>From 5fdf8e14a39bb8ebca04ac394fb35a72a7695759 Mon Sep 17 00:00:00 2001
From: Olivier Fourdan <address@hidden>
Date: Tue, 2 Dec 2014 11:49:54 +0100
Subject: [PATCH] Fix build from scratch

- Add autogen.sh to bootstrap autotools generation
- Make generation of man pages optional, and check for
  availibity of latex2man if documentation is requested.

Signed-off-by: Olivier Fourdan <address@hidden>
---
 autogen.sh   |  9 +++++++++
 configure.ac | 14 +++++++++++++-
 2 files changed, 22 insertions(+), 1 deletion(-)
 create mode 100755 autogen.sh

diff --git a/autogen.sh b/autogen.sh
new file mode 100755
index 0000000..b08bc83
--- /dev/null
+++ b/autogen.sh
@@ -0,0 +1,9 @@
+#!/bin/sh
+
+test -n "$srcdir" || srcdir=`dirname "$0"`
+test -n "$srcdir" || srcdir=.
+(
+  cd "$srcdir" &&
+  autoreconf --force -v --install
+) || exit
+test -n "$NOCONFIGURE" || "$srcdir/configure" "$@"
diff --git a/configure.ac b/configure.ac
index 582e71f..e66a769 100644
--- a/configure.ac
+++ b/configure.ac
@@ -124,6 +124,10 @@ AC_ARG_ENABLE(setjmp,
         [AS_IF([test x$target_arch == x$host_arch], [enable_setjmp=yes], [enable_setjmp=no])]
 )
 
+AC_ARG_ENABLE(documentation,
+	AS_HELP_STRING([--disable-documentation],[Disable generating the man pages]),,
+	[enable_documentation=yes])
+
 AC_MSG_CHECKING([if we should build libunwind-setjmp])
 AC_MSG_RESULT([$enable_setjmp])
 
@@ -380,8 +384,16 @@ AC_SUBST(enable_cxx_exceptions)
 AC_SUBST(enable_debug_frame)
 AC_SUBST(DLLIB)
 
+if test "x$enable_documentation" = "xyes"; then
+  AC_PATH_PROG([LATEX2MAN],[latex2man])
+  if test "x$LATEX2MAN" = "x"; then
+    AC_MSG_ERROR([latex2man not found. Install latex2man or disable documentation using --disable-documentation])
+  fi
+  AC_CONFIG_FILES(doc/Makefile doc/common.tex)
+fi
+
 AC_CONFIG_FILES(Makefile src/Makefile tests/Makefile tests/check-namespace.sh
-		doc/Makefile doc/common.tex include/libunwind-common.h
+		include/libunwind-common.h
                 include/libunwind.h include/tdep/libunwind_i.h)
 AC_CONFIG_FILES(src/unwind/libunwind.pc src/coredump/libunwind-coredump.pc
                 src/ptrace/libunwind-ptrace.pc src/setjmp/libunwind-setjmp.pc
-- 
2.1.0