1# 2# This file and its contents are supplied under the terms of the 3# Common Development and Distribution License ("CDDL"), version 1.0. 4# You may only use this file in accordance with the terms of version 5# 1.0 of the CDDL. 6# 7# A full copy of the text of the CDDL should have accompanied this 8# source. A copy of the CDDL is also available via the Internet at 9# http://www.illumos.org/license/CDDL. 10# 11 12# 13# Copyright 2011 Nexenta Systems, Inc. All rights reserved. 14# 15 16LIBMDIR = $(SRC)/lib/libm 17 18LIBMSRC = $(LIBMDIR)/common 19 20CPP_CMD = $(CC) -E -Xs 21 22ASSUFFIX_sparc = S 23ASSUFFIX_i386 = s 24ASSUFFIX = $(ASSUFFIX_$(MACH)) 25 26# With studio CSTD of neither enabled nor disabled is "no_lib", whereby we 27# expect C99-the-language, but don't modify the behaviour of library routines. 28# This is VERY IMPORTANT, as $(CSTD_GNU99), for instance, would link us with 29# values-xpg6, which would introduce an __xpg6 to our object with the C99 30# flags set, causing us to default C99 libm behaviour on, breaking 31# compatibility. 32# 33# We must then, unfortunately, defeat the GNU compiler _defaulting_ to C99, by 34# in that case setting it back to gnu89, which _also_ accepts C99 syntax as 35# far as is important. 36CSTD = 37CFLAGS += -_gcc=-std=gnu89 38CFLAGS64 += -_gcc=-std=gnu89 39 40M4FLAGS = -D__STDC__ -DPIC 41 42LDBLDIR_sparc = Q 43LDBLDIR_i386 = LD 44LDBLDIR = $(LDBLDIR_$(MACH)) 45 46LM_IL = $(LIBMDIR)/$(TARGET_ARCH)/src/locallibm.il 47 48CFLAGS += $(C_PICFLAGS) $(XSTRCONST) $(LM_IL) 49CFLAGS64 += $(C_PICFLAGS) $(XSTRCONST) $(LM_IL) 50sparc_CFLAGS += -Wa,-xarch=v8plus 51 52CPPFLAGS += -I$(LIBMSRC)/C \ 53 -I$(LIBMSRC)/$(LDBLDIR) -I$(LIBMDIR)/$(TARGET_ARCH)/src 54 55# GCC needs __C99FEATURES__ such that the implementations of isunordered, 56# isgreaterequal, islessequal, etc, exist. This is basically equivalent to 57# providing no -xc99 to Studio, in that it gets us the C99 language features, 58# but not values-xpg6, the reason for which is outlined with CSTD. 59CFLAGS += -_gcc=-D__C99FEATURES__ 60CFLAGS64 += -_gcc=-D__C99FEATURES__ 61 62# libm depends on integer overflow characteristics 63CFLAGS += -_gcc=-fno-strict-overflow 64CFLAGS64 += -_gcc=-fno-strict-overflow 65 66$(DYNLIB) := LDLIBS += -lc 67 68$(LINTLIB) := SRCS = $(LIBMSRC)/$(LINTSRC) 69 70CLEANFILES += pics/*.s pics/*.S 71 72FPDEF_amd64 = -DARCH_amd64 73FPDEF_sparc = -DCG89 -DARCH_v8plus -DFPADD_TRAPS_INCOMPLETE_ON_NAN 74FPDEF_sparcv9 = -DARCH_v9 -DFPADD_TRAPS_INCOMPLETE_ON_NAN 75FPDEF = $(FPDEF_$(TARGET_ARCH)) 76 77ASFLAGS = -P -D_ASM $(FPDEF) 78 79XARCH_sparc = v8plus 80XARCH_sparcv9 = v9 81XARCH_i386 = f80387 82XARCH_amd64 = amd64 83XARCH = $(XARCH_$(TARGET_ARCH)) 84 85ASOPT_sparc = -xarch=$(XARCH) $(AS_PICFLAGS) 86ASOPT_sparcv9 = -xarch=$(XARCH) $(AS_PICFLAGS) 87ASOPT_i386 = 88ASOPT_amd64 = -xarch=$(XARCH) $(AS_PICFLAGS) 89ASOPT = $(ASOPT_$(TARGET_ARCH)) 90 91ASFLAGS += $(ASOPT) 92 93CPPFLAGS_sparc = -DFPADD_TRAPS_INCOMPLETE_ON_NAN \ 94 -DFDTOS_TRAPS_INCOMPLETE_IN_FNS_MODE 95 96CPPFLAGS += $(CPPFLAGS_$(MACH)) 97ASFLAGS += $(CPPFLAGS) 98