Shared library support

diff --git a/Makefile.in b/Makefile.in
index 1fe5701fe337164ea2fd6e627734890404a79063..3f12b407a95dd7631e85073c066e6f546348b7e8 100644 (file)
--- a/Makefile.in
+++ b/Makefile.in
@@ -29,6 +29,9 @@ srcdir=               @srcdir@
 VPATH=         @srcdir@
 INSTALL=       @INSTALL@
 
+# Machine-dependent subdirectories
+MACHDEP=       @MACHDEP@
+
 # Install prefixes are treated specially by the configure script:
 # it only changes these lines if it has received a --prefix=... or
 # --exec-prefix=... command line option.  Note that $(prefix) is
@@ -42,6 +45,13 @@ prefix=              /usr/local
 # Install prefix for architecture-dependent files
 exec_prefix=   $(prefix)
 
+# Symbols used for using shared libraries
+SO=            @SO@
+LDSHARED=      @LDSHARED@
+CCSHARED=      @CCSHARED@
+LINKFORSHARED= @LINKFORSHARED@
+DESTSHARED=    $(prefix)/lib/python/$(MACHDEP)
+
 # Programs
 SHELL=         /bin/sh
 
@@ -132,6 +142,17 @@ libainstall:       all
                $(INSTALL) config.h $(LIBPL)/config.h
                $(INSTALL) $(srcdir)/Python/frozenmain.c $(LIBPL)/frozenmain.c
 
+# install the dynamically loadable modules
+sharedinstall:
+               cd Modules; $(MAKE) \
+                       OPT="$(OPT)" \
+                       SO="$(SO)" \
+                       LDSHARED="$(LDSHARED)" \
+                       CCSHARED="$(CCSHARED)" \
+                       LINKFORSHARED="$(LINKFORSHARED)" \
+                       DESTSHARED="$(DESTSHARED)" \
+                       sharedinstall
+
 # Build the sub-Makefiles
 Makefiles:     config.status
                (cd Modules; $(MAKE) -f Makefile.pre Makefile)

diff --git a/configure.in b/configure.in
index 67ae07a0841c1f13a6a819ad2e8fe84b7866185a..e27fa5bb3321455ca4446f7b6d34ba542e8112ef 100644 (file)
--- a/configure.in
+++ b/configure.in
@@ -1,6 +1,6 @@
-dnl Process this file with autoconf 1.8 or later to produce a configure script.
+dnl Process this file with autoconf 1.8 or later to make a configure script.
 AC_REVISION($Revision$)dnl
-AC_PREREQ(1.8)dnl
+AC_PREREQ(1.11)dnl
 AC_INIT(Include/object.h)
 AC_CONFIG_HEADER(config.h)dnl
 # Don't suppress compiler output when --verbose is specified
@@ -59,6 +59,69 @@ AC_RETSIGTYPE
 AC_SIZE_T
 AC_UID_T
 
+# Set name for machine-dependent library files
+AC_SUBST(MACHDEP)
+if test -z "$MACHDEP"
+then
+       ac_system=`uname -s | tr '[[A-Z]]' '[[a-z]]'`
+       ac_release=`uname -r | sed 's/\..*//'`
+       MACHDEP="$ac_system$ac_release"
+       case MACHDEP in
+       '')     MACHDEP=unknown;;
+       esac
+       AC_VERBOSE(setting MACHDEP to '$MACHDEP')
+fi
+
+# Set info about shared libraries.
+# XXX This should try things out instead of testing uname!
+AC_SUBST(SO)
+AC_SUBST(LDSHARED)
+AC_SUBST(CCSHARED)
+AC_SUBST(LINKFORSHARED)
+ac_system=`uname -s`
+ac_release=`uname -r`
+# SO is the extension of shared libraries `(including the dot!)
+# -- usually .so, .sl on HP-UX
+if test -z "$SO"
+then
+       case $ac_system in
+       hp*|HP*) SO=.sl;;
+       *)      SO=.so;;
+       esac
+       AC_VERBOSE(setting SO to '$SO')
+fi
+# LDSHARED is the ld *command* used to create shared library
+# -- "ld" on SunOS 4.x.x, "ld -G" on SunOS 5.x, "ld -shared" on IRIX 5
+if test -z "$LDSHARED"
+then
+       case $ac_system/$ac_release in
+       IRIX*) LDSHARED="ld -shared";;
+       SunOS/4*) LDSHARED="ld";;
+       SunOS/5*) LDSHARED="ld -G";;
+       hp*|HP*) LDSHARED="ld -b";;
+       *)      LDSHARED="ld";;
+       esac
+       AC_VERBOSE(setting LDSHARED= to '$LDSHARED')
+fi
+# CCSHARED are the C *flags* used to create objects to go into a shared
+# library -- this is only needed for HP-UX
+if test -z "$CCSHARED"
+then
+       case $ac_system in
+       hp*|HP*) CCSHARED="+z";;
+       esac
+       AC_VERBOSE(setting CCSHARED= to '$CCSHARED')
+fi
+# LINKFORSHARED are the flags passed to the $(CC) command that links
+# the python executable -- this is only needed for HP-UX
+if test -z "$LINKFORSHARED"
+then
+       case $ac_system in
+       hp*|HP*) LINKFORSHARED="-Wl,-E";;
+       esac
+       AC_VERBOSE(setting LINKFORSHARED to '$LINKFORSHARED')
+fi
+
 # checks for libraries
 AC_HAVE_LIBRARY(dl)
 
@@ -151,7 +214,7 @@ AC_CHAR_UNSIGNED
 
 AC_CONST
 
-AC_COMPILE_CHECK([wheter we have signed char], [], [signed char c;], [], AC_DEFINE(signed, []))
+AC_COMPILE_CHECK([signed char], [], [signed char c;], [], AC_DEFINE(signed, []))
 
 AC_CHECKING(for prototypes)
 AC_TEST_PROGRAM([