1st steps for a mac build using qtcreator and based on the .pro files used on Windows

src/windows/qmkrecoll/librecoll.pro

@@ -10,14 +10,9 @@ TARGET = librecoll
 TEMPLATE = lib
 
 DEFINES += LIBRECOLL_LIBRARY BUILDING_RECOLL
-DEFINES += PSAPI_VERSION=1
 DEFINES += READFILE_ENABLE_MINIZ
 DEFINES += READFILE_ENABLE_MD5
 DEFINES += READFILE_ENABLE_ZLIB
-# VC only defines __WIN32, not __WIN32__ . For some reason xapian uses
-#  __WIN32__ which it actually defines in conf_post.h if __WIN32 is
-#  set. Reason: mystery.
-DEFINES += __WIN32__
 
 SOURCES += \
 ../../aspell/rclaspell.cpp \
@@ -104,9 +99,6 @@ SOURCES += \
 ../../utils/utf8iter.cpp \
 ../../utils/zlibut.cpp \
 ../../utils/zlibut.h \
-../../windows/execmd_w.cpp \
-../../windows/fnmatch.c \
-../../windows/wincodepages.cpp \
 ../../utils/fileudi.cpp \
 ../../utils/fstreewalk.cpp \
 ../../utils/hldata.cpp \
@@ -123,15 +115,26 @@ SOURCES += \
 ../../utils/smallut.cpp \
 ../../utils/strmatcher.cpp \
 ../../utils/transcode.cpp \
-../../utils/wipedir.cpp \
-../../windows/strptime.cpp
+../../utils/wipedir.cpp
 
 INCLUDEPATH += ../../common ../../index ../../internfile ../../query \
             ../../unac ../../utils ../../aspell ../../rcldb ../../qtgui \
             ../../xaposix ../../confgui ../../bincimapmime 
 
 windows {
+  # VC only defines __WIN32, not __WIN32__ . For some reason xapian uses
+  #  __WIN32__ which it actually defines in conf_post.h if __WIN32 is
+  #  set. Reason: mystery.
+  DEFINES += __WIN32__
+  DEFINES += PSAPI_VERSION=1
   defines += UNICODE
+
+  SOURCES += \
+  ../../windows/execmd_w.cpp \
+  ../../windows/fnmatch.c \
+  ../../windows/wincodepages.cpp \
+  ../../windows/strptime.cpp
+
   contains(QMAKE_CC, gcc){
     # MingW
     # This is necessary to avoid an undefined impl__xmlFree.
@@ -166,7 +169,18 @@ windows {
 
 }
 
-unix {
+unix:!mac {
     target.path = /usr/lib
     INSTALLS += target
 }
+
+mac {
+    CONFIG += staticlib
+    # This is necessary to avoid an undefined impl__xmlFree.
+    # See comment in libxml/xmlexports.h
+    DEFINES += LIBXML_STATIC
+    RECOLLDEPS = /Users/dockes/Recoll
+    QMAKE_CXXFLAGS += -std=c++11 -pthread -Wno-unused-parameter
+    INCLUDEPATH += \
+      $$RECOLLDEPS/xapian-core-1.4.18/include 
+}

src/windows/qmkrecoll/recollindex.pro

@@ -7,10 +7,6 @@ CONFIG -= app_bundle
 TEMPLATE = app
 
 DEFINES += BUILDING_RECOLL
-DEFINES += UNICODE
-DEFINES += PSAPI_VERSION=1
-DEFINES += RCL_MONITOR
-DEFINES += __WIN32__
 
 SOURCES += \
 ../../index/recollindex.cpp \
@@ -23,10 +19,14 @@ INCLUDEPATH += ../../common ../../index ../../internfile ../../query \
             ../../xaposix ../../confgui ../../bincimapmime 
 
 windows {
-    contains(QMAKE_CC, gcc){
-        # MingW
-        QMAKE_CXXFLAGS += -std=c++11 -pthread -Wno-unused-parameter
-     LIBS += \
+  DEFINES += UNICODE
+  DEFINES += PSAPI_VERSION=1
+  DEFINES += RCL_MONITOR
+  DEFINES += __WIN32__
+  contains(QMAKE_CC, gcc){
+    # MingW
+    QMAKE_CXXFLAGS += -std=c++11 -pthread -Wno-unused-parameter
+    LIBS += \
        ../build-librecoll-Desktop_Qt_5_8_0_MinGW_32bit-Release/release/librecoll.dll \
        -lshlwapi -lpsapi -lkernel32
     }
@@ -51,3 +51,17 @@ windows {
 
   INCLUDEPATH += ../../windows
 }
+
+mac {
+  QMAKE_CXXFLAGS += -std=c++11 -pthread -Wno-unused-parameter
+  SOURCES += \
+    ../../utils/closefrom.cpp \
+    ../../utils/execmd.cpp \
+    ../../utils/netcon.cpp \
+    ../../utils/rclionice.cpp
+
+  LIBS += \
+     ../build-librecoll-Desktop_Qt_5_14_2_clang_64bit-Release/liblibrecoll.a \
+     ../../../../xapian-core-1.4.18/.libs/libxapian.a \
+     -lxslt -lxml2 -liconv -lz
+}

src/windows/qmkrecoll/recollq.pro

@@ -7,9 +7,6 @@ CONFIG -= app_bundle
 TEMPLATE = app
 
 DEFINES += BUILDING_RECOLL
-DEFINES += UNICODE
-DEFINES += PSAPI_VERSION=1
-DEFINES += __WIN32__
 
 SOURCES += \
 ../../query/recollqmain.cpp
@@ -19,6 +16,9 @@ INCLUDEPATH += ../../common ../../index ../../internfile ../../query \
             ../../xaposix ../../confgui ../../bincimapmime 
 
 windows {
+  DEFINES += UNICODE
+  DEFINES += PSAPI_VERSION=1
+  DEFINES += __WIN32__
   contains(QMAKE_CC, gcc){
      MingW
     QMAKE_CXXFLAGS += -std=c++11 -Wno-unused-parameter
@@ -45,3 +45,16 @@ windows {
 
   INCLUDEPATH += ../../windows
 }
+
+mac {
+  QMAKE_CXXFLAGS += -std=c++11 -pthread -Wno-unused-parameter
+  SOURCES += \
+    ../../utils/closefrom.cpp \
+    ../../utils/execmd.cpp \
+    ../../utils/netcon.cpp \
+    ../../utils/rclionice.cpp
+  LIBS += \
+     ../build-librecoll-Desktop_Qt_5_14_2_clang_64bit-Release/liblibrecoll.a \
+     ../../../../xapian-core-1.4.18/.libs/libxapian.a \
+     -lxslt -lxml2 -liconv -lz
+}