[postgis-devel] build break in lwgeom

[Greg Troxel]

  It works for me with a very similar set-up. The error is consistent
  with not finding the projects.h file, which in turn would be
  consistent with failing to re-run ./configure and pick up a chance in
  liblwgeom.h.in. However you say you're configuring each time, so I
  dunno.

Thanks for the hint.  I built the offending file with -E to study the
twisty maze of includes, and found that it was picking up
/usr/pkg/include/liblwgeom.h left over from an earlier install (of
2.0svn).

The problem is that libpgcommon puts PROJ_CPPFLAGS before
-I../liblwgeom, and thus if proj's prefix is the same as the prefix of
a previous installation of postgis will get the old liblwgeom.h.  The
following fixes the issue for me.   There is a similar issue in
postgis/Makefile.in where @CPPFLAGS@ precedes the ../ inclusions, and I
think that should be changed also.



Index: libpgcommon/Makefile.in
===================================================================
--- libpgcommon/Makefile.in	(revision 9058)
+++ libpgcommon/Makefile.in	(working copy)
@@ -11,7 +11,7 @@
 # **********************************************************************
 
 CC=@CC@
-CFLAGS=@CFLAGS@ @PGSQL_BE_CPPFLAGS@ @PROJ_CPPFLAGS@ -I../liblwgeom @PICFLAGS@ @WARNFLAGS@ @GETTEXT_CFLAGS@
+CFLAGS=@CFLAGS@ -I../liblwgeom @PGSQL_BE_CPPFLAGS@ @PROJ_CPPFLAGS@ @PICFLAGS@ @WARNFLAGS@ @GETTEXT_CFLAGS@
 LDFLAGS=@GETTEXT_LDFLAGS@ @LIBINTL@
 
 NUMERICFLAGS=@NUMERICFLAGS@
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