Update generic unix makefiles

remove.exe extension, add define for _GNU_SOURCE, add
-lpthread and -lrt loader flags for iasl.
Lin Ming.

generate/unix/Makefile

@@ -6,7 +6,7 @@ include Makefile.config
 
 all:	${DIRS}
 ${DIRS}: FORCE
-	@cd $@; make; ls -al $@.exe
+	@cd $@; make; ls -al $@
 
 clean:	FORCE
 	@for d in ${DIRS}; do \

generate/unix/Makefile.config

@@ -30,9 +30,9 @@ COPYPROG =      @mkdir -p ../bin; rm -f ../bin/$(PROG); cp --remove-destination
 # Common compiler flags. The warning flags in addition to -Wall are not
 # automatically included in -Wall.
 #
-CFLAGS+= -Os -D$(HOST) -I$(ACPICA_SRC)/include
+CFLAGS+= -Os -D$(HOST) -I$(ACPICA_SRC)/include -D_GNU_SOURCE
 CWARNINGFLAGS = \
-	-ansi -D_ANSI \
+	-ansi \
 	-Wall \
 	-Wbad-function-cast \
 	-Wdeclaration-after-statement \

generate/unix/iasl/Makefile

@@ -10,6 +10,7 @@ PROG = iasl
 # Flags specific to iASL compiler
 #
 CFLAGS+= -DACPI_ASL_COMPILER -I$(ASL_COMPILER) -I.
+LDFLAGS+= -lpthread -lrt
 
 OBJS = \
 	adfile.o \