Update Android port

* INSTALL.android: Document support for gnutls and libgmp.
* build-aux/ndk-build-helper-1.mk (NDK_SO_NAMES, NDK_INCLUDES)
(SYSTEM_LIBRARIES):
* build-aux/ndk-build-helper-2.mk: Recursively resolve and add
shared library dependencies; even those of static libraries.
* build-aux/ndk-module-extract.awk: Fix makefile_imports code.
* configure.ac (ANDROID_SDK_18_OR_EARLIER, XCONFIGURE)
(LIBGMP_CFLAGS): Enable GMP and gnutls on Android.

* cross/ndk-build/Makefile.in (LOCAL_EXPORT_C_INCLUDES):
* cross/ndk-build/ndk-build-shared-library.mk: ($(call
objname,$(LOCAL_MODULE),$(basename $(1))))::($$(error
Unsupported suffix)::($(LOCAL_MODULE_FILENAME)):
* cross/ndk-build/ndk-build-static-library.mk: ($(call
objname,$(LOCAL_MODULE),$(basename $(1))))::($$(error
Unsupported suffix):
* cross/ndk-build/ndk-clear-vars.mk:
* cross/ndk-build/ndk-resolve.mk (NDK_SYSTEM_LIBRARIES):
(NDK_LOCAL_EXPORT_C_INCLUDES_$(LOCAL_MODULE)):
(NDK_SO_EXTRA_FLAGS_$(LOCAL_MODULE)):
Implement ``LOCAL_ASM_RULE'' and ``LOCAL_C_ADDITIONAL_FLAGS''
extensions for libgmp.

* doc/emacs/input.texi (Touchscreens): Document how to
horizontally scroll.
* java/org/gnu/emacs/EmacsActivity.java (attachWindow): Give the
view focus again if necessary.
(onPause): Call right super function.
* java/org/gnu/emacs/EmacsPreferencesActivity.java (onClick):
Clear dumpFileName lest Emacs try to load a nonexistent dump
file.
* java/org/gnu/emacs/EmacsView.java (onDetachedFromWindow)
(onAttachedToWindow): Call super functions.
(onCreateInputConnection): Make sure the IME never obscures
Emacs.
* java/org/gnu/emacs/EmacsWindow.java (EmacsWindow, onKeyDown)
(onKeyUp): Improve tracking of quit keys.

* lisp/isearch.el (isearch-mode): Bring up the onscreen
keyboard.
* lisp/touch-screen.el (touch-screen-current-tool): Add three
fields.
(touch-screen-handle-scroll): Allow hscrolling as well.
(touch-screen-handle-touch): Add additional fields to
`touch-screen-current-tool'.
* src/Makefile.in (LIBGMP_CFLAGS, EMACS_CFLAGS): Add new
variable.
* src/android.c (android_run_select_thread):
(android_write_event): Use pthread_cond_broadcast because
pthread_cond_signal does nothing on some Android
versions/devices?

5 files changed, 40 insertions, 5 deletions

diff --git a/cross/ndk-build/Makefile.in b/cross/ndk-build/Makefile.in
index 125c825e506..774858697b4 100644
--- a/cross/ndk-build/Makefile.in
+++ b/cross/ndk-build/Makefile.in
@@ -118,6 +118,8 @@ LOCAL_EXPORT_CPPFLAGS :=
 LOCAL_EXPORT_C_INCLUDES :=
 LOCAL_EXPORT_LDFLAGS :=
 LOCAL_EXPORT_LDLIBS :=
+LOCAL_ASM_RULE_DEFINED :=
+LOCAL_ASM_RULE :=
 
 # Now load Android.mk.
 include $(1)
diff --git a/cross/ndk-build/ndk-build-shared-library.mk b/cross/ndk-build/ndk-build-shared-library.mk
index b69641ba9b0..f169e89d058 100644
--- a/cross/ndk-build/ndk-build-shared-library.mk
+++ b/cross/ndk-build/ndk-build-shared-library.mk
@@ -35,7 +35,7 @@ define single-object-target
 ifeq (x$(suffix $(1)),x.c)
 
 $(call objname,$(LOCAL_MODULE),$(basename $(1))): $(LOCAL_PATH)/$(1)
-	$(NDK_BUILD_CC) -c $$< -o $$@ $(NDK_CFLAGS_$(LOCAL_MODULE))
+	$(NDK_BUILD_CC) -c $$< -o $$@ $(NDK_CFLAGS_$(LOCAL_MODULE)) $(call LOCAL_C_ADDITIONAL_FLAGS,$(1))
 
 else
 ifeq (x$(suffix $(1)),x.$(or $(LOCAL_CPP_EXTENSION),cpp))
@@ -53,6 +53,13 @@ else
 ifneq (x$(suffix $(1)),x.asm)
 $$(error Unsupported suffix: $(suffix $(1)))
 else
+ifneq (x$(LOCAL_ASM_RULE_DEFINED),x)
+# Call this function to define a rule that will generate $(1) from
+# $(2), a ``.asm'' file.  This is an Emacs extension.
+
+$(call LOCAL_ASM_RULE,$(call objname,$(LOCAL_MODULE),$(basename $(1))),$(LOCAL_PATH)/$(strip $(1)))
+
+else
 ifeq ($(findstring x86,$(NDK_BUILD_ARCH)),)
 $$(error Trying to build nasm file on non-Intel platform!)
 else
@@ -65,6 +72,7 @@ endif
 endif
 endif
 endif
+endif
 
 ALL_OBJECT_FILES$(LOCAL_MODULE) += $(call objname,$(LOCAL_MODULE),$(basename $(1)))
 
@@ -125,11 +133,11 @@ $(foreach source,$(ALL_SOURCE_FILES),$(eval $(call single-object-target,$(source
 
 # Now define the rule to build the shared library.  Shared libraries
 # link with all of the archive files from the static libraries on
-# which they depend.
+# which they depend, and also any shared libraries they depend on.
 
 define define-module-rule
-$(LOCAL_MODULE_FILENAME): $(ALL_OBJECT_FILES$(LOCAL_MODULE)) $(NDK_LOCAL_A_NAMES_$(LOCAL_MODULE)) $(NDK_WHOLE_A_NAMES_$(LOCAL_MODULE))
-	$(NDK_BUILD_CC) $(1) $(2) -o $$@ -shared $(NDK_LDFLAGS$(LOCAL_MODULE)) $(NDK_SO_EXTRA_FLAGS_$(LOCAL_MODULE)) $(NDK_SO_DEFAULT_LDFLAGS)
+$(LOCAL_MODULE_FILENAME): $(ALL_OBJECT_FILES$(LOCAL_MODULE)) $(NDK_LOCAL_A_NAMES_$(LOCAL_MODULE)) $(NDK_WHOLE_A_NAMES_$(LOCAL_MODULE)) $(NDK_LOCAL_SO_NAMES_$(LOCAL_MODULE))
+	$(NDK_BUILD_CC) $(1) $(2) -o $$@ -shared $(NDK_LDFLAGS_$(LOCAL_MODULE)) $(NDK_SO_EXTRA_FLAGS_$(LOCAL_MODULE)) $(NDK_SO_DEFAULT_LDFLAGS) $(foreach so,$(NDK_LOCAL_SO_NAMES_$(LOCAL_MODULE)),-L $(abspath $(CURDIR)) -l:$(so))
 endef
 
 NDK_WHOLE_ARCHIVE_PREFIX = -Wl,--whole-archive
diff --git a/cross/ndk-build/ndk-build-static-library.mk b/cross/ndk-build/ndk-build-static-library.mk
index 349b9242b1f..d5a8e93800d 100644
--- a/cross/ndk-build/ndk-build-static-library.mk
+++ b/cross/ndk-build/ndk-build-static-library.mk
@@ -27,7 +27,7 @@ define single-object-target
 ifeq (x$(suffix $(1)),x.c)
 
 $(call objname,$(LOCAL_MODULE),$(basename $(1))): $(LOCAL_PATH)/$(1)
-	$(NDK_BUILD_CC) -c $$< -o $$@ $(NDK_CFLAGS_$(LOCAL_MODULE))
+	$(NDK_BUILD_CC) -c $$< -o $$@ $(NDK_CFLAGS_$(LOCAL_MODULE)) $(call LOCAL_C_ADDITIONAL_FLAGS,$(1))
 
 else
 ifeq (x$(suffix $(1)),x.$(or $(LOCAL_CPP_EXTENSION),cpp))
@@ -45,6 +45,13 @@ else
 ifneq (x$(suffix $(1)),x.asm)
 $$(error Unsupported suffix: $(suffix $(1)))
 else
+ifneq (x$(LOCAL_ASM_RULE_DEFINED),x)
+# Call this function to define a rule that will generate $(1) from
+# $(2), a ``.asm'' file.  This is an Emacs extension.
+
+$(call LOCAL_ASM_RULE,$(call objname,$(LOCAL_MODULE),$(basename $(1))),$(LOCAL_PATH)/$(strip $(1)))
+
+else
 ifeq ($(findstring x86,$(NDK_BUILD_ARCH)),)
 $$(error Trying to build nasm file on non-Intel platform!)
 else
@@ -57,6 +64,7 @@ endif
 endif
 endif
 endif
+endif
 
 ALL_OBJECT_FILES$(LOCAL_MODULE) += $(call objname,$(LOCAL_MODULE),$(basename $(1)))
 endef
diff --git a/cross/ndk-build/ndk-clear-vars.mk b/cross/ndk-build/ndk-clear-vars.mk
index df2bf95fd5e..6377f373512 100644
--- a/cross/ndk-build/ndk-clear-vars.mk
+++ b/cross/ndk-build/ndk-clear-vars.mk
@@ -45,3 +45,8 @@ undefine LOCAL_EXPORT_LDLIBS
 undefine LOCAL_SRC_FILES_$(NDK_BUILD_ARCH)
 undefine LOCAL_ASFLAGS_$(NDK_BUILD_ARCH)
 undefine LOCAL_CFLAGS_$(NDK_BUILD_ARCH)
+
+# Emacs extensions!
+undefine LOCAL_ASM_RULE_DEFINED
+undefine LOCAL_ASM_RULE
+undefine LOCAL_C_ADDITIONAL_FLAGS
diff --git a/cross/ndk-build/ndk-resolve.mk b/cross/ndk-build/ndk-resolve.mk
index c2e281c53ba..e2252ebdf8c 100644
--- a/cross/ndk-build/ndk-resolve.mk
+++ b/cross/ndk-build/ndk-resolve.mk
@@ -19,6 +19,9 @@
 # variables, and then having those Makefiles include another makefile
 # which actually builds targets.
 
+# List of system libraries to ignore.
+NDK_SYSTEM_LIBRARIES = z libz libc c libdl dl stdc++ libstdc++ log liblog android libandroid
+
 # Save information.
 NDK_LOCAL_PATH_$(LOCAL_MODULE) := $(LOCAL_PATH)
 NDK_LOCAL_STATIC_LIBRARIES_$(LOCAL_MODULE) := $(LOCAL_STATIC_LIBRARIES) $(LOCAL_WHOLE_STATIC_LIBRARIES)
@@ -28,6 +31,7 @@ NDK_LOCAL_EXPORT_CFLAGS_$(LOCAL_MODULE) := $(LOCAL_EXPORT_CFLAGS)
 NDK_LOCAL_EXPORT_C_INCLUDES_$(LOCAL_MODULE) := $(LOCAL_EXPORT_C_INCLUDES) $(LOCAL_EXPORT_C_INCLUDE_DIRS)
 NDK_LOCAL_A_NAMES_$(LOCAL_MODULE) :=
 NDK_WHOLE_A_NAMES_$(LOCAL_MODULE) :=
+NDK_LOCAL_SO_NAMES_$(LOCAL_MODULE) :=
 NDK_SO_EXTRA_FLAGS_$(LOCAL_MODULE) :=
 
 # List of all dependencies resolved for this module thus far.
@@ -87,6 +91,14 @@ ifeq ($(strip $(1)),android)
 NDK_SO_EXTRA_FLAGS_$(LOCAL_MODULE) += -landroid
 endif
 
+ifeq ($(findstring $(1),$(NDK_SYSTEM_LIBRARIES))$(2)$(3),)
+ifneq ($(findstring lib,$(1)),)
+NDK_LOCAL_SO_NAMES_$(LOCAL_MODULE) += $(1)_emacs.so
+else
+NDK_LOCAL_SO_NAMES_$(LOCAL_MODULE) += lib$(1)_emacs.so
+endif
+endif
+
 ifneq ($(2),)
 ifneq ($(findstring lib,$(1)),)
 NDK_LOCAL_A_NAMES_$(LOCAL_MODULE) += $(1).a