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+From: Austin Clements <amdragon@MIT.EDU>\r
+To: notmuch@notmuchmail.org\r
+Subject: [PATCH] Support OpenBSD\r
+Date: Wed, 24 Oct 2012 17:43:28 -0400\r
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+Cc: ccutler@csail.mit.edu\r
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+\r
+OpenBSD's build flags are identical to FreeBSD, except that libraries\r
+need to be explicitly linked against libc. No code changes are\r
+necessary.\r
+\r
+From: Cody Cutler <ccutler@csail.mit.edu>\r
+---\r
+ configure | 6 +++++-\r
+ lib/Makefile.local | 3 +++\r
+ 2 files changed, 8 insertions(+), 1 deletion(-)\r
+\r
+diff --git a/configure b/configure\r
+index acb90a8..232d847 100755\r
+--- a/configure\r
++++ b/configure\r
+@@ -378,6 +378,10 @@ elif [ $uname = "FreeBSD" ] ; then\r
+ printf "FreeBSD.\n"\r
+ platform=FREEBSD\r
+ linker_resolves_library_dependencies=0\r
++elif [ $uname = "OpenBSD" ] ; then\r
++ printf "OpenBSD.\n"\r
++ platform=OPENBSD\r
++ linker_resolves_library_dependencies=0\r
+ elif [ $uname = "Linux" ] || [ $uname = "GNU" ] ; then\r
+ printf "$uname\n"\r
+ platform="$uname"\r
+@@ -667,7 +671,7 @@ HAVE_GETLINE = ${have_getline}\r
+ # build its own version)\r
+ HAVE_STRCASESTR = ${have_strcasestr}\r
+ \r
+-# Supported platforms (so far) are: LINUX, MACOSX, SOLARIS, FREEBSD\r
++# Supported platforms (so far) are: LINUX, MACOSX, SOLARIS, FREEBSD, OPENBSD\r
+ PLATFORM = ${platform}\r
+ \r
+ # Whether the linker will automatically resolve the dependency of one\r
+diff --git a/lib/Makefile.local b/lib/Makefile.local\r
+index 8a9aa28..34e998f 100644\r
+--- a/lib/Makefile.local\r
++++ b/lib/Makefile.local\r
+@@ -31,6 +31,9 @@ LINKER_NAME = libnotmuch.$(LIBRARY_SUFFIX)\r
+ SONAME = $(LINKER_NAME).$(LIBNOTMUCH_VERSION_MAJOR)\r
+ LIBNAME = $(SONAME).$(LIBNOTMUCH_VERSION_MINOR).$(LIBNOTMUCH_VERSION_RELEASE)\r
+ LIBRARY_LINK_FLAG = -shared -Wl,--version-script=notmuch.sym,-soname=$(SONAME) -Wl,--no-undefined\r
++ifeq ($(PLATFORM),OPENBSD)\r
++LIBRARY_LINK_FLAG += -lc\r
++endif\r
+ ifeq ($(LIBDIR_IN_LDCONFIG),1)\r
+ ifeq ($(DESTDIR),)\r
+ LIBRARY_INSTALL_POST_COMMAND=ldconfig\r
+-- \r
+1.7.10\r
+\r