From c970ba72369cba043f8f8db711bd0ffdc1f589e0 Mon Sep 17 00:00:00 2001
From: Abdoulaye Walsimou Gaye <awg@embtoolkit.org>
Date: Mon, 27 Jul 2015 21:29:45 +0200
Subject: Build system: initial cygwin support

This is an initial cygwin support reported by its contributor, Jonathan L,
to produce a working gcc cross compiler for arm.

Signed-off-by: Jonathan L<jlynam@gmail.com>
Signed-off-by: Abdoulaye Walsimou Gaye <awg@embtoolkit.org>
---
 core/mk/glibc.mk         | 13 +++++++++++++
 core/mk/host-support.mk  |  8 ++++++++
 scripts/kconfig/Makefile |  4 +++-
 3 files changed, 24 insertions(+), 1 deletion(-)

diff --git a/core/mk/glibc.mk b/core/mk/glibc.mk
index cbc9e8b..ffd4879 100644
--- a/core/mk/glibc.mk
+++ b/core/mk/glibc.mk
@@ -42,6 +42,10 @@ embtk_glibc_cflags	:= $(subst -O0,-O1,$(__embtk_glibc_cflags))
 # Hard or soft floating point in glibc?
 embtk_glibc_floattype := $(if $(CONFIG_EMBTK_SOFTFLOAT),--with-fp=no,--with-fp=yes)
 
+
+#
+# BSD systems compat
+#
 ifeq ($(embtk_buildhost_os_type),bsd)
 embtk_glibc_buildcflags		:= -I/opt/local/include -I/usr/local/include -Dstat64=stat
 ifeq ($(embtk_buildhost_os),macos)
@@ -50,6 +54,15 @@ endif
 embtk_glibc_buildldflags	:= -L/opt/local/lib -L/usr/local/lib -lintl
 endif
 
+#
+# cygwin compat
+#
+ifeq ($(embtk_buildhost_os_type),cygwin)
+embtk_glibc_buildcflags		:= -Dstat64=stat
+embtk_glibc_buildldflags	:= -lintl
+endif
+
+
 #
 # glibc install
 #
diff --git a/core/mk/host-support.mk b/core/mk/host-support.mk
index 9348e1d..4e900c3 100644
--- a/core/mk/host-support.mk
+++ b/core/mk/host-support.mk
@@ -62,6 +62,10 @@ embtk_buildhost_os      := macos
 embtk_buildhost_os_type := bsd
 embtk_buildhost-macos   := y
 embtk_buildhost-bsd     := y
+else ifeq ($(findstring cygwin,$(HOST_ARCH)),cygwin)
+embtk_buildhost_os      := cygwin
+embtk_buildhost_os_type := cygwin
+embtk_buildhost-cygwin  := y
 else
 embtk_buildhost_os	:= unknown-host-os
 endif
@@ -90,6 +94,10 @@ HOSTCFLAGS		= -Wall -O2 -I$(embtk_htools)/usr/include
 HOSTCXXFLAGS		= -Wall -O2 -I$(embtk_htools)/usr/include
 HOSTLDFLAGS		=
 
+ifeq ($(embtk_buildhost_os),cygwin)
+HOSTLDFLAGS		+= -lintl
+endif
+
 ifeq ($(embtk_buildhost_os),macos)
 HOSTCFLAGS		+= -I/opt/local/include -I$(embtk_includedir)
 HOSTLDFLAGS		+= -L/opt/local/lib -lintl
diff --git a/scripts/kconfig/Makefile b/scripts/kconfig/Makefile
index 5dcac0f..f5a6163 100644
--- a/scripts/kconfig/Makefile
+++ b/scripts/kconfig/Makefile
@@ -127,6 +127,7 @@ help:
 
 # lxdialog stuff
 check-lxdialog  := $(srctree)/$(src)/lxdialog/check-lxdialog.sh
+check-lxdialog  := $(subst //,/,$(check-lxdialog))
 
 # Use recursively expanded variables so we do not call gcc unless
 # we really need to do so. (Do not call gcc as part of make mrproper)
@@ -201,7 +202,8 @@ $(obj)/dochecklxdialog:
 always := dochecklxdialog
 
 # Add environment specific flags
-HOST_EXTRACFLAGS += $(shell $(CONFIG_SHELL) $(srctree)/$(src)/check.sh $(HOSTCC) $(HOSTCFLAGS))
+check-sh-script := $(subst //,/,$(srctree)/$(src)/check.sh)
+HOST_EXTRACFLAGS += $(shell $(CONFIG_SHELL) $(check-sh-script) $(HOSTCC) $(HOSTCFLAGS))
 
 # generated files seem to need this to find local include files
 HOSTCFLAGS_zconf.lex.o	:= -I$(src)
-- 
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