OpenCPN: fix ppc64, arm and cross builds

srcpkgs/OpenCPN/patches/actually-set-arch.patch

@@ -0,0 +1,37 @@
+--- CMakeLists.txt
++++ CMakeLists.txt
+@@ -93,6 +93,25 @@ IF (NOT WIN32)
+   # default
+   SET (ARCH "i386")
+   SET (LIB_INSTALL_DIR "lib")
++  IF (CMAKE_SYSTEM_PROCESSOR MATCHES "arm*")
++    IF (CMAKE_SIZEOF_VOID_P MATCHES "8")
++      SET (ARCH "aarch64")
++    ELSE (CMAKE_SIZEOF_VOID_P MATCHES "8")
++      SET (ARCH "armhf")
++    ENDIF (CMAKE_SIZEOF_VOID_P MATCHES "8")
++  ELSEIF (CMAKE_SYSTEM_PROCESSOR MATCHES "ppc*" OR CMAKE_SYSTEM_PROCESSOR MATCHES "powerpc*")
++    IF (CMAKE_SIZEOF_VOID_P MATCHES "8")
++      SET (ARCH "ppc64")
++    ELSE (CMAKE_SIZEOF_VOID_P MATCHES "8")
++      SET (ARCH "powerpc")
++    ENDIF (CMAKE_SIZEOF_VOID_P MATCHES "8")
++  ELSE (CMAKE_SYSTEM_PROCESSOR MATCHES "arm*")
++    IF (CMAKE_SIZEOF_VOID_P MATCHES "8")
++      SET (ARCH "x86_64")
++    ELSE (CMAKE_SIZEOF_VOID_P MATCHES "8")
++      SET (ARCH "i386")
++    ENDIF (CMAKE_SIZEOF_VOID_P MATCHES "8")
++  ENDIF (CMAKE_SYSTEM_PROCESSOR MATCHES "arm*")
+   IF (EXISTS /etc/debian_version)
+     SET (PACKAGE_FORMAT "DEB")
+     SET (PACKAGE_DEPS "libc6, libwxgtk3.0-0, wx3.0-i18n, libglu1-mesa (>= 7.0.0), libgl1-mesa-glx (>= 7.0.0), zlib1g, bzip2, libtinyxml2.6.2, libportaudio2")
+@@ -1579,7 +1579,7 @@ IF (OPENGL_FOUND)
+         ENDIF("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")
+ 
+       ELSE ()
+-        IF(NOT (ARCH MATCHES "arm64" OR ARCH MATCHES "aarch64"))
++        IF(ARCH MATCHES "armhf")
+           set_source_files_properties(src/mipmap/mipmap_neon.c PROPERTIES COMPILE_FLAGS "-mfpu=neon")
+         ENDIF()
+       ENDIF ()

srcpkgs/OpenCPN/patches/glshim-musl.patch

@@ -0,0 +1,26 @@
+--- src/glshim/src/glx/glx.c	2018-11-07 04:14:41.000000000 +0100
++++ -	2019-01-30 20:49:46.097821225 +0100
+@@ -1,4 +1,6 @@
++#ifdef __GLIBC__
+ #include <execinfo.h>
++#endif
+ #include <fcntl.h>
+ #include <linux/fb.h>
+ #include <signal.h>
+@@ -168,7 +170,7 @@
+         bcm_host_deinit();
+     }
+ #endif
+-
++#ifdef __GLIBC__
+     if (g_stacktrace) {
+         switch (sig) {
+             case SIGBUS:
+@@ -187,6 +189,7 @@
+             }
+         }
+     }
++#endif
+     signal(sig, SIG_DFL);
+     raise(sig);
+ }

srcpkgs/OpenCPN/template

@@ -5,9 +5,7 @@ revision=1
 build_style=cmake
 configure_args="-DBUNDLE_GSHHS=NONE -DBUNDLE_TCDATA=ON
  -DBUNDLE_DOCS=ON -DOCPN_FORCE_GTK3=ON
- -DwxWidgets_CONFIG_EXECUTABLE=/usr/bin/wx-config-gtk3
+ -DOCPN_USE_CRASHREPORT=$(vopt_if crashreport ON OFF)
- -DwxWidgets_CONFIG_OPTIONS=--prefix=${XBPS_CROSS_BASE}/usr
- -DOCPN_USE_CRASHREPORT=$(vopt_if crashreport)
  -DUSE_BUNDLED_LIBS=OFF"
 hostmakedepends="pkg-config"
 makedepends="gtk+3-devel libcurl-devel portaudio-devel tinyxml-devel
@@ -21,7 +19,6 @@ license="GPL-2.0-or-later, GPL-3.0-or-later, LGPL-2.0-or-later, MIT, wxWidgets,
 homepage="https://opencpn.org/"
 distfiles="https://github.com/OpenCPN/OpenCPN/archive/v${version}.tar.gz"
 checksum=095097748ec45fcb9e9595ee86493ab629fad1a363eb5ec9b2ff82f0512fe875
-nocross="CMake doesn't find wx-wdigets"
 
 build_options="lzma libarchive exif crashreport"
 build_options_default="lzma libarchive exif"
@@ -35,6 +32,10 @@ case $XBPS_TARGET_MACHINE in
 	*) build_options_default+=" crashreport";;
 esac
 
+if [ -z "$CROSS_BUILD" ]; then
+	configure_args+=" -DwxWidgets_CONFIG_EXECUTABLE=/usr/bin/wx-config-gtk3"
+fi
+
 post_install() {
 	vlicense src/glshim/LICENSE LICENSE.glshim
 }