Implemented configure --enable-pic flag to build the main lib with position-independant objects.

This avoids having to edit localdefs by hand to build the new php extension,
and voids the need for the Python module to recompile Recoll source files.

src/mk/commondefs

@@ -12,8 +12,8 @@ COMMONCXXFLAGS = -I. \
 	       -I$(depth)/utils 
 
 # We happen to be using gcc on all platforms for now. Can be overridden in
-# sys file anyway
-PIC_CXXFLAGS = -fPIC -DPIC
+# the sys file or localdefs
+SYSPICFLAGS = -fPIC -DPIC
 
 BIGLIB = $(depth)/lib/librcl.a
 

src/mk/localdefs.in

@@ -24,10 +24,14 @@ libdir = @libdir@
 
 RECOLL_DATADIR = ${datadir}/recoll
 
+@NOPIC@PICFLAGS = $(SYSPICFLAGS)
+
 LOCALCXXFLAGS = -g -O2 -Wall -Wno-unused \
 	      $(INCICONV) $(XAPIANCXXFLAGS) $(X_CFLAGS) \
 	      -DRECOLL_DATADIR=\"$(RECOLL_DATADIR)\" \
 	      -DLIBDIR=\"$(libdir)\" \
+	      $(PICFLAGS) \
 	      @DEFS@
 
 CXXFLAGS = @CXXFLAGS@
+