gnucash-docs maint: Add option to enable/disable html install rules

[Geert Janssens]

Updated	 via  https://github.com/Gnucash/gnucash-docs/commit/bdd42fe5 (commit)
	from  https://github.com/Gnucash/gnucash-docs/commit/b3f46b4f (commit)



commit bdd42fe57aaff81b97f3868a31347e4ffc1091eb
Author: Geert Janssens <geert at kobaltwit.be>
Date:   Wed Jul 6 16:58:51 2022 +0200

    Add option to enable/disable html install rules
    
    It's only used on MacOS and interferes with the linux distribution builds.
    The option is enabled by default on MacOS and disabled on other platforms.

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9784defd..2b8ac267 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -53,6 +53,13 @@ else()
 endif()
 option (WITH_MOBI "Enable build rules for Mobipocket document format" OFF)
 
+if(APPLE)
+    option (WITH_HTML_INSTALL "Enable install rules for html document format" ON)
+else()
+    option (WITH_HTML_INSTALL "Enable install rules for html document format" OFF)
+endif()
+
+
 # ############################################################
 # Following parameters can equally be set using -D switches on the CMake command line.
 # Set font dirs and font for Russian pdf documents
diff --git a/cmake/AddHtmlTarget.cmake b/cmake/AddHtmlTarget.cmake
index 917b5b9a..a3efa23f 100644
--- a/cmake/AddHtmlTarget.cmake
+++ b/cmake/AddHtmlTarget.cmake
@@ -54,7 +54,8 @@ function (add_html_target docname lang entities figures)
 
     add_dependencies(${docname}-html "${lang}-${docname}-html")
 
-    install(DIRECTORY ${BUILD_DIR}
-      DESTINATION "${CMAKE_INSTALL_DOCDIR}/${lang}"
-      )
+    if(WITH_HTML_INSTALL)
+        install(DIRECTORY ${BUILD_DIR}
+          DESTINATION "${CMAKE_INSTALL_DOCDIR}/${lang}")
+    endif()
 endfunction()



Summary of changes:
 CMakeLists.txt            | 7 +++++++
 cmake/AddHtmlTarget.cmake | 7 ++++---
 2 files changed, 11 insertions(+), 3 deletions(-)