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[Libguestfs] [PATCH] hivexsh: Conditionally build for Mac OS X



OS X lacks open_memstream, causing hivexsh to fail to build.  This patch
defines HAVE_HIVEXSH, setting the only condition to open_memstream
existence.

Signed-off-by: Alex Nelson <ajnelson cs ucsc edu>
---
 Makefile.am  |    6 +++++-
 configure.ac |    4 ++++
 2 files changed, 9 insertions(+), 1 deletions(-)

diff --git a/Makefile.am b/Makefile.am
index 8d69c55..dbab38a 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -20,7 +20,11 @@ ACLOCAL_AMFLAGS = -I m4
 # Work around broken libtool.
 export to_tool_file_cmd=func_convert_file_noop
 
-SUBDIRS = gnulib/lib generator lib images gnulib/tests sh xml po
+SUBDIRS = gnulib/lib generator lib images gnulib/tests xml po
+
+if HAVE_HIVEXSH
+SUBDIRS += sh
+endif
 
 if HAVE_OCAML
 SUBDIRS += ocaml
diff --git a/configure.ac b/configure.ac
index d7520e7..ce9dd48 100644
--- a/configure.ac
+++ b/configure.ac
@@ -135,6 +135,7 @@ AC_CHECK_HEADERS([byteswap.h endian.h libintl.h])
 
 dnl Functions.
 AC_CHECK_FUNCS([bindtextdomain])
+AC_CHECK_FUNCS([open_memstream])
 
 dnl Check for pod2man and pod2text.
 AC_CHECK_PROG([POD2MAN],[pod2man],[pod2man],[no])
@@ -173,6 +174,9 @@ PKG_CHECK_MODULES([LIBXML2], [libxml-2.0])
 AC_SUBST([LIBXML2_CFLAGS])
 AC_SUBST([LIBXML2_LIBS])
 
+dnl hivexsh depends on open_memstream, which is absent on OS X.
+AM_CONDITIONAL([HAVE_HIVEXSH],[test "x$HAVE_OPEN_MEMSTREAM" = "xyes"])
+
 dnl Check for OCaml (optional, for OCaml bindings).
 AC_PROG_OCAML
 AC_PROG_FINDLIB
-- 
1.7.4.4



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