improve build of shared libraries

Cast/configure.in

@@ -176,8 +176,11 @@ g++)
    case "$target" in
    *-*-linux*) 
       AM_CXXFLAGS="-O -ansi -pedantic -Wall -D_GNU_SOURCE"
-      MY_SHFLAGS="-fPIC -DPIC"; MY_SHLINK="-shared"; SHEXT=so
-      MY_SHNAME="-Wl,-soname,"; MY_LD="-Wl,--rpath -Wl,"
+      MY_SHFLAGS="-fPIC -DPIC"
+      MY_SHLINK="-shared -Wl,--no-undefined"
+      MY_SHNAME="-Wl,-soname,"
+      MY_LD="-Wl,--rpath -Wl,"
+      SHEXT=so
       AR="ar"; ARFLAGS="cru"
       ;;
    *-*-darwin*) 
@@ -198,30 +201,42 @@ g++)
       ;;
    *) 
       AM_CXXFLAGS="-O -ansi -pedantic -Wall"
-      MY_SHFLAGS="-fPIC -DPIC"; MY_SHLINK="-shared"; SHEXT=so
-      MY_SHNAME="-Wl,-soname,"; MY_LD="-Wl,--rpath -Wl,"
+      MY_SHFLAGS="-fPIC -DPIC"
+      MY_SHLINK="-shared -Wl,--no-undefined"
+      MY_SHNAME="-Wl,-soname,"
+      MY_LD="-Wl,--rpath -Wl,"
+      SHEXT=so
       AR="ar"; ARFLAGS="cru"
    esac;;
 g++4) 
    case "$target" in
    *-*-linux*) 
       AM_CXXFLAGS="-O -ansi -pedantic -Wall -D_GNU_SOURCE"
-      MY_SHFLAGS="-fPIC -DPIC"; MY_SHLINK="-shared"; SHEXT=so
-      MY_SHNAME="-Wl,-soname,"; MY_LD="-Wl,--rpath -Wl,"
+      MY_SHFLAGS="-fPIC -DPIC"
+      MY_SHLINK="-shared -Wl,--no-undefined"
+      MY_SHNAME="-Wl,-soname,"
+      MY_LD="-Wl,--rpath -Wl,"
+      SHEXT=so
       AR="ar"; ARFLAGS="cru"
       ;;
    *) 
       AM_CXXFLAGS="-O -ansi -pedantic -Wall"
-      MY_SHFLAGS="-fPIC -DPIC"; MY_SHLINK="-shared"; SHEXT=so
-      MY_SHNAME="-Wl,-soname,"; MY_LD="-Wl,--rpath -Wl,"
+      MY_SHFLAGS="-fPIC -DPIC"
+      MY_SHLINK="-shared -Wl,--no-undefined"
+      MY_SHNAME="-Wl,-soname,"
+      MY_LD="-Wl,--rpath -Wl,"
+      SHEXT=so
       AR="ar"; ARFLAGS="cru"
    esac;;
 c++) 
    case "$target" in
    *-*-linux*) 
       AM_CXXFLAGS="-O -ansi -pedantic -Wall -D_GNU_SOURCE"
-      MY_SHFLAGS="-fPIC -DPIC"; MY_SHLINK="-shared"; SHEXT=so
-      MY_SHNAME="-Wl,-soname,"; MY_LD="-Wl,--rpath -Wl,"
+      MY_SHFLAGS="-fPIC -DPIC"
+      MY_SHLINK="-shared -Wl,--no-undefined"
+      MY_SHNAME="-Wl,-soname,"
+      MY_LD="-Wl,--rpath -Wl,"
+      SHEXT=so
       AR="ar"; ARFLAGS="cru"
       ;;
    *-*-darwin*) 
@@ -242,8 +257,11 @@ c++)
       ;;
    *) 
       AM_CXXFLAGS="-O -ansi -pedantic -Wall"
-      MY_SHFLAGS="-fPIC -DPIC"; MY_SHLINK="-shared"; SHEXT=so
-      MY_SHNAME="-Wl,-soname,"; MY_LD="-Wl,--rpath -Wl,"
+      MY_SHFLAGS="-fPIC -DPIC"
+      MY_SHLINK="-shared -Wl,--no-undefined"
+      MY_SHNAME="-Wl,-soname,"
+      MY_LD="-Wl,--rpath -Wl,"
+      SHEXT=so
       AR="ar"; ARFLAGS="cru"
    esac;;
 icc)
@@ -325,6 +343,13 @@ AC_SUBST(SHEXT)
 AC_SUBST(AR)
 AC_SUBST(ARFLAGS)
 
+# ----------------------------------------------------------------------
+# Check for supported link flags
+# ----------------------------------------------------------------------
+
+AC_CHECK_LIB([c -Wl,--as-needed],open,[MY_SHEXTRA="-Wl,--as-needed"])
+AC_SUBST(MY_SHEXTRA)
+
 # ----------------------------------------------------------------------
 # Set system-dependent options:
 # ----------------------------------------------------------------------

Cast/src/Makefile.am

@@ -20,7 +20,7 @@ else
   lib_shared = libCLHEP-Cast-@VERSION@.$(SHEXT)
 endif
   SHFLAGS = @MY_SHFLAGS@
-  SHLINK = @MY_SHLINK@
+  SHLINK = @MY_SHLINK@ @MY_SHEXTRA@
   SHNAME = @MY_SHNAME@
 endif
 if BUILD_STATIC

ChangeLog

+2009-06-30  Lynn Garren <garren@fnal.gov>
+
+	* configure.in, */configure.in, */src/Makefile.am: Make sure that
+	the shared library build picks up package dependencies. 
+
 ==============================
 18.11.08 Release CLHEP-2.0.4.2
 ==============================

Evaluator/configure.in

@@ -178,8 +178,11 @@ g++)
    case "$target" in
    *-*-linux*) 
       AM_CXXFLAGS="-O -ansi -pedantic -Wall -D_GNU_SOURCE"
-      MY_SHFLAGS="-fPIC -DPIC"; MY_SHLINK="-shared"; SHEXT=so
-      MY_SHNAME="-Wl,-soname,"; MY_LD="-Wl,--rpath -Wl,"
+      MY_SHFLAGS="-fPIC -DPIC"
+      MY_SHLINK="-shared -Wl,--no-undefined"
+      MY_SHNAME="-Wl,-soname,"
+      MY_LD="-Wl,--rpath -Wl,"
+      SHEXT=so
       AR="ar"; ARFLAGS="cru"
       ;;
    *-*-darwin*) 
@@ -200,30 +203,42 @@ g++)
       ;;
     *) 
       AM_CXXFLAGS="-O -ansi -pedantic -Wall"
-      MY_SHFLAGS="-fPIC -DPIC"; MY_SHLINK="-shared"; SHEXT=so
-      MY_SHNAME="-Wl,-soname,"; MY_LD="-Wl,--rpath -Wl,"
+      MY_SHFLAGS="-fPIC -DPIC"
+      MY_SHLINK="-shared -Wl,--no-undefined"
+      MY_SHNAME="-Wl,-soname,"
+      MY_LD="-Wl,--rpath -Wl,"
+      SHEXT=so
       AR="ar"; ARFLAGS="cru"
    esac;;
 g++4) 
    case "$target" in
    *-*-linux*) 
       AM_CXXFLAGS="-O -ansi -pedantic -Wall -D_GNU_SOURCE"
-      MY_SHFLAGS="-fPIC -DPIC"; MY_SHLINK="-shared"; SHEXT=so
-      MY_SHNAME="-Wl,-soname,"; MY_LD="-Wl,--rpath -Wl,"
+      MY_SHFLAGS="-fPIC -DPIC"
+      MY_SHLINK="-shared -Wl,--no-undefined"
+      MY_SHNAME="-Wl,-soname,"
+      MY_LD="-Wl,--rpath -Wl,"
+      SHEXT=so
       AR="ar"; ARFLAGS="cru"
       ;;
    *) 
       AM_CXXFLAGS="-O -ansi -pedantic -Wall"
-      MY_SHFLAGS="-fPIC -DPIC"; MY_SHLINK="-shared"; SHEXT=so
-      MY_SHNAME="-Wl,-soname,"; MY_LD="-Wl,--rpath -Wl,"
+      MY_SHFLAGS="-fPIC -DPIC"
+      MY_SHLINK="-shared -Wl,--no-undefined"
+      MY_SHNAME="-Wl,-soname,"
+      MY_LD="-Wl,--rpath -Wl,"
+      SHEXT=so
       AR="ar"; ARFLAGS="cru"
    esac;;
 c++) 
    case "$target" in
    *-*-linux*) 
       AM_CXXFLAGS="-O -ansi -pedantic -Wall -D_GNU_SOURCE"
-      MY_SHFLAGS="-fPIC -DPIC"; MY_SHLINK="-shared"; SHEXT=so
-      MY_SHNAME="-Wl,-soname,"; MY_LD="-Wl,--rpath -Wl,"
+      MY_SHFLAGS="-fPIC -DPIC"
+      MY_SHLINK="-shared -Wl,--no-undefined"
+      MY_SHNAME="-Wl,-soname,"
+      MY_LD="-Wl,--rpath -Wl,"
+      SHEXT=so
       AR="ar"; ARFLAGS="cru"
       ;;
    *-*-darwin*) 
@@ -244,8 +259,11 @@ c++)
       ;;
     *) 
       AM_CXXFLAGS="-O -ansi -pedantic -Wall"
-      MY_SHFLAGS="-fPIC -DPIC"; MY_SHLINK="-shared"; SHEXT=so
-      MY_SHNAME="-Wl,-soname,"; MY_LD="-Wl,--rpath -Wl,"
+      MY_SHFLAGS="-fPIC -DPIC"
+      MY_SHLINK="-shared -Wl,--no-undefined"
+      MY_SHNAME="-Wl,-soname,"
+      MY_LD="-Wl,--rpath -Wl,"
+      SHEXT=so
       AR="ar"; ARFLAGS="cru"
    esac;;
 icc)
@@ -327,6 +345,13 @@ AC_SUBST(SHEXT)
 AC_SUBST(AR)
 AC_SUBST(ARFLAGS)
 
+# ----------------------------------------------------------------------
+# Check for supported link flags
+# ----------------------------------------------------------------------
+
+AC_CHECK_LIB([c -Wl,--as-needed],open,[MY_SHEXTRA="-Wl,--as-needed"])
+AC_SUBST(MY_SHEXTRA)
+
 # ----------------------------------------------------------------------
 # Set system-dependent options:
 # ----------------------------------------------------------------------

Evaluator/src/Makefile.am

@@ -22,7 +22,7 @@ else
   lib_shared = libCLHEP-Evaluator-@VERSION@.$(SHEXT)
 endif
   SHFLAGS = @MY_SHFLAGS@
-  SHLINK = @MY_SHLINK@
+  SHLINK = @MY_SHLINK@ @MY_SHEXTRA@
   SHNAME = @MY_SHNAME@
 endif
 if BUILD_STATIC

Exceptions/configure.in

@@ -186,8 +186,11 @@ g++)
    case "$target" in
    *-*-linux*) 
       AM_CXXFLAGS="-O -ansi -pedantic -Wall -D_GNU_SOURCE"
-      MY_SHFLAGS="-fPIC -DPIC"; MY_SHLINK="-shared"; SHEXT=so
-      MY_SHNAME="-Wl,-soname,"; MY_LD="-Wl,--rpath -Wl,"
+      MY_SHFLAGS="-fPIC -DPIC"
+      MY_SHLINK="-shared -Wl,--no-undefined"
+      MY_SHNAME="-Wl,-soname,"
+      MY_LD="-Wl,--rpath -Wl,"
+      SHEXT=so
       AR="ar"; ARFLAGS="cru"
       ;;
    *-*-darwin*) 
@@ -208,30 +211,42 @@ g++)
       ;;
     *) 
       AM_CXXFLAGS="-O -ansi -pedantic -Wall"
-      MY_SHFLAGS="-fPIC -DPIC"; MY_SHLINK="-shared"; SHEXT=so
-      MY_SHNAME="-Wl,-soname,"; MY_LD="-Wl,--rpath -Wl,"
+      MY_SHFLAGS="-fPIC -DPIC"
+      MY_SHLINK="-shared -Wl,--no-undefined"
+      MY_SHNAME="-Wl,-soname,"
+      MY_LD="-Wl,--rpath -Wl,"
+      SHEXT=so
       AR="ar"; ARFLAGS="cru"
    esac;;
 g++4) 
    case "$target" in
    *-*-linux*) 
       AM_CXXFLAGS="-O -ansi -pedantic -Wall -D_GNU_SOURCE"
-      MY_SHFLAGS="-fPIC -DPIC"; MY_SHLINK="-shared"; SHEXT=so
-      MY_SHNAME="-Wl,-soname,"; MY_LD="-Wl,--rpath -Wl,"
+      MY_SHFLAGS="-fPIC -DPIC"
+      MY_SHLINK="-shared -Wl,--no-undefined"
+      MY_SHNAME="-Wl,-soname,"
+      MY_LD="-Wl,--rpath -Wl,"
+      SHEXT=so
       AR="ar"; ARFLAGS="cru"
       ;;
    *) 
       AM_CXXFLAGS="-O -ansi -pedantic -Wall"
-      MY_SHFLAGS="-fPIC -DPIC"; MY_SHLINK="-shared"; SHEXT=so
-      MY_SHNAME="-Wl,-soname,"; MY_LD="-Wl,--rpath -Wl,"
+      MY_SHFLAGS="-fPIC -DPIC"
+      MY_SHLINK="-shared -Wl,--no-undefined"
+      MY_SHNAME="-Wl,-soname,"
+      MY_LD="-Wl,--rpath -Wl,"
+      SHEXT=so
       AR="ar"; ARFLAGS="cru"
    esac;;
 c++) 
    case "$target" in
    *-*-linux*) 
       AM_CXXFLAGS="-O -ansi -pedantic -Wall -D_GNU_SOURCE"
-      MY_SHFLAGS="-fPIC -DPIC"; MY_SHLINK="-shared"; SHEXT=so
-      MY_SHNAME="-Wl,-soname,"; MY_LD="-Wl,--rpath -Wl,"
+      MY_SHFLAGS="-fPIC -DPIC"
+      MY_SHLINK="-shared -Wl,--no-undefined"
+      MY_SHNAME="-Wl,-soname,"
+      MY_LD="-Wl,--rpath -Wl,"
+      SHEXT=so
       AR="ar"; ARFLAGS="cru"
       ;;
    *-*-darwin*) 
@@ -252,8 +267,11 @@ c++)
       ;;
     *) 
       AM_CXXFLAGS="-O -ansi -pedantic -Wall"
-      MY_SHFLAGS="-fPIC -DPIC"; MY_SHLINK="-shared"; SHEXT=so
-      MY_SHNAME="-Wl,-soname,"; MY_LD="-Wl,--rpath -Wl,"
+      MY_SHFLAGS="-fPIC -DPIC"
+      MY_SHLINK="-shared -Wl,--no-undefined"
+      MY_SHNAME="-Wl,-soname,"
+      MY_LD="-Wl,--rpath -Wl,"
+      SHEXT=so
       AR="ar"; ARFLAGS="cru"
    esac;;
 icc)
@@ -337,6 +355,13 @@ AC_SUBST(SHEXT)
 AC_SUBST(AR)
 AC_SUBST(ARFLAGS)
 
+# ----------------------------------------------------------------------
+# Check for supported link flags
+# ----------------------------------------------------------------------
+
+AC_CHECK_LIB([c -Wl,--as-needed],open,[MY_SHEXTRA="-Wl,--as-needed"])
+AC_SUBST(MY_SHEXTRA)
+
 # ----------------------------------------------------------------------
 # Set system-dependent options:
 # ----------------------------------------------------------------------

Exceptions/src/Makefile.am

@@ -22,11 +22,15 @@ if BUILD_SHARED
   shareddir = shared
 if BUILD_VISUAL
   lib_shared = CLHEP-Exceptions-@VERSION@.$(SHEXT)
+  LDADD = ${top_builddir}/../Cast/src/CLHEP-Cast-@VERSION@.$(SHEXT) \
+	  ${top_builddir}/../RefCount/src/CLHEP-RefCount-@VERSION@.$(SHEXT)
 else
   lib_shared = libCLHEP-Exceptions-@VERSION@.$(SHEXT)
+  LDADD = ${top_builddir}/../Cast/src/libCLHEP-Cast-@VERSION@.$(SHEXT) \
+	  ${top_builddir}/../RefCount/src/libCLHEP-RefCount-@VERSION@.$(SHEXT)
 endif
   SHFLAGS = @MY_SHFLAGS@
-  SHLINK = @MY_SHLINK@
+  SHLINK = @MY_SHLINK@ @MY_SHEXTRA@
   SHNAME = @MY_SHNAME@
 endif
 if BUILD_STATIC
@@ -42,13 +46,13 @@ $(shareddir):
 
 if BUILD_VISUAL
 $(lib_shared): $(libCLHEP_Exceptions_@VERSION@_so_OBJECTS)
-	$(SHLINK) $(SHNAME)$@ $(libCLHEP_Exceptions_@VERSION@_so_OBJECTS)
+	$(SHLINK) $(SHNAME)$@ $(libCLHEP_Exceptions_@VERSION@_so_OBJECTS) $(LDADD)
 
 $(shareddir)/%.$(OBJEXT): %.cc
 	$(CXXCOMPILE) $(SHFLAGS) /c /Fo$@ $<
 else
 $(lib_shared): $(libCLHEP_Exceptions_@VERSION@_so_OBJECTS)
-	$(CXXLINK) $(SHLINK) $(SHNAME)$@ $(libCLHEP_Exceptions_@VERSION@_so_OBJECTS) -o $@
+	$(CXXLINK) $(SHLINK) $(SHNAME)$@ $(libCLHEP_Exceptions_@VERSION@_so_OBJECTS) $(LDADD) -o $@
 
 $(shareddir)/%.$(OBJEXT): %.cc
 	$(CXXCOMPILE) $(SHFLAGS) -c -o $@ $<

GenericFunctions/configure.in

@@ -178,8 +178,11 @@ g++)
    case "$target" in
    *-*-linux*) 
       AM_CXXFLAGS="-O -ansi -pedantic -Wall -D_GNU_SOURCE"
-      MY_SHFLAGS="-fPIC -DPIC"; MY_SHLINK="-shared"; SHEXT=so
-      MY_SHNAME="-Wl,-soname,"; MY_LD="-Wl,--rpath -Wl,"
+      MY_SHFLAGS="-fPIC -DPIC"
+      MY_SHLINK="-shared -Wl,--no-undefined"
+      MY_SHNAME="-Wl,-soname,"
+      MY_LD="-Wl,--rpath -Wl,"
+      SHEXT=so
       AR="ar"; ARFLAGS="cru"
       ;;
    *-*-darwin*) 
@@ -200,30 +203,42 @@ g++)
       ;;
    *) 
       AM_CXXFLAGS="-O -ansi -pedantic -Wall"
-      MY_SHFLAGS="-fPIC -DPIC"; MY_SHLINK="-shared"; SHEXT=so
-      MY_SHNAME="-Wl,-soname,"; MY_LD="-Wl,--rpath -Wl,"
+      MY_SHFLAGS="-fPIC -DPIC"
+      MY_SHLINK="-shared -Wl,--no-undefined"
+      MY_SHNAME="-Wl,-soname,"
+      MY_LD="-Wl,--rpath -Wl,"
+      SHEXT=so
       AR="ar"; ARFLAGS="cru"
    esac;;
 g++4) 
    case "$target" in
    *-*-linux*) 
       AM_CXXFLAGS="-O -ansi -pedantic -Wall -D_GNU_SOURCE"
-      MY_SHFLAGS="-fPIC -DPIC"; MY_SHLINK="-shared"; SHEXT=so
-      MY_SHNAME="-Wl,-soname,"; MY_LD="-Wl,--rpath -Wl,"
+      MY_SHFLAGS="-fPIC -DPIC"
+      MY_SHLINK="-shared -Wl,--no-undefined"
+      MY_SHNAME="-Wl,-soname,"
+      MY_LD="-Wl,--rpath -Wl,"
+      SHEXT=so
       AR="ar"; ARFLAGS="cru"
       ;;
    *) 
       AM_CXXFLAGS="-O -ansi -pedantic -Wall"
-      MY_SHFLAGS="-fPIC -DPIC"; MY_SHLINK="-shared"; SHEXT=so
-      MY_SHNAME="-Wl,-soname,"; MY_LD="-Wl,--rpath -Wl,"
+      MY_SHFLAGS="-fPIC -DPIC"
+      MY_SHLINK="-shared -Wl,--no-undefined"
+      MY_SHNAME="-Wl,-soname,"
+      MY_LD="-Wl,--rpath -Wl,"
+      SHEXT=so
       AR="ar"; ARFLAGS="cru"
    esac;;
 c++) 
    case "$target" in
    *-*-linux*) 
       AM_CXXFLAGS="-O -ansi -pedantic -Wall -D_GNU_SOURCE"
-      MY_SHFLAGS="-fPIC -DPIC"; MY_SHLINK="-shared"; SHEXT=so
-      MY_SHNAME="-Wl,-soname,"; MY_LD="-Wl,--rpath -Wl,"
+      MY_SHFLAGS="-fPIC -DPIC"
+      MY_SHLINK="-shared -Wl,--no-undefined"
+      MY_SHNAME="-Wl,-soname,"
+      MY_LD="-Wl,--rpath -Wl,"
+      SHEXT=so
       AR="ar"; ARFLAGS="cru"
       ;;
    *-*-darwin*) 
@@ -244,8 +259,11 @@ c++)
       ;;
    *) 
       AM_CXXFLAGS="-O -ansi -pedantic -Wall"
-      MY_SHFLAGS="-fPIC -DPIC"; MY_SHLINK="-shared"; SHEXT=so
-      MY_SHNAME="-Wl,-soname,"; MY_LD="-Wl,--rpath -Wl,"
+      MY_SHFLAGS="-fPIC -DPIC"
+      MY_SHLINK="-shared -Wl,--no-undefined"
+      MY_SHNAME="-Wl,-soname,"
+      MY_LD="-Wl,--rpath -Wl,"
+      SHEXT=so
       AR="ar"; ARFLAGS="cru"
    esac;;
 icc)
@@ -327,6 +345,13 @@ AC_SUBST(SHEXT)
 AC_SUBST(AR)
 AC_SUBST(ARFLAGS)
 
+# ----------------------------------------------------------------------
+# Check for supported link flags
+# ----------------------------------------------------------------------
+
+AC_CHECK_LIB([c -Wl,--as-needed],open,[MY_SHEXTRA="-Wl,--as-needed"])
+AC_SUBST(MY_SHEXTRA)
+
 # ----------------------------------------------------------------------
 # Set system-dependent options:
 # ----------------------------------------------------------------------

GenericFunctions/src/Makefile.am

@@ -90,7 +90,7 @@ else
   lib_shared = libCLHEP-GenericFunctions-@VERSION@.$(SHEXT)
 endif
   SHFLAGS = @MY_SHFLAGS@
-  SHLINK = @MY_SHLINK@
+  SHLINK = @MY_SHLINK@ @MY_SHEXTRA@
   SHNAME = @MY_SHNAME@
 endif
 if BUILD_STATIC

Geometry/configure.in

@@ -179,8 +179,11 @@ g++)
    case "$target" in
    *-*-linux*) 
       AM_CXXFLAGS="-O -ansi -pedantic -Wall -D_GNU_SOURCE"
-      MY_SHFLAGS="-fPIC -DPIC"; MY_SHLINK="-shared"; SHEXT=so
-      MY_SHNAME="-Wl,-soname,"; MY_LD="-Wl,--rpath -Wl,"
+      MY_SHFLAGS="-fPIC -DPIC"
+      MY_SHLINK="-shared -Wl,--no-undefined"
+      MY_SHNAME="-Wl,-soname,"
+      MY_LD="-Wl,--rpath -Wl,"
+      SHEXT=so
       AR="ar"; ARFLAGS="cru"
       ;;
    *-*-darwin*) 
@@ -201,30 +204,42 @@ g++)
       ;;
    *) 
       AM_CXXFLAGS="-O -ansi -pedantic -Wall"
-      MY_SHFLAGS="-fPIC -DPIC"; MY_SHLINK="-shared"; SHEXT=so
-      MY_SHNAME="-Wl,-soname,"; MY_LD="-Wl,--rpath -Wl,"
+      MY_SHFLAGS="-fPIC -DPIC"
+      MY_SHLINK="-shared -Wl,--no-undefined"
+      MY_SHNAME="-Wl,-soname,"
+      MY_LD="-Wl,--rpath -Wl,"
+      SHEXT=so
       AR="ar"; ARFLAGS="cru"
    esac;;
 g++4) 
    case "$target" in
    *-*-linux*) 
       AM_CXXFLAGS="-O -ansi -pedantic -Wall -D_GNU_SOURCE"
-      MY_SHFLAGS="-fPIC -DPIC"; MY_SHLINK="-shared"; SHEXT=so
-      MY_SHNAME="-Wl,-soname,"; MY_LD="-Wl,--rpath -Wl,"
+      MY_SHFLAGS="-fPIC -DPIC"
+      MY_SHLINK="-shared -Wl,--no-undefined"
+      MY_SHNAME="-Wl,-soname,"
+      MY_LD="-Wl,--rpath -Wl,"
+      SHEXT=so
       AR="ar"; ARFLAGS="cru"
       ;;
    *) 
       AM_CXXFLAGS="-O -ansi -pedantic -Wall"
-      MY_SHFLAGS="-fPIC -DPIC"; MY_SHLINK="-shared"; SHEXT=so
-      MY_SHNAME="-Wl,-soname,"; MY_LD="-Wl,--rpath -Wl,"
+      MY_SHFLAGS="-fPIC -DPIC"
+      MY_SHLINK="-shared -Wl,--no-undefined"
+      MY_SHNAME="-Wl,-soname,"
+      MY_LD="-Wl,--rpath -Wl,"
+      SHEXT=so
       AR="ar"; ARFLAGS="cru"
    esac;;
 c++) 
    case "$target" in
    *-*-linux*) 
       AM_CXXFLAGS="-O -ansi -pedantic -Wall -D_GNU_SOURCE"
-      MY_SHFLAGS="-fPIC -DPIC"; MY_SHLINK="-shared"; SHEXT=so
-      MY_SHNAME="-Wl,-soname,"; MY_LD="-Wl,--rpath -Wl,"
+      MY_SHFLAGS="-fPIC -DPIC"
+      MY_SHLINK="-shared -Wl,--no-undefined"
+      MY_SHNAME="-Wl,-soname,"
+      MY_LD="-Wl,--rpath -Wl,"
+      SHEXT=so
       AR="ar"; ARFLAGS="cru"
       ;;
    *-*-darwin*) 
@@ -245,8 +260,11 @@ c++)
       ;;
    *) 
       AM_CXXFLAGS="-O -ansi -pedantic -Wall"
-      MY_SHFLAGS="-fPIC -DPIC"; MY_SHLINK="-shared"; SHEXT=so
-      MY_SHNAME="-Wl,-soname,"; MY_LD="-Wl,--rpath -Wl,"
+      MY_SHFLAGS="-fPIC -DPIC"
+      MY_SHLINK="-shared -Wl,--no-undefined"
+      MY_SHNAME="-Wl,-soname,"
+      MY_LD="-Wl,--rpath -Wl,"
+      SHEXT=so
       AR="ar"; ARFLAGS="cru"
    esac;;
 icc)
@@ -328,6 +346,13 @@ AC_SUBST(SHEXT)
 AC_SUBST(AR)
 AC_SUBST(ARFLAGS)
 
+# ----------------------------------------------------------------------
+# Check for supported link flags
+# ----------------------------------------------------------------------
+
+AC_CHECK_LIB([c -Wl,--as-needed],open,[MY_SHEXTRA="-Wl,--as-needed"])
+AC_SUBST(MY_SHEXTRA)
+
 # ----------------------------------------------------------------------
 # Set system-dependent options:
 # ----------------------------------------------------------------------

Geometry/src/Makefile.am

@@ -21,11 +21,13 @@ if BUILD_SHARED
   shareddir = shared
 if BUILD_VISUAL
   lib_shared = CLHEP-Geometry-@VERSION@.$(SHEXT)
+  LDADD = ${top_builddir}/../Vector/src/CLHEP-Vector-@VERSION@.$(SHEXT)
 else
   lib_shared = libCLHEP-Geometry-@VERSION@.$(SHEXT)
+  LDADD = ${top_builddir}/../Vector/src/libCLHEP-Vector-@VERSION@.$(SHEXT)
 endif
   SHFLAGS = @MY_SHFLAGS@
-  SHLINK = @MY_SHLINK@
+  SHLINK = @MY_SHLINK@ @MY_SHEXTRA@
   SHNAME = @MY_SHNAME@
 endif
 if BUILD_STATIC
@@ -41,13 +43,13 @@ $(shareddir):
 
 if BUILD_VISUAL
 $(lib_shared): $(libCLHEP_Geometry_@VERSION@_so_OBJECTS)
-	$(SHLINK) $(SHNAME)$@ $(libCLHEP_Geometry_@VERSION@_so_OBJECTS)
+	$(SHLINK) $(SHNAME)$@ $(libCLHEP_Geometry_@VERSION@_so_OBJECTS) $(LDADD)
 
 $(shareddir)/%.$(OBJEXT): %.cc
 	$(CXXCOMPILE) $(SHFLAGS) /c /Fo$@ $<
 else
 $(lib_shared): $(libCLHEP_Geometry_@VERSION@_so_OBJECTS)
-	$(CXXLINK) $(SHLINK) $(SHNAME)$@ $(libCLHEP_Geometry_@VERSION@_so_OBJECTS) -o $@
+	$(CXXLINK) $(SHLINK) $(SHNAME)$@ $(libCLHEP_Geometry_@VERSION@_so_OBJECTS) $(LDADD) -o $@
 
 $(shareddir)/%.$(OBJEXT): %.cc
 	$(CXXCOMPILE) $(SHFLAGS) -c -o $@ $<

Matrix/configure.in

@@ -186,8 +186,11 @@ g++)
    case "$target" in
    *-*-linux*) 
       AM_CXXFLAGS="-O -ansi -pedantic -Wall -D_GNU_SOURCE"
-      MY_SHFLAGS="-fPIC -DPIC"; MY_SHLINK="-shared"; SHEXT=so
-      MY_SHNAME="-Wl,-soname,"; MY_LD="-Wl,--rpath -Wl,"
+      MY_SHFLAGS="-fPIC -DPIC"
+      MY_SHLINK="-shared -Wl,--no-undefined"
+      MY_SHNAME="-Wl,-soname,"
+      MY_LD="-Wl,--rpath -Wl,"
+      SHEXT=so
       AR="ar"; ARFLAGS="cru"
       ;;
    *-*-darwin*) 
@@ -208,30 +211,42 @@ g++)
       ;;
    *) 
       AM_CXXFLAGS="-O -ansi -pedantic -Wall"
-      MY_SHFLAGS="-fPIC -DPIC"; MY_SHLINK="-shared"; SHEXT=so
-      MY_SHNAME="-Wl,-soname,"; MY_LD="-Wl,--rpath -Wl,"
+      MY_SHFLAGS="-fPIC -DPIC"
+      MY_SHLINK="-shared -Wl,--no-undefined"
+      MY_SHNAME="-Wl,-soname,"
+      MY_LD="-Wl,--rpath -Wl,"
+      SHEXT=so
       AR="ar"; ARFLAGS="cru"
    esac;;
 g++4) 
    case "$target" in
    *-*-linux*) 
       AM_CXXFLAGS="-O -ansi -pedantic -Wall -D_GNU_SOURCE"
-      MY_SHFLAGS="-fPIC -DPIC"; MY_SHLINK="-shared"; SHEXT=so
-      MY_SHNAME="-Wl,-soname,"; MY_LD="-Wl,--rpath -Wl,"
+      MY_SHFLAGS="-fPIC -DPIC"
+      MY_SHLINK="-shared -Wl,--no-undefined"
+      MY_SHNAME="-Wl,-soname,"
+      MY_LD="-Wl,--rpath -Wl,"
+      SHEXT=so
       AR="ar"; ARFLAGS="cru"
       ;;
    *) 
       AM_CXXFLAGS="-O -ansi -pedantic -Wall"
-      MY_SHFLAGS="-fPIC -DPIC"; MY_SHLINK="-shared"; SHEXT=so
-      MY_SHNAME="-Wl,-soname,"; MY_LD="-Wl,--rpath -Wl,"
+      MY_SHFLAGS="-fPIC -DPIC"
+      MY_SHLINK="-shared -Wl,--no-undefined"
+      MY_SHNAME="-Wl,-soname,"
+      MY_LD="-Wl,--rpath -Wl,"
+      SHEXT=so
       AR="ar"; ARFLAGS="cru"
    esac;;
 c++) 
    case "$target" in
    *-*-linux*) 
       AM_CXXFLAGS="-O -ansi -pedantic -Wall -D_GNU_SOURCE"
-      MY_SHFLAGS="-fPIC -DPIC"; MY_SHLINK="-shared"; SHEXT=so
-      MY_SHNAME="-Wl,-soname,"; MY_LD="-Wl,--rpath -Wl,"
+      MY_SHFLAGS="-fPIC -DPIC"
+      MY_SHLINK="-shared -Wl,--no-undefined"
+      MY_SHNAME="-Wl,-soname,"
+      MY_LD="-Wl,--rpath -Wl,"
+      SHEXT=so
       AR="ar"; ARFLAGS="cru"
       ;;
    *-*-darwin*) 
@@ -252,8 +267,11 @@ c++)
       ;;
    *) 
       AM_CXXFLAGS="-O -ansi -pedantic -Wall"
-      MY_SHFLAGS="-fPIC -DPIC"; MY_SHLINK="-shared"; SHEXT=so
-      MY_SHNAME="-Wl,-soname,"; MY_LD="-Wl,--rpath -Wl,"
+      MY_SHFLAGS="-fPIC -DPIC"
+      MY_SHLINK="-shared -Wl,--no-undefined"
+      MY_SHNAME="-Wl,-soname,"
+      MY_LD="-Wl,--rpath -Wl,"
+      SHEXT=so
       AR="ar"; ARFLAGS="cru"
    esac;;
 icc)
@@ -335,6 +353,14 @@ AC_SUBST(SHEXT)
 AC_SUBST(AR)
 AC_SUBST(ARFLAGS)
 
+
+# ----------------------------------------------------------------------
+# Check for supported link flags
+# ----------------------------------------------------------------------
+
+AC_CHECK_LIB([c -Wl,--as-needed],open,[MY_SHEXTRA="-Wl,--as-needed"])
+AC_SUBST(MY_SHEXTRA)
+
 # ----------------------------------------------------------------------