added darshan-config utility

fixes #74


git-svn-id: https://svn.mcs.anl.gov/repos/darshan/trunk@549 3b7491f3-a168-0410-bf4b-c445ed680a29

darshan-runtime/Makefile.in

@@ -98,6 +98,7 @@ endif
 	install -m 755 darshan-gen-cc.pl $(bindir)
 	install -m 755 darshan-gen-cxx.pl $(bindir)
 	install -m 755 darshan-gen-fortran.pl $(bindir)
+	install -m 755 darshan-config $(bindir)
 
 clean::
 	rm -f *.o *.a lib/*.o lib/*.po lib/*.a lib/*.so 

darshan-runtime/configure

@@ -4190,7 +4190,7 @@ fi
 
 
 
-ac_config_files="$ac_config_files Makefile darshan-mk-log-dirs.pl darshan-gen-cc.pl darshan-gen-cxx.pl darshan-gen-fortran.pl"
+ac_config_files="$ac_config_files Makefile darshan-mk-log-dirs.pl darshan-gen-cc.pl darshan-gen-cxx.pl darshan-gen-fortran.pl darshan-config"
 
 cat >confcache <<\_ACEOF
 # This file is a shell script that caches the results of configure
@@ -4901,6 +4901,7 @@ do
     "darshan-gen-cc.pl") CONFIG_FILES="$CONFIG_FILES darshan-gen-cc.pl" ;;
     "darshan-gen-cxx.pl") CONFIG_FILES="$CONFIG_FILES darshan-gen-cxx.pl" ;;
     "darshan-gen-fortran.pl") CONFIG_FILES="$CONFIG_FILES darshan-gen-fortran.pl" ;;
+    "darshan-config") CONFIG_FILES="$CONFIG_FILES darshan-config" ;;
 
   *) as_fn_error $? "invalid argument: \`$ac_config_target'" "$LINENO" 5;;
   esac

darshan-runtime/configure.in

@@ -231,4 +231,5 @@ darshan-mk-log-dirs.pl
 darshan-gen-cc.pl
 darshan-gen-cxx.pl
 darshan-gen-fortran.pl
+darshan-config
 )

darshan-runtime/darshan-config.in

+#!/bin/sh
+
+CP_WRAPPERS="@CP_WRAPPERS@"
+DARSHAN_LIB_PATH="@darshan_lib_path@"
+DARSHAN_LD_FLAGS="@LDFLAGS@"
+
+PRE_LD_FLAGS="-L$DARSHAN_LIB_PATH $DARSHAN_LD_FLAGS -ldarshan-mpi-io -lz $CP_WRAPPERS"
+POST_LD_FLAGS="-L$DARSHAN_LIB_PATH -ldarshan-posix"
+
+usage="\
+Usage: darshan-config [--pre-ld-flags] [--post-ld-flags]"
+
+if test $# -eq 0; then
+      echo "${usage}" 1>&2
+      exit 1
+fi
+
+while test $# -gt 0; do
+  case "$1" in
+  -*=*) optarg=`echo "$1" | sed 's/[-_a-zA-Z0-9]*=//'` ;;
+  *) optarg= ;;
+  esac
+
+  case $1 in
+    --pre-ld-flags)
+      echo $PRE_LD_FLAGS
+      ;;
+    --post-ld-flags)
+      echo $POST_LD_FLAGS
+      ;;
+    *)
+      echo "${usage}" 1>&2
+      exit 1
+      ;;
+  esac
+  shift
+done