Description: Port to SIP 5/6
Author: Dmitry Shachnev <mitya57@debian.org>
Bug: https://sourceforge.net/p/plplot/mailman/message/37165423/
Bug-Debian: https://bugs.debian.org/964127
Forwarded: not-needed
Reviewed-By: Rafael Laboissière <rafael@debian.org>
Last-Update: 2021-06-18

--- plplot-5.15.0+dfsg.orig/bindings/qt_gui/pyqt5/CMakeLists.txt
+++ plplot-5.15.0+dfsg/bindings/qt_gui/pyqt5/CMakeLists.txt
@@ -42,11 +42,30 @@ if(ENABLE_pyqt5)
   #message("DEBUG: PYQT_SIP_DIR = ${PYQT_SIP_DIR}")
   #message("DEBUG: PYQT_SIP_FLAGS = ${PYQT_SIP_FLAGS}")
 
-  add_custom_command(
-    OUTPUT ${plplot_pyqt5_HDR} ${plplot_pyqt5_SRC}
-    COMMAND ${SIP_EXECUTABLE} -c . -b plplot_pyqt5.sbf -I${PYQT_SIP_DIR} ${PYQT_SIP_FLAGS} ${CMAKE_CURRENT_SOURCE_DIR}/plplot_pyqt5.sip
-    DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/plplot_pyqt5.sip
+  if(SIPBUILD_EXECUTABLE)
+    configure_file(plplot_pyqt5.sip plplot_pyqt5.sip COPYONLY)
+    configure_file(pyproject.toml pyproject.toml COPYONLY)
+    add_custom_command(
+      OUTPUT ${plplot_pyqt5_HDR} ${plplot_pyqt5_SRC}
+      COMMAND ${SIPBUILD_EXECUTABLE} --no-make
+      )
+    set(FILES_TO_COPY ${plplot_pyqt5_HDR} ${plplot_pyqt5_SRC})
+    list(TRANSFORM FILES_TO_COPY REPLACE .*/ build/plplot_pyqt5/)
+    add_custom_command(
+      OUTPUT ${plplot_pyqt5_HDR} ${plplot_pyqt5_SRC} APPEND
+      COMMAND ${CMAKE_COMMAND} -E copy ${FILES_TO_COPY} build/sip.h ${CMAKE_CURRENT_BINARY_DIR}
+      )
+    add_compile_definitions(
+      SIP_PROTECTED_IS_PUBLIC
+      protected=public
     )
+  else(SIPBUILD_EXECUTABLE)
+    add_custom_command(
+      OUTPUT ${plplot_pyqt5_HDR} ${plplot_pyqt5_SRC}
+      COMMAND ${SIP_EXECUTABLE} -c . -b plplot_pyqt5.sbf -I${PYQT_SIP_DIR} ${PYQT_SIP_FLAGS} ${CMAKE_CURRENT_SOURCE_DIR}/plplot_pyqt5.sip
+      DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/plplot_pyqt5.sip
+      )
+  endif(SIPBUILD_EXECUTABLE)
   add_custom_target(generate_pyqt5_source
     DEPENDS ${plplot_pyqt5_HDR} ${plplot_pyqt5_SRC}
     )
--- /dev/null
+++ plplot-5.15.0+dfsg/bindings/qt_gui/pyqt5/pyproject.toml
@@ -0,0 +1,13 @@
+[tool.sip]
+project-factory = "pyqtbuild:PyQtProject"
+bindings-factory = "pyqtbuild:PyQtBindings"
+
+[tool.sip.metadata]
+name = "plplot"
+
+[tool.sip.project]
+sip-files-dir = "."
+
+[tool.sip.bindings.plplot]
+sip-file = "plplot_pyqt5.sip"
+qmake-QT = ["printsupport", "widgets"]
--- plplot-5.15.0+dfsg.orig/cmake/modules/qt.cmake
+++ plplot-5.15.0+dfsg/cmake/modules/qt.cmake
@@ -62,7 +62,8 @@
 # ENABLE_pyqt5		  - ON means the plplot_pyqt5 Python extension module
 # 			    is enabled.
 # ENABLE_smoke            - ON means the smoke plplotqt library is enabled.
-# SIP_EXECUTABLE	  - full path for sip
+# SIPBUILD_EXECUTABLE	  - full path for sip-build (SIP v5, v6)
+# SIP_EXECUTABLE	  - full path for sip (SIP v4)
 # PYQT_SIP_DIR		  - sip system directory containing QtCore/QtCoremod.sip (and other required sip files).
 # PYQT_SIP_FLAGS	  - sip command flags
 
@@ -401,7 +402,25 @@ if(ANY_QT_DEVICE)
   endif(ENABLE_DYNDRIVERS)
 endif(ANY_QT_DEVICE)
 
-if(ENABLE_pyqt4 OR ENABLE_pyqt5)
+if(ENABLE_pyqt5)
+  find_program(SIPBUILD_EXECUTABLE sip-build)
+  message(STATUS "pyqt: SIPBUILD_EXECUTABLE = ${SIPBUILD_EXECUTABLE}")
+  if (SIPBUILD_EXECUTABLE)
+    execute_process(
+      COMMAND ${SIPBUILD_EXECUTABLE} -V
+      OUTPUT_VARIABLE SIP_VERSION
+      RESULT_VARIABLE SIP_VERSION_ERR
+      OUTPUT_STRIP_TRAILING_WHITESPACE
+      )
+    if(SIP_VERSION_ERR)
+      message(AUTHOR_WARNING "sip-build -V command could not determine sip version")
+    else(SIP_VERSION_ERR)
+      message(STATUS "SIP_VERSION = ${SIP_VERSION}")
+    endif(SIP_VERSION_ERR)
+  endif(SIPBUILD_EXECUTABLE)
+endif(ENABLE_pyqt5)
+
+if(ENABLE_pyqt4 OR (ENABLE_pyqt5 AND NOT SIPBUILD_EXECUTABLE))
   find_program(SIP_EXECUTABLE sip)
   message(STATUS "pyqt: SIP_EXECUTABLE = ${SIP_EXECUTABLE}")
   if(SIP_EXECUTABLE)
@@ -566,7 +585,7 @@ if(ENABLE_pyqt4 OR ENABLE_pyqt5)
     set(ENABLE_pyqt4 OFF CACHE BOOL "Enable pyqt4 Python extension module " FORCE)
     set(ENABLE_pyqt5 OFF CACHE BOOL "Enable pyqt5 Python extension module " FORCE)
   endif(SIP_EXECUTABLE)
-endif(ENABLE_pyqt4 OR ENABLE_pyqt5)
+endif(ENABLE_pyqt4 OR (ENABLE_pyqt5 AND NOT SIPBUILD_EXECUTABLE))
 
 if(ENABLE_smoke)
   if(PLPLOT_USE_QT5)