new package: tigervnc-viewer

x11-packages/tigervnc-viewer/build.sh

@@ -0,0 +1,18 @@
+TERMUX_PKG_HOMEPAGE=https://tigervnc.org/
+TERMUX_PKG_DESCRIPTION="A viewer (client) for Virtual Network Computing"
+TERMUX_PKG_LICENSE="GPL-2.0"
+TERMUX_PKG_MAINTAINER="@termux"
+TERMUX_PKG_VERSION=1.12.0
+TERMUX_PKG_SRCURL=https://github.com/TigerVNC/tigervnc/archive/v${TERMUX_PKG_VERSION}.tar.gz
+TERMUX_PKG_SHA256=9ff3f3948f2a4e8cc06ee598ee4b1096beb62094c13e0b1462bff78587bed789
+TERMUX_PKG_DEPENDS="fltk, libandroid-shmem, libc++, libgnutls, libjpeg-turbo, libpixman, libx11, libxext, libxi, libxrandr, libxrender, zlib"
+TERMUX_PKG_CONFLICTS="tigervnc (<< 1.9.0-4)"
+TERMUX_PKG_EXTRA_CONFIGURE_ARGS="
+-DBUILD_SERVER=OFF
+-DENABLE_NLS=OFF
+-DFLTK_MATH_LIBRARY=
+"
+
+termux_step_pre_configure() {
+	LDFLAGS+=" -landroid-shmem"
+}

x11-packages/tigervnc-viewer/common-os-CMakeLists.txt.patch

@@ -0,0 +1,11 @@
+--- a/common/os/CMakeLists.txt
++++ b/common/os/CMakeLists.txt
+@@ -6,7 +6,7 @@
+   w32tiger.c
+   os.cxx)
+ 
+-if(UNIX)
++if(UNIX AND NOT ANDROID)
+   target_link_libraries(os pthread)
+ endif()
+ 

x11-packages/tigervnc-viewer/common-os-Thread.cxx.patch

@@ -0,0 +1,45 @@
+--- a/common/os/Thread.cxx
++++ b/common/os/Thread.cxx
+@@ -29,6 +29,14 @@
+ #include <os/Mutex.h>
+ #include <os/Thread.h>
+ 
++#ifdef __ANDROID__
++#include <string.h>
++static void threadSignalHandler(int signum)
++{
++  pthread_exit(0);
++}
++#endif
++
+ using namespace os;
+ 
+ Thread::Thread() : running(false), threadId(NULL)
+@@ -48,7 +56,11 @@
+   delete (HANDLE*)threadId;
+ #else
+   if (isRunning())
++#ifdef __ANDROID__
++    pthread_kill(*(pthread_t*)threadId, SIGUSR2);
++#else
+     pthread_cancel(*(pthread_t*)threadId);
++#endif
+   delete (pthread_t*)threadId;
+ #endif
+ 
+@@ -148,6 +160,15 @@
+ void* Thread::startRoutine(void* data)
+ #endif
+ {
++#ifdef __ANDROID__
++  struct sigaction actions;
++  memset(&actions, 0, sizeof(actions));
++  sigemptyset(&actions.sa_mask);
++  actions.sa_flags = 0;
++  actions.sa_handler = threadSignalHandler;
++  sigaction(SIGUSR2, &actions, NULL);
++#endif
++
+   Thread *self;
+ 
+   self = (Thread*)data;

x11-packages/tigervnc-viewer/common-rfb-util.h.patch

@@ -0,0 +1,14 @@
+--- a/common/rfb/util.h
++++ b/common/rfb/util.h
+@@ -31,7 +31,11 @@
+ #include <limits.h>
+ #include <string.h>
+ 
++#ifdef __ANDROID__
++#include <sys/time.h>
++#else
+ struct timeval;
++#endif
+ 
+ #ifdef __GNUC__
+ #  define __printf_attr(a, b) __attribute__((__format__ (__printf__, a, b)))

x11-packages/tigervnc-viewer/tigervnc-1.12.0-disable-server-and-pam.patch

@@ -0,0 +1,59 @@
+Borrowed from https://github.com/gentoo/gentoo/blob/12dbbe21e6bc8b67510f80b376860e6352c3a7ea/net-misc/tigervnc/files/tigervnc-1.12.0-disable-server-and-pam.patch
+
+See https://bugs.gentoo.org/852830
+
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -234,6 +234,7 @@
+   add_subdirectory(java)
+ endif()
+ 
++option(BUILD_SERVER "Build TigerVNC server" ON)
+ option(BUILD_VIEWER "Build TigerVNC viewer" ON)
+ if(BUILD_VIEWER)
+   # Check for FLTK
+@@ -276,7 +277,7 @@
+ endif()
+ 
+ # Check for PAM library
+-if(UNIX AND NOT APPLE)
++if(BUILD_SERVER AND UNIX AND NOT APPLE)
+   check_include_files(security/pam_appl.h HAVE_PAM_H)
+   set(CMAKE_REQUIRED_LIBRARIES -lpam)
+   check_function_exists(pam_start HAVE_PAM_START)
+@@ -315,9 +316,6 @@
+   add_subdirectory(media)
+ endif()
+ 
+-add_subdirectory(tests)
+-
+-
+ if(BUILD_VIEWER)
+   add_subdirectory(release)
+ endif()
+--- a/common/rfb/CMakeLists.txt
++++ b/common/rfb/CMakeLists.txt
+@@ -75,7 +75,7 @@
+ 
+ set(RFB_LIBRARIES ${JPEG_LIBRARIES} ${PIXMAN_LIBRARY} os rdr)
+ 
+-if(UNIX AND NOT APPLE)
++if(BUILD_SERVER AND UNIX AND NOT APPLE)
+   set(RFB_SOURCES ${RFB_SOURCES} UnixPasswordValidator.cxx
+     UnixPasswordValidator.h pam.c pam.h)
+   set(RFB_LIBRARIES ${RFB_LIBRARIES} ${PAM_LIBS})
+--- a/unix/CMakeLists.txt
++++ b/unix/CMakeLists.txt
+@@ -1,6 +1,8 @@
+ add_subdirectory(tx)
+ add_subdirectory(common)
+-add_subdirectory(vncconfig)
+-add_subdirectory(vncpasswd)
+-add_subdirectory(vncserver)
+-add_subdirectory(x0vncserver)
++if(BUILD_SERVER)
++	add_subdirectory(vncconfig)
++	add_subdirectory(vncpasswd)
++	add_subdirectory(vncserver)
++	add_subdirectory(x0vncserver)
++endif()