- [jlangner]: changed the GNUmakefile.68k to also build soft-float variants of all

our libraries. In addition the specs file now also respects the -msoft-float
  option at link time and sets the default link directory accordingly.


git-svn-id: file:///Users/olsen/Code/migration-svn-zu-git/logical-line-staging/clib2/trunk@15176 87f5fb63-7c3d-0410-a384-fd976d0f7a62

documentation/specs

@@ -17,7 +17,7 @@
 
 
 *link:
-%{fbaserel:%{!resident:-m amiga_bss -fl libb}} %{resident:-m amiga_bss -amiga-datadata-reloc -fl libb} %{fbaserel32:%{!resident32:-m amiga_bss -fl libb32}} %{resident32:-m amiga_bss -amiga-datadata-reloc -fl libb32} %{g:-amiga-debug-hunk} %{m68020:-fl libm020} %{mc68020:-fl libm020} %{m68030:-fl libm020} %{m68040:-fl libm020} %{m68060:-fl libm020} %{m68020-40:-fl libm020} %{m68020-60:-fl libm020} %{noixemul:}
+%{fbaserel:%{!resident:-m amiga_bss -fl libb}} %{resident:-m amiga_bss -amiga-datadata-reloc -fl libb} %{fbaserel32:%{!resident32:-m amiga_bss -fl libb32}} %{resident32:-m amiga_bss -amiga-datadata-reloc -fl libb32} %{g:-amiga-debug-hunk} %{m68020:-fl libm020} %{mc68020:-fl libm020} %{m68030:-fl libm020} %{m68040:-fl libm020} %{m68060:-fl libm020} %{m68020-40:-fl libm020} %{m68020-60:-fl libm020} %{msoft-float:-fl soft-float} %{noixemul:}
 
 *lib:
 %{mstackextend:-lstack} -lc -lamiga -ldebug -lgcc -lc

library/GNUmakefile.68k

@@ -1,11 +1,19 @@
 #
-# $Id: GNUmakefile.68k,v 1.101 2007-01-06 10:09:48 obarthel Exp $
+# $Id: GNUmakefile.68k,v 1.102 2008-03-04 16:25:35 damato Exp $
 #
 # :ts=8
 #
 
 ##############################################################################
 
+############################################
+# find out the HOST operating system
+# on which this makefile is run (default to AmigaOS)
+HOST ?= $(shell uname)
+ifeq ($(HOST),)
+  HOST = AmigaOS
+endif
+
 CC = gcc
 AR = ar -q
 RANLIB = ranlib
@@ -14,6 +22,16 @@ DELETE = delete all quiet
 MAKEDIR = makedir
 MAKE = $(MAKE_COMMAND) -f GNUmakefile.68k
 
+# override certain things for non-native builds
+ifneq ($(HOST), AmigaOS)
+   CC = m68k-amigaos-gcc
+   AR = m68k-amigaos-ar -q
+   RANLIB = m68k-amigaos-ranlib
+   COPY = cp
+   DELETE = rm -rf
+   MAKEDIR = mkdir
+endif
+
 ##############################################################################
 
 ifeq (,$(TYPE))
@@ -95,6 +113,22 @@ CODE_TYPE	:= -m68000
 CODE_FLAGS	:=
 endif
 
+ifeq (soft_float_020,$(TYPE))
+CODE_TYPE	:= -m68020-60 -msoft-float
+CODE_FLAGS	:= -DM68020 -DUSE_64_BIT_INTS
+endif
+
+ifeq (soft_float_data,$(TYPE))
+CODE_TYPE	:= -m68020-60 -msoft-float
+CODE_FLAGS	:= -fbaserel -DSMALL_DATA -DM68020 -DUSE_64_BIT_INTS
+endif
+
+ifeq (soft_float_data32,$(TYPE))
+CODE_TYPE	:= -m68020-60 -msoft-float
+CODE_FLAGS	:= -fbaserel32 -DSMALL_DATA32 -DM68020 -DUSE_64_BIT_INTS
+endif
+
+
 ##############################################################################
 
 WARNINGS = \
@@ -109,7 +143,7 @@ INCLUDES = -Iinclude -I. -Inetinclude
 #OPTIONS = -fno-builtin -fno-common -DNDEBUG -D__THREAD_SAFE
 #OPTIONS = -fno-builtin -fno-common -D__MEM_DEBUG
 #OPTIONS = -fno-builtin -fno-common -DDEBUG -D__MEM_DEBUG -DNO_INLINE_STDARG
- OPTIMIZE = -O -fomit-frame-pointer -fstrength-reduce -finline-functions
+ OPTIMIZE = -O3 -fomit-frame-pointer -funroll-loops -finline-functions
 #OPTIMIZE = -O2 -fomit-frame-pointer
 #DEBUG = -g
 
@@ -964,10 +998,13 @@ all: \
 	lib/n32bcrt0.o \
 	lib/n32rcrt0.o \
 	lib/libm020/libm.a \
+	lib/libm020/soft-float/libm.a \
 	lib/libm.a \
 	lib/libb/libm.a \
 	lib/libb/libm020/libm.a \
-	lib/libb32/libm020/libm.a
+	lib/libb/libm020/soft-float/libm.a \
+	lib/libb32/libm020/libm.a \
+	lib/libb32/libm020/soft-float/libm.a
 
 ##############################################################################
 
@@ -980,7 +1017,7 @@ clean:
 realclean:
 	$(MAKE) clean
 	-$(DELETE) lib small_data_020 small_data small_data32 large_data_020 \
-		large_data
+		large_data soft_float_020 soft_float_data soft_float_data32
 
 ##############################################################################
 
@@ -1026,15 +1063,24 @@ lib/libb : lib
 lib/libb/libm020 : lib lib/libb
 	-$(MAKEDIR) $@
 
+lib/libb/libm020/soft-float : lib lib/libb/libm020
+	-$(MAKEDIR) $@
+
 lib/libb32/libm020 : lib lib/libb32
 	-$(MAKEDIR) $@
 
+lib/libb32/libm020/soft-float : lib lib/libb32/libm020
+	-$(MAKEDIR) $@
+
 lib/libb32 : lib
 	-$(MAKEDIR) $@
 
 lib/libm020 : lib
 	-$(MAKEDIR) $@
 
+lib/libm020/soft-float : lib lib/libm020
+	-$(MAKEDIR) $@
+
 lib/libb/libm020/libm.a: lib lib/libb/libm020
 	$(MAKE) TYPE=small_data_020 kitchen_sink
 	@$(COPY) $(foreach file,$(LIBS_020),small_data_020/$(file)) lib/libb/libm020
@@ -1055,6 +1101,18 @@ lib/libm.a: lib
 	$(MAKE) TYPE=large_data kitchen_sink
 	@$(COPY) $(foreach file,$(LIBS_68K),large_data/$(file)) lib
 
+lib/libm020/soft-float/libm.a: lib lib/libm020/soft-float
+	$(MAKE) TYPE=soft_float_020 kitchen_sink
+	@$(COPY) $(foreach file,$(LIBS_020),soft_float_020/$(file)) lib/libm020/soft-float
+
+lib/libb/libm020/soft-float/libm.a: lib lib/libb/libm020/soft-float
+	$(MAKE) TYPE=soft_float_data kitchen_sink
+	@$(COPY) $(foreach file,$(LIBS_020),soft_float_data/$(file)) lib/libb/libm020/soft-float
+
+lib/libb32/libm020/soft-float/libm.a: lib lib/libb32/libm020/soft-float
+	$(MAKE) TYPE=soft_float_data32 kitchen_sink
+	@$(COPY) $(foreach file,$(LIBS_020),soft_float_data32/$(file)) lib/libb32/libm020/soft-float
+
 lib/nrcrt0.o : lib nrcrt0.o
 	@$(COPY) nrcrt0.o lib
 
@@ -1265,7 +1323,7 @@ nrcrt0.o : nrcrt0.S
 
 nr32crt0.o : nrcrt0.S
 	@echo "Assembling $< [resident32]"
-	@$(CC) -traditional -m68020 -DSMALL_DATA32 -o $@ -c nrcrt0.S
+	@$(CC) -traditional -m68020 -msoft-float -DSMALL_DATA32 -o $@ -c nrcrt0.S
 
 nbcrt0.o : ncrt0.S
 	@echo "Assembling $< [small_data]"
@@ -1273,7 +1331,7 @@ nbcrt0.o : ncrt0.S
 
 nb32crt0.o : ncrt0.S
 	@echo "Assembling $< [small_data32]"
-	@$(CC) -traditional -m68020 -DSMALL_DATA32 -o $@ -c ncrt0.S
+	@$(CC) -traditional -m68020 -msoft-float -DSMALL_DATA32 -o $@ -c ncrt0.S
 
 ncrt0.o : ncrt0.S
 	@echo "Assembling $< [large_data]"

library/changes

@@ -1,6 +1,10 @@
-- the log() and log10() functions always returned -inf() even if the arguments
+- [jlangner]: changed the GNUmakefile.68k to also build soft-float variants of all
-  was within the valid range for a log() function. Using DBL_EPSILON as the
+  our libraries. In addition the specs file now also respects the -msoft-float
-  threshold was not correct as EPSILON is 2.2204460492503131E-16 whereas
+  option at link time and sets the default link directory accordingly.
+
+- [jlangner]: the log() and log10() functions always returned -inf() even if the
+  arguments was within the valid range for a log() function. Using DBL_EPSILON as
+  the threshold was not correct as EPSILON is 2.2204460492503131E-16 whereas
   values like 1E-200 are still valid double values for a log().
 
 c.lib 1.202 (16.1.2007)