I was trying to use gcov on Postgres and ran into a problem where some contrib
modules were missing the key libcov symbols and failed to load. Korry very
helpfully tracked down the missing bit: the broken modules were ones built
using "gcc -shared" according to the rule in Makefile.linux which doesn't have

Actually better than adding -lcov, I think this rule really ought to have
CFLAGS in it in case there are other CFLAGS that are necessary at link time.

Index: src/makefiles/Makefile.linux
RCS file: /home/stark/src/REPOSITORY/pgsql/src/makefiles/Makefile.linux,v
retrieving revision 1.22
diff -c -r1.22 Makefile.linux
*** src/makefiles/Makefile.linux        9 Dec 2005 21:19:36 -0000       1.22
--- src/makefiles/Makefile.linux        11 Apr 2007 00:34:43 -0000
*** 11,16 ****
  %.so: %.o
!       $(CC) -shared -o $@ $<
  sqlmansect = 7
--- 11,16 ----
  %.so: %.o
!       $(CC) $(CFLAGS) -shared -o $@ $<
  sqlmansect = 7

  Gregory Stark
  EnterpriseDB          http://www.enterprisedb.com

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