Support thread sanitizer options

Makefile

@@ -168,6 +168,7 @@ GPROPTS = -XPRJ_BUILD=$(PRJ_BUILD) -XPRJ_SOCKLIB=$(PRJ_SOCKLIB) \
 		-XPRJ_XMLADA=$(PRJ_XMLADA) -XPRJ_LAL=$(PRJ_LAL) \
 		-XPROCESSORS=$(PROCESSORS) -XSOCKET=$(SOCKET) \
 		-XPRJ_TARGET=$(PRJ_TARGET) -XTARGET=$(TARGET) \
+	        -XTHREAD_SANITIZER=$(THREAD_SANITIZER)
 
 GPR_STATIC = -XLIBRARY_TYPE=static -XXMLADA_BUILD=static
 GPR_SHARED = -XLIBRARY_TYPE=relocatable -XXMLADA_BUILD=relocatable
@@ -344,6 +345,7 @@ gen_setup:
 	echo "DEBUG=$(DEBUG)" >> makefile.setup
 	echo "PROCESSORS=$(PROCESSORS)" >> makefile.setup
 	echo "TARGET=$(TARGET)" >> makefile.setup
+	echo "THREAD_SANITIZER=$(THREAD_SANITIZER)" >> makefile.setup
 	echo "GSOAP=false" >> makefile.setup
 
 setup: gen_setup setup_dir setup_modules setup_config setup_tp $(GEXT_MODULE)

shared.gpr

@@ -27,6 +27,10 @@ abstract project Shared is
 
    Processors := External ("PROCESSORS", "0");
 
+   type Boolean is ("true", "false");
+
+   Thread_Sanitizer : Boolean := External ("THREAD_SANITIZER", "false");
+
    -------------
    -- SOCKLIB --
    -------------
@@ -117,9 +121,19 @@ abstract project Shared is
    Global_Options := ();
    --  Options used for all Ada units in both Debug and Release modes
 
+   Instrument_Options := ();
+   --  Instrumentation option
+
+   case Thread_Sanitizer is
+      when "false" =>
+         null;
+      when "true" =>
+         Instrument_Options := ("-fsanitize=thread");
+   end case;
+
    Common_Options :=
      ("-gnat2012", "-gnatwcfijkmruv", "-gnaty3abBcdefhiIklmnoOprstx")
-     & Global_Options;
+     & Global_Options & Instrument_Options;
    --  Common options used for the Debug and Release modes
 
    Debug_Options :=
@@ -184,7 +198,7 @@ abstract project Shared is
    ------------
 
    package Linker is
-      for Default_Switches ("Ada") use Ldflags;
+      for Default_Switches ("Ada") use Ldflags & Instrument_Options;
    end Linker;
 
    --  LDFLAGS should come first so that command line settings

src/src.gpr

@@ -87,6 +87,9 @@ library project Src is
          end case;
    end case;
 
+   for Library_Options use
+     Project'Library_Options & Shared.Instrument_Options;
+
    case Shared.LDAP is
       when "Installed" =>
          for Source_Dirs use Project'Source_Dirs & ("ldap");