From a3ed87ca7808363d8752f919617f88010ebf46b3 Mon Sep 17 00:00:00 2001
From: "Friedrich W. H. Kossebau" <kossebau@kde.org>
Date: Wed, 6 Mar 2019 13:43:56 +0100
Subject: kconfig_compiler: new kcfgc args HeaderExtension & SourceExtension

Summary:
When using kconfig_compiler generated sources in projects where the used
file extensions for C++ files are not ".h" and/or ".cpp", the include for
the generated header looks a bit alien to the project, as well as the
generated source file if one looks closer at it.

This code adds new optional flags HeaderExtension & SourceExtension which
can be used to control the file extensions used for the generated files.

Test Plan:
All unit tests and the new test_fileextensions pass, existing projects using
kcfg without & with the new flags build fine.

Reviewers: #frameworks, apol

Reviewed By: apol

Subscribers: apol, kde-frameworks-devel

Tags: #frameworks

Differential Revision: https://phabricator.kde.org/D19565
---
 KF5ConfigMacros.cmake | 19 +++++++++++++++++--
 1 file changed, 17 insertions(+), 2 deletions(-)

(limited to 'KF5ConfigMacros.cmake')

diff --git a/KF5ConfigMacros.cmake b/KF5ConfigMacros.cmake
index 65af42a6..469d9b01 100644
--- a/KF5ConfigMacros.cmake
+++ b/KF5ConfigMacros.cmake
@@ -75,8 +75,23 @@ function (KCONFIG_ADD_KCFG_FILES _sources )
                 set(_kcfg_FILENAME "${_basename}.kcfg")
             endif()
        endif()
-       set(_src_FILE    ${CMAKE_CURRENT_BINARY_DIR}/${_basename}.cpp)
-       set(_header_FILE ${CMAKE_CURRENT_BINARY_DIR}/${_basename}.h)
+
+       string(REGEX MATCH "HeaderExtension=([^\n]+)\n" "" "${_contents}")
+       if(CMAKE_MATCH_1)
+            set(_kcfg_header_EXT "${CMAKE_MATCH_1}")
+       else()
+            set(_kcfg_header_EXT "h")
+       endif()
+
+       string(REGEX MATCH "SourceExtension=([^\n]+)\n" "" "${_contents}")
+       if(CMAKE_MATCH_1)
+            set(_kcfg_src_EXT "${CMAKE_MATCH_1}")
+       else()
+            set(_kcfg_src_EXT "cpp")
+       endif()
+
+       set(_src_FILE    ${CMAKE_CURRENT_BINARY_DIR}/${_basename}.${_kcfg_src_EXT})
+       set(_header_FILE ${CMAKE_CURRENT_BINARY_DIR}/${_basename}.${_kcfg_header_EXT})
        set(_moc_FILE    ${CMAKE_CURRENT_BINARY_DIR}/${_basename}.moc)
        set(_kcfg_FILE   ${_abs_PATH}/${_kcfg_FILENAME})
        # Maybe the .kcfg is a generated file?
-- 
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