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authorGravatar Tomi Ollila <tomi.ollila@iki.fi>2012-06-24 21:48:34 +0300
committerGravatar David Bremner <bremner@debian.org>2012-06-29 22:24:17 -0300
commitd796dad4edce71c1cfb245ffd2c438f26c84f804 (patch)
treee0925ff92907b47bcbca85b3523ce69bfbda45fe /bindings
parentae1940cedc16a551b9f20d9ef77400dae26f8020 (diff)
ruby: extern linkage portability improvement
Some C compilers are stricter when it comes to (tentative) definition of a variable -- in those compilers introducing variable without 'extern' keyword always allocates new 'storage' to the variable and linking all these modules fails due to duplicate symbols. This is reimplementation of Charlie Allom's patch: id:"1336481467-66356-1-git-send-email-charlie@mediasp.com", written originally by Ali Polatel. This version has more accurate commit message.
Diffstat (limited to 'bindings')
-rw-r--r--bindings/ruby/defs.h50
-rw-r--r--bindings/ruby/init.c26
2 files changed, 51 insertions, 25 deletions
diff --git a/bindings/ruby/defs.h b/bindings/ruby/defs.h
index 3f9512ba..fe81b3f9 100644
--- a/bindings/ruby/defs.h
+++ b/bindings/ruby/defs.h
@@ -24,31 +24,31 @@
#include <notmuch.h>
#include <ruby.h>
-VALUE notmuch_rb_cDatabase;
-VALUE notmuch_rb_cDirectory;
-VALUE notmuch_rb_cFileNames;
-VALUE notmuch_rb_cQuery;
-VALUE notmuch_rb_cThreads;
-VALUE notmuch_rb_cThread;
-VALUE notmuch_rb_cMessages;
-VALUE notmuch_rb_cMessage;
-VALUE notmuch_rb_cTags;
-
-VALUE notmuch_rb_eBaseError;
-VALUE notmuch_rb_eDatabaseError;
-VALUE notmuch_rb_eMemoryError;
-VALUE notmuch_rb_eReadOnlyError;
-VALUE notmuch_rb_eXapianError;
-VALUE notmuch_rb_eFileError;
-VALUE notmuch_rb_eFileNotEmailError;
-VALUE notmuch_rb_eNullPointerError;
-VALUE notmuch_rb_eTagTooLongError;
-VALUE notmuch_rb_eUnbalancedFreezeThawError;
-VALUE notmuch_rb_eUnbalancedAtomicError;
-
-ID ID_call;
-ID ID_db_create;
-ID ID_db_mode;
+extern VALUE notmuch_rb_cDatabase;
+extern VALUE notmuch_rb_cDirectory;
+extern VALUE notmuch_rb_cFileNames;
+extern VALUE notmuch_rb_cQuery;
+extern VALUE notmuch_rb_cThreads;
+extern VALUE notmuch_rb_cThread;
+extern VALUE notmuch_rb_cMessages;
+extern VALUE notmuch_rb_cMessage;
+extern VALUE notmuch_rb_cTags;
+
+extern VALUE notmuch_rb_eBaseError;
+extern VALUE notmuch_rb_eDatabaseError;
+extern VALUE notmuch_rb_eMemoryError;
+extern VALUE notmuch_rb_eReadOnlyError;
+extern VALUE notmuch_rb_eXapianError;
+extern VALUE notmuch_rb_eFileError;
+extern VALUE notmuch_rb_eFileNotEmailError;
+extern VALUE notmuch_rb_eNullPointerError;
+extern VALUE notmuch_rb_eTagTooLongError;
+extern VALUE notmuch_rb_eUnbalancedFreezeThawError;
+extern VALUE notmuch_rb_eUnbalancedAtomicError;
+
+extern ID ID_call;
+extern ID ID_db_create;
+extern ID ID_db_mode;
/* RSTRING_PTR() is new in ruby-1.9 */
#if !defined(RSTRING_PTR)
diff --git a/bindings/ruby/init.c b/bindings/ruby/init.c
index 3fe60fb7..f4931d34 100644
--- a/bindings/ruby/init.c
+++ b/bindings/ruby/init.c
@@ -20,6 +20,32 @@
#include "defs.h"
+VALUE notmuch_rb_cDatabase;
+VALUE notmuch_rb_cDirectory;
+VALUE notmuch_rb_cFileNames;
+VALUE notmuch_rb_cQuery;
+VALUE notmuch_rb_cThreads;
+VALUE notmuch_rb_cThread;
+VALUE notmuch_rb_cMessages;
+VALUE notmuch_rb_cMessage;
+VALUE notmuch_rb_cTags;
+
+VALUE notmuch_rb_eBaseError;
+VALUE notmuch_rb_eDatabaseError;
+VALUE notmuch_rb_eMemoryError;
+VALUE notmuch_rb_eReadOnlyError;
+VALUE notmuch_rb_eXapianError;
+VALUE notmuch_rb_eFileError;
+VALUE notmuch_rb_eFileNotEmailError;
+VALUE notmuch_rb_eNullPointerError;
+VALUE notmuch_rb_eTagTooLongError;
+VALUE notmuch_rb_eUnbalancedFreezeThawError;
+VALUE notmuch_rb_eUnbalancedAtomicError;
+
+ID ID_call;
+ID ID_db_create;
+ID ID_db_mode;
+
/*
* Document-module: Notmuch
*