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Date: Thu, 22 Feb 2007 19:43:43 -0800
From: Deepak Saxena <dsaxena@...xity.net>
To: Linus Torvalds <torvalds@...l.org>
Cc: linux-kernel@...r.kernel.org
Subject: [PATCH] Allow kernel to build on Cygwin
This patch contains a set of small fixes to allow the kernel to build under
the Cygwin environment, which is unfortunately used by more people than
one would think in the embedded world. :(
Signed-off-by: Deepak Saxena <dsaxena@...sta.com>
---
lib/gen_crc32table.c | 2 ++
scripts/kconfig/Makefile | 6 ++++++
scripts/kconfig/lxdialog/check-lxdialog.sh | 4 ++++
scripts/mod/file2alias.c | 4 ++++
scripts/mod/mk_elfconfig.c | 4 ++++
scripts/mod/modpost.h | 4 ++++
scripts/mod/sumversion.c | 6 +++++-
7 files changed, 29 insertions(+), 1 deletion(-)
diff --git a/lib/gen_crc32table.c b/lib/gen_crc32table.c
index bea5d97..ce447ff 100644
--- a/lib/gen_crc32table.c
+++ b/lib/gen_crc32table.c
@@ -1,6 +1,8 @@
#include <stdio.h>
#include "crc32defs.h"
+#ifndef __CYGWIN__
#include <inttypes.h>
+#endif
#define ENTRIES_PER_LINE 4
diff --git a/scripts/kconfig/Makefile b/scripts/kconfig/Makefile
index 7e7e147..ca57efe 100644
--- a/scripts/kconfig/Makefile
+++ b/scripts/kconfig/Makefile
@@ -161,6 +161,12 @@ HOSTLOADLIBES_gconf = `pkg-config --libs
HOSTCFLAGS_gconf.o = `pkg-config --cflags gtk+-2.0 gmodule-2.0 libglade-2.0` \
-D LKC_DIRECT_LINK
+HOST_OS := $(shell uname -o)
+ifeq ($(HOST_OS),Cygwin)
+HOSTLOADLIBES_mconf = -lintl
+HOSTLOADLIBES_conf = -lintl
+endif
+
$(obj)/qconf.o: $(obj)/.tmp_qtcheck
ifeq ($(qconf-target),1)
diff --git a/scripts/kconfig/lxdialog/check-lxdialog.sh b/scripts/kconfig/lxdialog/check-lxdialog.sh
index 120d624..c44b559 100644
--- a/scripts/kconfig/lxdialog/check-lxdialog.sh
+++ b/scripts/kconfig/lxdialog/check-lxdialog.sh
@@ -4,6 +4,10 @@ # Check ncurses compatibility
# What library to link
ldflags()
{
+ if [ "`uname -o`" == "Cygwin" ]; then
+ echo '-lintl -lncurses'
+ exit
+ fi
$cc -print-file-name=libncursesw.so | grep -q /
if [ $? -eq 0 ]; then
echo '-lncursesw'
diff --git a/scripts/mod/file2alias.c b/scripts/mod/file2alias.c
index f61c9cc..479293f 100644
--- a/scripts/mod/file2alias.c
+++ b/scripts/mod/file2alias.c
@@ -29,7 +29,11 @@ #endif
#include <ctype.h>
+#if defined(__CYGWIN__)
+typedef __uint32_t __u32;
+#else
typedef uint32_t __u32;
+#endif
typedef uint16_t __u16;
typedef unsigned char __u8;
diff --git a/scripts/mod/mk_elfconfig.c b/scripts/mod/mk_elfconfig.c
index 725d61c..4908f7a 100644
--- a/scripts/mod/mk_elfconfig.c
+++ b/scripts/mod/mk_elfconfig.c
@@ -1,7 +1,11 @@
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
+#ifdef __CYGWIN__
+#include <libelf.h>
+#else
#include <elf.h>
+#endif
int
main(int argc, char **argv)
diff --git a/scripts/mod/modpost.h b/scripts/mod/modpost.h
index d398c61..7cdf2c6 100644
--- a/scripts/mod/modpost.h
+++ b/scripts/mod/modpost.h
@@ -7,7 +7,11 @@ #include <sys/stat.h>
#include <sys/mman.h>
#include <fcntl.h>
#include <unistd.h>
+#ifdef __CYGWIN__
+#include <libelf.h>
+#else
#include <elf.h>
+#endif
#include "elfconfig.h"
diff --git a/scripts/mod/sumversion.c b/scripts/mod/sumversion.c
index 8a28756..4404f87 100644
--- a/scripts/mod/sumversion.c
+++ b/scripts/mod/sumversion.c
@@ -1,7 +1,11 @@
+#if defined(__sun__)
#include <netinet/in.h>
-#ifdef __sun__
#include <inttypes.h>
+#elif defined(__CYGWIN__)
+#include <asm/byteorder.h> /* For ntohl/htonl */
+#include <limits.h>
#else
+#include <netinet/in.h>
#include <stdint.h>
#endif
#include <ctype.h>
--
Deepak Saxena - dsaxena@...xity.net - http://www.plexity.net
In the end, they will not say, "those were dark times," they will ask
"why were their poets silent?" - Bertolt Brecht
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