From 4d321cbe18ee462a1fa2d44d2c3b7d0ce79fb5d6 Mon Sep 17 00:00:00 2001
From: Alexis Hildebrandt <afh@surryhill.net>
Date: Sun, 9 Apr 2023 07:58:12 +0200
Subject: doc: Fix generating api documentation

by fixing path to source
---
 doc/CMakeLists.txt | 9 +++++----
 doc/Doxyfile.in    | 4 ++--
 2 files changed, 7 insertions(+), 6 deletions(-)

(limited to 'doc')

diff --git a/doc/CMakeLists.txt b/doc/CMakeLists.txt
index 08132224..1a510c1a 100644
--- a/doc/CMakeLists.txt
+++ b/doc/CMakeLists.txt
@@ -23,14 +23,15 @@ if (USE_DOXYGEN)
     message(FATAL_ERROR "Could not find doxygen. Reference documentation cannot be built.")
   endif()
 
-  configure_file(Doxyfile.in Doxyfile @ONLY)
+  configure_file(${CMAKE_CURRENT_SOURCE_DIR}/Doxyfile.in ${CMAKE_CURRENT_SOURCE_DIR}/Doxyfile @ONLY)
 
   # see INPUT/FILE_PATTERNS in Doxyfile.in
-  file(GLOB doxygen_input_files ${CMAKE_SOURCE_DIR}/src/*.h)
+  file(GLOB doxygen_input_files ${CMAKE_CURRENT_SOURCE_DIR}/../src/*.h)
 
   add_custom_command(OUTPUT html/index.html
-    COMMAND ${DOXYGEN_EXECUTABLE} Doxyfile
-    DEPENDS Doxyfile ${doxygen_input_files}
+    COMMAND ${DOXYGEN_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/Doxyfile
+    DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/Doxyfile ${doxygen_input_files}
+    WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
     COMMENT "Building doxygen documentation")
   add_custom_target(doc.doxygen DEPENDS html/index.html)
 else()
diff --git a/doc/Doxyfile.in b/doc/Doxyfile.in
index a6f91136..6da4217c 100644
--- a/doc/Doxyfile.in
+++ b/doc/Doxyfile.in
@@ -140,7 +140,7 @@ FULL_PATH_NAMES        = NO
 # relative paths, which will be relative from the directory where doxygen is
 # started.
 
-STRIP_FROM_PATH        = @PROJECT_SOURCE_DIR@/src/
+STRIP_FROM_PATH        = @CMAKE_CURRENT_SOURCE_DIR@/../src/
 
 # The STRIP_FROM_INC_PATH tag can be used to strip a user-defined part of
 # the path mentioned in the documentation of a class, which tells
@@ -680,7 +680,7 @@ WARN_LOGFILE           =
 # with spaces.
 
 # please update dependencies in CMakeList.txt if you change this
-INPUT                  = @PROJECT_SOURCE_DIR@/src
+INPUT                  = @CMAKE_CURRENT_SOURCE_DIR@/../src
 
 # This tag can be used to specify the character encoding of the source files
 # that doxygen parses. Internally doxygen uses the UTF-8 encoding, which is
-- 
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