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Re: [PATCH] Don't link ecj1 against libgcj.so.* (PR libgcj/38396)


> Which of those OSes support libgcj_bc.so?  None, I think.

Hmm, yes, none.

> Despite my crossness about how this happened, I'm tempted to accept
> Jakub's patch because it's less intrusive than mine.

I'll leave to you.  What I did not undersstand by the way is why, for
!ENABLE_SHARED, the specs do not already include -lgcj.

In other words, something like this, if it works at all, should fix the PR:

Index: configure.ac
===================================================================
--- configure.ac        (revisione 134435)
+++ configure.ac        (copia locale)
@@ -983,9 +983,11 @@ AC_CONFIG_LINKS(sysdep/locks.h:sysdep/$s
 AC_CONFIG_LINKS(sysdep/backtrace.h:$fallback_backtrace_h)
 AC_CONFIG_LINKS(sysdep/descriptor.h:$descriptor_h)

+case "$use_libgcj_bc:$enable_shared" in
+  yes:yes) LIBGCJ_SPEC="%{s-bc-abi:-lgcj_bc;:-lgcj}"
+  yes:no) LIBGCJ_SPEC="%{s-bc-abi:-lgcj_bc} -lgcj"
+  no:*) LIBGCJ_SPEC="%{s-bc-abi:} -lgcj"
+esac
 LIBGCJ_SPEC="%{s-bc-abi:} -lgcj"
-if test "$use_libgcj_bc" = yes; then
-  LIBGCJ_SPEC="%{s-bc-abi:-lgcj_bc;:-lgcj}"
-fi
 AC_SUBST(LIBGCJ_SPEC)

Index: Makefile.am
===================================================================
--- Makefile.am (revisione 134435)
+++ Makefile.am (copia locale)
@@ -711,7 +711,7 @@ gij_LDADD = -L$(here)/.libs libgij.la
 gij_DEPENDENCIES = libgij.la

 ## Build an ecjx from a .jar.
-ecjx_SOURCES =
+ecjx_SOURCES = dummy.cc
 ## We use the BC ABI here so that we don't need to compile ecj.jar.
 ## Hopefully the user has compiled it into his system .db.
 ## However, even if not it will run reasonably quickly.
@@ -732,6 +732,6 @@ else !ENABLE_SHARED
 endif !ENABLE_SHARED

-ecjx_LDADD = -L$(here)/.libs libgcj.la
+ecjx_LDADD = -L$(here)/.libs
 ecjx_DEPENDENCIES = libgcj.la libgcj.spec
 if USE_LIBGCJ_BC
 ecjx_DEPENDENCIES += libgcj_bc.la


Paolo


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