From 95acd408e72f0b36041823866c56ce0dd2d94319 Mon Sep 17 00:00:00 2001
From: Vitor Santos Costa <vsc@dcc.fc.up.pt>
Date: Wed, 27 Oct 2010 10:11:19 +0100
Subject: [PATCH] support DragonFly BSD (patch from Aleksej Saushev)

---
 C/sysbits.c                     | 4 ++--
 H/Yap.h                         | 4 ++--
 configure                       | 2 +-
 configure.in                    | 2 +-
 packages/clib/sha1/brg_endian.h | 2 +-
 5 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/C/sysbits.c b/C/sysbits.c
index e5336667b..30491f445 100755
--- a/C/sysbits.c
+++ b/C/sysbits.c
@@ -293,7 +293,7 @@ InitPageSize(void)
   GetSystemInfo(&si);
   Yap_page_size = si.dwPageSize;
 #elif HAVE_UNISTD_H
-#ifdef __FreeBSD__
+#if defined(__FreeBSD__) || defined(__DragonFly__)
   Yap_page_size = getpagesize();
 #elif defined(_AIX)
   Yap_page_size = sysconf(_SC_PAGE_SIZE);
@@ -575,7 +575,7 @@ void Yap_systime_interval(Int *now,Int *interval)
 #define TicksPerSec	CLK_TCK
 #endif
 
-#if defined(__alpha) || defined(__FreeBSD__) || defined(__linux__)
+#if defined(__alpha) || defined(__FreeBSD__) || defined(__linux__) || defined(__DragonFly__)
 
 #if HAVE_TIME_H
 #include <time.h>
diff --git a/H/Yap.h b/H/Yap.h
index 3cfe37d0e..44ec886fa 100755
--- a/H/Yap.h
+++ b/H/Yap.h
@@ -262,7 +262,7 @@ extern char Yap_Option[20];
 #endif
 
 #if !defined(IN_SECOND_QUADRANT)
-#if __linux__ || __FreeBSD__ || __NetBSD__ || mips || __APPLE__
+#if defined(__linux__) || defined(__FreeBSD__) || defined(__NetBSD__) || defined(mips) || defined(__APPLE__) || defined(__DragonFly__)
 #if defined(YAPOR) && defined(__alpha)
 
 #define MMAP_ADDR 0x40000000
@@ -688,7 +688,7 @@ typedef enum
 	if you place things in the lower addresses (power to the libc people).
 */
 
-#if (defined(_AIX) || (defined(__APPLE__) && !defined(__LP64__)) || defined(_WIN32) || defined(sparc) || defined(__sparc) || defined(mips) || defined(__FreeBSD__) || defined(_POWER) || defined(__POWERPC__) || defined(__linux__) || defined(IN_SECOND_QUADRANT) || defined(__CYGWIN__)) || defined(__NetBSD__)
+#if (defined(_AIX) || (defined(__APPLE__) && !defined(__LP64__)) || defined(_WIN32) || defined(sparc) || defined(__sparc) || defined(mips) || defined(__FreeBSD__) || defined(_POWER) || defined(__POWERPC__) || defined(__linux__) || defined(IN_SECOND_QUADRANT) || defined(__CYGWIN__)) || defined(__NetBSD__) || defined(__DragonFly__)
 #define USE_LOW32_TAGS 1
 #endif
 
diff --git a/configure b/configure
index 5cbd4d0a6..0aea35d4b 100755
--- a/configure
+++ b/configure
@@ -7166,7 +7166,7 @@ fi
         YAPLIB_LD="$CC -dynamiclib -Wl,-install_name,$prefix/lib/libYap.dylib"
         PRE_INSTALL_ENV="DYLD_LIBRARY_PATH=\$(abs_top_builddir)"
 	;;
-      *netbsd*|*freebsd*)
+      *netbsd*|*openbsd*|*freebsd*|*dragonfly*)
 	if echo __ELF__ | ${CC:-cc} -E - | grep -q __ELF__
         then
 	  #an a.out system
diff --git a/configure.in b/configure.in
index 3f131d636..920d01acd 100755
--- a/configure.in
+++ b/configure.in
@@ -1069,7 +1069,7 @@ dnl Linux has both elf and a.out, in this case we found elf
         YAPLIB_LD="$CC -dynamiclib -Wl,-install_name,$prefix/lib/libYap.dylib"
         PRE_INSTALL_ENV="DYLD_LIBRARY_PATH=\$(abs_top_builddir)"
 	;;
-      *netbsd*|*freebsd*)
+      *netbsd*|*openbsd*|*freebsd*|*dragonfly*)
 	if echo __ELF__ | ${CC:-cc} -E - | grep -q __ELF__
         then
 	  #an a.out system 	
diff --git a/packages/clib/sha1/brg_endian.h b/packages/clib/sha1/brg_endian.h
index 4f7eee0ed..7609e4b0c 100644
--- a/packages/clib/sha1/brg_endian.h
+++ b/packages/clib/sha1/brg_endian.h
@@ -39,7 +39,7 @@
 /* Include files where endian defines and byteswap functions may reside */
 #if defined(__sun__)
 #  include <sys/isa_defs.h>
-#elif defined( __FreeBSD__ ) || defined( __OpenBSD__ ) || defined( __NetBSD__ )
+#elif defined( __FreeBSD__ ) || defined( __OpenBSD__ ) || defined( __NetBSD__ ) || defined( __DragonFly__ )
 #  include <sys/endian.h>
 #elif defined( BSD ) && ( BSD >= 199103 ) || defined( __APPLE__ ) || \
       defined( __CYGWIN32__ ) || defined( __DJGPP__ ) || defined( __osf__ )