL="$SOURCE_ROOT/jl"
 SOURCE_ROOT_CMT="$SOURCE_ROOT/core/cmt"
 
 # Fortran compiler
-F77="mpif77 -Wa,-q -Wl,-no_compact_unwind"
+F77="mpif77"
 
 # C compiler
-CC="mpicc -Wl,-no_compact_unwind"
+CC="mpicc"
 
 # pre-processor symbol list 
 # (set PPLIST=? to get a list of available symbols)

Nek5000/core/makenek.inc

@@ -237,6 +237,13 @@ case $F77comp in
 esac
 export PPPO
 
+# assign OS-specific flags
+case $(uname) in
+  Darwin) P="-Wa,-q -Wl,-no_compact_unwind $P"
+          PC="-Wl,-no_compact_unwind $PC"
+          ;;
+esac
+
 # set preprocessor symbols
 if [ "$IFMPI" == "false" -o "$IFMPI" == "no" ]; then
   IFMPI=false
@@ -422,6 +429,7 @@ sed -e "s:^F77[ ]*=.*:F77\:=$F77:" \
 -e "s:^G[ ]*=.*:G\:=$G:" \
 -e "s:^OPT_FLAGS[ ]*=.*:OPT_FLAGS\:=$OPT_FLAGS:" \
 -e "s/^P[ ]*=.*/P:=$P/" \
+-e "s/^PC[ ]*=.*/PC:=$PC/" \
 -e "s/^L0[ ]*=.*/L0=$L0/" \
 -e "s/^L2[ ]*=.*/L2=$L2/" \
 -e "s/^L3[ ]*=.*/L3=$L3/" \