From 5df54d76300fc9e8ee29f7199643852d134fc9a7 Mon Sep 17 00:00:00 2001
From: hunbernd <hunbernd@outlook.com>
Date: Sun, 10 Mar 2019 01:49:47 +0100
Subject: [PATCH] Converted extra targets into an extra compiler:  - Multi core
 compilation works correctly  - The jsonapi header files are regenerated when
 there are changes in libretroshare interface files

---
 RetroShare.pro                      |  4 ++--
 libretroshare/src/libretroshare.pro | 23 +++++++++--------------
 2 files changed, 11 insertions(+), 16 deletions(-)

diff --git a/RetroShare.pro b/RetroShare.pro
index 69f9710e0..c04c62ed2 100644
--- a/RetroShare.pro
+++ b/RetroShare.pro
@@ -31,7 +31,7 @@ rs_jsonapi:isEmpty(JSONAPI_GENERATOR_EXE) {
 
 SUBDIRS += libbitdht
 libbitdht.file = libbitdht/src/libbitdht.pro
-libretroshare.depends = openpgpsdk libbitdht
+libretroshare.depends += openpgpsdk libbitdht
 
 SUBDIRS += libretroshare
 libretroshare.file = libretroshare/src/libretroshare.pro
@@ -39,7 +39,7 @@ libretroshare.file = libretroshare/src/libretroshare.pro
 libresapi {
     SUBDIRS += libresapi
     libresapi.file = libresapi/src/libresapi.pro
-    libresapi.depends = libretroshare
+    libresapi.depends += libretroshare
 }
 
 retroshare_gui {
diff --git a/libretroshare/src/libretroshare.pro b/libretroshare/src/libretroshare.pro
index 4012f798f..528d15497 100644
--- a/libretroshare/src/libretroshare.pro
+++ b/libretroshare/src/libretroshare.pro
@@ -892,28 +892,23 @@ rs_jsonapi {
         PRE_TARGETDEPS *= $${restbed.target}
     }
 
-    PRE_TARGETDEPS *= $${JSONAPI_GENERATOR_EXE}
     INCLUDEPATH *= $${JSONAPI_GENERATOR_OUT}
-    GENERATED_HEADERS += $${WRAPPERS_INCL_FILE}
+    apiheaders = $$files($${RS_SRC_PATH}/libretroshare/src/retroshare/*.h)
 
-    jsonwrappersincl.target = $${WRAPPERS_INCL_FILE}
-    jsonwrappersincl.commands = \
+    genjsonapi.name = Generating jsonapi headers.
+    genjsonapi.input = apiheaders
+    genjsonapi.output = $${WRAPPERS_INCL_FILE} $${WRAPPERS_INCL_FILE}
+    genjsonapi.clean = $${WRAPPERS_INCL_FILE} $${WRAPPERS_INCL_FILE}
+    genjsonapi.CONFIG += target_predeps combine no_link
+    genjsonapi.variable_out = HEADERS
+    genjsonapi.commands = \
         mkdir -p $${JSONAPI_GENERATOR_OUT} && \
         cp $${DOXIGEN_CONFIG_SRC} $${DOXIGEN_CONFIG_OUT} && \
         echo OUTPUT_DIRECTORY=$${JSONAPI_GENERATOR_OUT} >> $${DOXIGEN_CONFIG_OUT} && \
         echo INPUT=$${DOXIGEN_INPUT_DIRECTORY} >> $${DOXIGEN_CONFIG_OUT} && \
         doxygen $${DOXIGEN_CONFIG_OUT} && \
         $${JSONAPI_GENERATOR_EXE} $${JSONAPI_GENERATOR_SRC} $${JSONAPI_GENERATOR_OUT};
-    QMAKE_EXTRA_TARGETS += jsonwrappersincl
-    libretroshare.depends += jsonwrappersincl
-    PRE_TARGETDEPS *= $${WRAPPERS_INCL_FILE}
-
-    jsonwrappersreg.target = $${WRAPPERS_REG_FILE}
-    jsonwrappersreg.commands = touch $${WRAPPERS_REG_FILE}
-    jsonwrappersreg.depends = jsonwrappersincl
-    QMAKE_EXTRA_TARGETS += jsonwrappersreg
-    libretroshare.depends += jsonwrappersreg
-    PRE_TARGETDEPS *= $${WRAPPERS_REG_FILE}
+    QMAKE_EXTRA_COMPILERS += genjsonapi
 
     # Force recalculation of libretroshare dependencies see https://stackoverflow.com/a/47884045
     QMAKE_EXTRA_TARGETS += libretroshare