Make-lang.in: Define EH_MECHANISM while building raise-gcc.c.

2017-04-27  Tristan Gingold  <gingold@adacore.com>

	* gcc-interface/Make-lang.in: Define EH_MECHANISM while building
	raise-gcc.c. Fix include search path for raise-gcc.c

From-SVN: r247339

gcc/ada/ChangeLog

+2017-04-27  Tristan Gingold  <gingold@adacore.com>
+
+	* gcc-interface/Make-lang.in: Define EH_MECHANISM while building
+	raise-gcc.c. Fix include search path for raise-gcc.c
+
 2017-04-27  Eric Botcazou  <ebotcazou@adacore.com>
 
 	* fe.h (Warn_On_Questionable_Layout): Declare.

gcc/ada/gcc-interface/Make-lang.in

@@ -99,8 +99,6 @@ ADA_TOOLS=gnatbind gnatchop gnat gnatkr gnatlink gnatls gnatmake \
 ada-warn = $(ADA_CFLAGS) $(filter-out -pedantic, $(STRICT_WARN))
 # Unresolved warnings in specific files.
 ada/adaint.o-warn = -Wno-error
-# For unwind-pe.h
-CFLAGS-ada/raise-gcc.o += -I$(srcdir)/../libgcc -Iinclude
 
 ada/%.o: ada/gcc-interface/%.c
 	$(COMPILE) $<
@@ -611,17 +609,20 @@ TARGET_ADA_SRCS =
 
 # Select the right s-excmac according to exception layout (Itanium or arm)
 host_cpu=$(word 1, $(subst -, ,$(host)))
-EH_MECHANISM=-gcc
+EH_MECHANISM=gcc
 ifeq ($(strip $(filter-out arm%,$(host_cpu))),)
-EH_MECHANISM=-arm
+EH_MECHANISM=arm
 endif
 
+# For unwind-pe.h
+CFLAGS-ada/raise-gcc.o += -I$(srcdir)/../libgcc -DEH_MECHANISM_$(EH_MECHANISM)
+
 ada/s-excmac.o: ada/s-excmac.ads ada/s-excmac.adb
 
-ada/s-excmac.ads: $(srcdir)/ada/s-excmac$(EH_MECHANISM).ads
+ada/s-excmac.ads: $(srcdir)/ada/s-excmac-$(EH_MECHANISM).ads
 	$(CP) $< $@
 
-ada/s-excmac.adb: $(srcdir)/ada/s-excmac$(EH_MECHANISM).adb
+ada/s-excmac.adb: $(srcdir)/ada/s-excmac-$(EH_MECHANISM).adb
 	$(CP) $< $@
 
 # Needs to be built with CC=gcc