Update Android port

* INSTALL.android: Explain how to build selinux.
* configure.ac: Enable selinux on Android.
* cross/ndk-build/ndk-build-shared-library.mk: ($(call
objname,$(LOCAL_MODULE),$(basename $(1))))::($$(error
Unsupported suffix)::(NDK_CFLAGS_$(LOCAL_MODULE)):
* cross/ndk-build/ndk-build-static-library.mk: ($(call
objname,$(LOCAL_MODULE),$(basename $(1))))::($$(error
Unsupported suffix)::(NDK_CFLAGS_$(LOCAL_MODULE)): Correctly
handle files with a .cc suffix, and clang-specific asflags.
* cross/ndk-build/ndk-clear-vars.mk: Handle AOSP extensions
LOCAL_ADDITIONAL_DEPENDENCIES,
LOCAL_CLANG_ASFLAGS_$(NDK_BUILD_ARCH) and LOCAL_IS_HOST_MODULE.

* doc/emacs/android.texi (Android Startup): Explain emacsclient
wrapper.

* java/org/gnu/emacs/EmacsView.java (EmacsView): New flag
`isCurrentlyTextEditor'.
(showOnScreenKeyboard, hideOnScreenKeyboard): Set as
appropriate.
(onCheckIsTextEditor): Return its value.

* lisp/touch-screen.el (touch-screen-handle-scroll): Don't ding
at buffer limits.
* m4/ndk-build.m4: Improve doc.

* src/Makefile.in (LIBSELINUX_CFLAGS): New variable.
(EMACS_CFLAGS): Add it.

3 files changed, 20 insertions, 2 deletions

diff --git a/cross/ndk-build/ndk-build-shared-library.mk b/cross/ndk-build/ndk-build-shared-library.mk
index 5842486a1af..be4d16cb4ed 100644
--- a/cross/ndk-build/ndk-build-shared-library.mk
+++ b/cross/ndk-build/ndk-build-shared-library.mk
@@ -51,7 +51,14 @@ $(call objname,$(LOCAL_MODULE),$(basename $(1))): $(LOCAL_PATH)/$(1)
 
 else
 ifneq (x$(suffix $(1)),x.asm)
+ifeq (x$(suffix $(1)),x.cc)
+
+$(call objname,$(LOCAL_MODULE),$(basename $(1))): $(LOCAL_PATH)/$(1)
+	$(NDK_BUILD_CC) -c $$< -o $$@ $(NDK_CFLAGS_$(LOCAL_MODULE)) $(NDK_CXXFLAGS_$(LOCAL_MODULE))
+
+else
 $$(error Unsupported suffix: $(suffix $(1)))
+endif
 else
 ifneq (x$(LOCAL_ASM_RULE_DEFINED),x)
 # Call this function to define a rule that will generate $(1) from
@@ -82,7 +89,7 @@ endef
 # $(LOCAL_PATH).
 NDK_CFLAGS_$(LOCAL_MODULE)	 := $(addprefix -I,$(LOCAL_C_INCLUDES))
 NDK_CFLAGS_$(LOCAL_MODULE)	 += -fPIC -iquote $(LOCAL_PATH) $(LOCAL_EXPORT_CFLAGS) $(LOCAL_CFLAGS) $(LOCAL_CFLAGS_$(NDK_BUILD_ARCH))
-NDK_ASFLAGS_$(LOCAL_MODULE) := $(LOCAL_ASFLAGS) $(LOCAL_ASFLAGS_$(NDK_BUILD_ARCH))
+NDK_ASFLAGS_$(LOCAL_MODULE) := $(LOCAL_ASFLAGS) $(LOCAL_ASFLAGS_$(NDK_BUILD_ARCH)) $(and $(findstring clang,$(NDK_BUILD_CC)),$(LOCAL_CLANG_ASFLAGS_$(NDK_BUILD_ARCH)))
 NDK_LDFLAGS_$(LOCAL_MODULE) := $(LOCAL_LDLIBS) $(LOCAL_LDFLAGS)
 NDK_CXXFLAGS_$(LOCAL_MODULE) := $(LOCAL_CPPFLAGS) $(LOCAL_RTTI_FLAG)
 
diff --git a/cross/ndk-build/ndk-build-static-library.mk b/cross/ndk-build/ndk-build-static-library.mk
index f6df38e4c0b..ebcc3cd531d 100644
--- a/cross/ndk-build/ndk-build-static-library.mk
+++ b/cross/ndk-build/ndk-build-static-library.mk
@@ -43,7 +43,14 @@ $(call objname,$(LOCAL_MODULE),$(basename $(1))): $(LOCAL_PATH)/$(1)
 
 else
 ifneq (x$(suffix $(1)),x.asm)
+ifeq (x$(suffix $(1)),x.cc)
+
+$(call objname,$(LOCAL_MODULE),$(basename $(1))): $(LOCAL_PATH)/$(1)
+	$(NDK_BUILD_CC) -c $$< -o $$@ $(NDK_CFLAGS_$(LOCAL_MODULE)) $(NDK_CXXFLAGS_$(LOCAL_MODULE))
+
+else
 $$(error Unsupported suffix: $(suffix $(1)))
+endif
 else
 ifneq (x$(LOCAL_ASM_RULE_DEFINED),x)
 # Call this function to define a rule that will generate $(1) from
@@ -71,7 +78,7 @@ endef
 
 NDK_CFLAGS_$(LOCAL_MODULE)  := $(addprefix -I,$(LOCAL_C_INCLUDES))
 NDK_CFLAGS_$(LOCAL_MODULE)  += -fPIC -iquote $(LOCAL_PATH) $(LOCAL_EXPORT_CFLAGS) $(LOCAL_CFLAGS) $(LOCAL_CFLAGS_$(NDK_BUILD_ARCH))
-NDK_ASFLAGS_$(LOCAL_MODULE) := $(LOCAL_ASFLAGS) $(LOCAL_ASFLAGS_$(NDK_BUILD_ARCH))
+NDK_ASFLAGS_$(LOCAL_MODULE) := $(LOCAL_ASFLAGS) $(LOCAL_ASFLAGS_$(NDK_BUILD_ARCH)) $(and $(findstring clang,$(NDK_BUILD_CC)),$(LOCAL_CLANG_ASFLAGS_$(NDK_BUILD_ARCH)))
 NDK_LDFLAGS_$(LOCAL_MODULE) := $(LOCAL_LDLIBS) $(LOCAL_LDFLAGS)
 NDK_CXXFLAGS_$(LOCAL_MODULE) := $(LOCAL_CPPFLAGS) $(LOCAL_RTTI_FLAG)
 ALL_OBJECT_FILES$(LOCAL_MODULE) :=
diff --git a/cross/ndk-build/ndk-clear-vars.mk b/cross/ndk-build/ndk-clear-vars.mk
index bce5bc895be..5e8eff9f0ab 100644
--- a/cross/ndk-build/ndk-clear-vars.mk
+++ b/cross/ndk-build/ndk-clear-vars.mk
@@ -43,9 +43,13 @@ undefine LOCAL_EXPORT_C_INCLUDE_DIRS
 undefine LOCAL_EXPORT_LDFLAGS
 undefine LOCAL_EXPORT_LDLIBS
 
+# AOSP extensions.
 undefine LOCAL_SRC_FILES_$(NDK_BUILD_ARCH)
 undefine LOCAL_ASFLAGS_$(NDK_BUILD_ARCH)
 undefine LOCAL_CFLAGS_$(NDK_BUILD_ARCH)
+undefine LOCAL_ADDITIONAL_DEPENDENCIES
+undefine LOCAL_CLANG_ASFLAGS_$(NDK_BUILD_ARCH)
+undefine LOCAL_IS_HOST_MODULE
 
 # Emacs extensions!
 undefine LOCAL_ASM_RULE_DEFINED