From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 81179 invoked by alias); 8 Oct 2019 20:59:27 -0000 Mailing-List: contact newlib-cvs-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: newlib-cvs-owner@sourceware.org Received: (qmail 81137 invoked by uid 447); 8 Oct 2019 20:59:26 -0000 Date: Tue, 08 Oct 2019 20:59:00 -0000 Message-ID: <20191008205926.81136.qmail@sourceware.org> Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit From: Jeff Johnston To: newlib-cvs@sourceware.org Subject: [newlib-cygwin] Add patch from Joel Sherrill for i386 and x86_64 fenv support X-Act-Checkin: newlib-cygwin X-Git-Author: Jeff Johnston X-Git-Refname: refs/heads/master X-Git-Oldrev: c561a625af9bdbcc475214036ebbedbcae1cb702 X-Git-Newrev: cfc4955234828881145a20987c8a0a3cd373585c X-SW-Source: 2019-q4/txt/msg00003.txt.bz2 https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=cfc4955234828881145a20987c8a0a3cd373585c commit cfc4955234828881145a20987c8a0a3cd373585c Author: Jeff Johnston Date: Tue Oct 8 16:57:37 2019 -0400 Add patch from Joel Sherrill for i386 and x86_64 fenv support Diff: --- newlib/configure.host | 1 + newlib/libc/machine/i386/sys/fenv.h | 1 + newlib/libc/machine/x86_64/sys/fenv.h | 170 + newlib/libm/fenv/fenv_stub.c | 23 + newlib/libm/machine/configure | 9 +- newlib/libm/machine/configure.in | 1 + newlib/libm/machine/i386/Makefile.am | 6 +- newlib/libm/machine/i386/Makefile.in | 92 +- newlib/libm/machine/i386/feclearexcept.c | 1 + newlib/libm/machine/i386/fegetenv.c | 1 + newlib/libm/machine/i386/fegetexceptflag.c | 1 + newlib/libm/machine/i386/fegetround.c | 1 + newlib/libm/machine/i386/feholdexcept.c | 1 + newlib/libm/machine/i386/fenv.c | 1 + newlib/libm/machine/i386/feraiseexcept.c | 1 + newlib/libm/machine/i386/fesetenv.c | 1 + newlib/libm/machine/i386/fesetexceptflag.c | 1 + newlib/libm/machine/i386/fesetround.c | 1 + newlib/libm/machine/i386/fetestexcept.c | 1 + newlib/libm/machine/i386/feupdateenv.c | 1 + newlib/libm/machine/x86_64/Makefile.am | 28 + newlib/libm/machine/x86_64/Makefile.in | 633 ++ newlib/libm/machine/x86_64/aclocal.m4 | 1017 ++ newlib/libm/machine/x86_64/configure | 14047 +++++++++++++++++++++++++ newlib/libm/machine/x86_64/configure.in | 25 + newlib/libm/machine/x86_64/feclearexcept.c | 1 + newlib/libm/machine/x86_64/fegetenv.c | 1 + newlib/libm/machine/x86_64/fegetexceptflag.c | 1 + newlib/libm/machine/x86_64/fegetround.c | 1 + newlib/libm/machine/x86_64/feholdexcept.c | 1 + newlib/libm/machine/x86_64/fenv.c | 477 + newlib/libm/machine/x86_64/feraiseexcept.c | 1 + newlib/libm/machine/x86_64/fesetenv.c | 1 + newlib/libm/machine/x86_64/fesetexceptflag.c | 1 + newlib/libm/machine/x86_64/fesetround.c | 1 + newlib/libm/machine/x86_64/fetestexcept.c | 1 + newlib/libm/machine/x86_64/feupdateenv.c | 1 + 37 files changed, 16544 insertions(+), 9 deletions(-) diff --git a/newlib/configure.host b/newlib/configure.host index fe7d9b7..eee630b 100644 --- a/newlib/configure.host +++ b/newlib/configure.host @@ -341,6 +341,7 @@ case "${host_cpu}" in ;; x86_64) machine_dir=x86_64 + libm_machine_dir=x86_64 ;; xc16x*) machine_dir=xc16x diff --git a/newlib/libc/machine/i386/sys/fenv.h b/newlib/libc/machine/i386/sys/fenv.h new file mode 120000 index 0000000..2180578 --- /dev/null +++ b/newlib/libc/machine/i386/sys/fenv.h @@ -0,0 +1 @@ +../../x86_64/sys/fenv.h \ No newline at end of file diff --git a/newlib/libc/machine/x86_64/sys/fenv.h b/newlib/libc/machine/x86_64/sys/fenv.h new file mode 100644 index 0000000..83f5995 --- /dev/null +++ b/newlib/libc/machine/x86_64/sys/fenv.h @@ -0,0 +1,170 @@ +/* + * SPDX-License-Identifier: BSD-2-Clause + * + * Copyright (c) 2010-2019 Red Hat, Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#ifndef _SYS_FENV_H +#define _SYS_FENV_H 1 + +#include + +#ifdef __cplusplus +extern "C" { +#endif + + +/* Primary sources: + + The Open Group Base Specifications Issue 6: + http://www.opengroup.org/onlinepubs/000095399/basedefs/fenv.h.html + + C99 Language spec (draft n1256): + + + Intel(R) 64 and IA-32 Architectures Software Developer's Manuals: + http://www.intel.com/products/processor/manuals/ + + GNU C library manual pages: + http://www.gnu.org/software/libc/manual/html_node/Control-Functions.html + http://www.gnu.org/software/libc/manual/html_node/Rounding.html + http://www.gnu.org/software/libc/manual/html_node/FP-Exceptions.html + http://www.gnu.org/software/libc/manual/html_node/Status-bit-operations.html + + Linux online man page(s): + http://linux.die.net/man/3/fegetexcept + + The documentation quotes these sources for reference. All definitions and + code have been developed solely based on the information from these specs. + +*/ + +/* Represents the entire floating-point environment. The floating-point + environment refers collectively to any floating-point status flags and + control modes supported by the implementation. + In this implementation, the struct contains the state information from + the fstenv/fnstenv instructions and a copy of the SSE MXCSR, since GCC + uses SSE for a lot of floating-point operations. (Cygwin assumes i686 + or above these days, as does the compiler.) */ + +typedef struct _fenv_t +{ + struct _fpu_env_info { + unsigned int _fpu_cw; /* low 16 bits only. */ + unsigned int _fpu_sw; /* low 16 bits only. */ + unsigned int _fpu_tagw; /* low 16 bits only. */ + unsigned int _fpu_ipoff; + unsigned int _fpu_ipsel; + unsigned int _fpu_opoff; + unsigned int _fpu_opsel; /* low 16 bits only. */ + } _fpu; + unsigned int _sse_mxcsr; +} fenv_t; + +/* Represents the floating-point status flags collectively, including + any status the implementation associates with the flags. A floating-point + status flag is a system variable whose value is set (but never cleared) + when a floating-point exception is raised, which occurs as a side effect + of exceptional floating-point arithmetic to provide auxiliary information. + A floating-point control mode is a system variable whose value may be + set by the user to affect the subsequent behavior of floating-point + arithmetic. */ + +typedef __uint32_t fexcept_t; + +/* The header shall define the following constants if and only + if the implementation supports the floating-point exception by means + of the floating-point functions feclearexcept(), fegetexceptflag(), + feraiseexcept(), fesetexceptflag(), and fetestexcept(). Each expands to + an integer constant expression with values such that bitwise-inclusive + ORs of all combinations of the constants result in distinct values. */ + +#define FE_DIVBYZERO (1 << 2) +#define FE_INEXACT (1 << 5) +#define FE_INVALID (1 << 0) +#define FE_OVERFLOW (1 << 3) +#define FE_UNDERFLOW (1 << 4) + +/* The header shall define the following constant, which is + simply the bitwise-inclusive OR of all floating-point exception + constants defined above: */ + +/* in agreement w/ Linux the subnormal exception will always be masked */ +#define FE_ALL_EXCEPT \ + (FE_INEXACT | FE_UNDERFLOW | FE_OVERFLOW | FE_DIVBYZERO | FE_INVALID) + +/* The header shall define the following constants if and only + if the implementation supports getting and setting the represented + rounding direction by means of the fegetround() and fesetround() + functions. Each expands to an integer constant expression whose values + are distinct non-negative vales. */ + +#define FE_DOWNWARD (1) +#define FE_TONEAREST (0) +#define FE_TOWARDZERO (3) +#define FE_UPWARD (2) + +/* Only Solaris and QNX implement fegetprec/fesetprec. As Solaris, use the + values defined by http://www.open-std.org/jtc1/sc22//WG14/www/docs/n752.htm + QNX defines different values. */ +#if __MISC_VISIBLE +#define FE_FLTPREC (0) +#define FE_DBLPREC (2) +#define FE_LDBLPREC (3) +#endif + +/* The header shall define the following constant, which + represents the default floating-point environment (that is, the one + installed at program startup) and has type pointer to const-qualified + fenv_t. It can be used as an argument to the functions within the + header that manage the floating-point environment. */ + +extern const fenv_t *_fe_dfl_env; +#define FE_DFL_ENV (_fe_dfl_env) + +/* Additional implementation-defined environments, with macro + definitions beginning with FE_ and an uppercase letter,and having + type "pointer to const-qualified fenv_t",may also be specified by + the implementation. */ + +#if __GNU_VISIBLE +/* If possible, the GNU C Library defines a macro FE_NOMASK_ENV which + represents an environment where every exception raised causes a trap + to occur. You can test for this macro using #ifdef. It is only defined + if _GNU_SOURCE is defined. */ +extern const fenv_t *_fe_nomask_env; +#define FE_NOMASK_ENV (_fe_nomask_env) +#endif /* __GNU_VISIBLE */ + +#ifdef __INSIDE_CYGWIN__ +/* This is Cygwin-custom, not from the standard, for use in the Cygwin CRT. */ +extern void _feinitialise (); +#endif + +#ifdef __cplusplus +} +#endif + +#endif /* _FENV_H */ diff --git a/newlib/libm/fenv/fenv_stub.c b/newlib/libm/fenv/fenv_stub.c new file mode 100644 index 0000000..a4eb652 --- /dev/null +++ b/newlib/libm/fenv/fenv_stub.c @@ -0,0 +1,23 @@ +/* + * SPDX-License-Identifier: BSD-2-Clause + * + * (c) Copyright 2019 Joel Sherrill , it will need + * to override the default implementation found in a file in this directory. + * + * For each file that the target's machine directory needs to override, + * this file should be symbolically linked to that specific file name + * in the target directory. For example, the target may use fe_dfl_env.c + * from the default implementation but need to override all others. + */ + +/* deliberately empty */ + diff --git a/newlib/libm/machine/configure b/newlib/libm/machine/configure index 071a70c..2053e9c 100755 --- a/newlib/libm/machine/configure +++ b/newlib/libm/machine/configure @@ -791,7 +791,8 @@ arm i386 nds32 spu -riscv' +riscv +x86_64' # Initialize some variables set by options. ac_init_help= @@ -11453,7 +11454,7 @@ else lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2 lt_status=$lt_dlunknown cat > conftest.$ac_ext <<_LT_EOF -#line 11456 "configure" +#line 11457 "configure" #include "confdefs.h" #if HAVE_DLFCN_H @@ -11559,7 +11560,7 @@ else lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2 lt_status=$lt_dlunknown cat > conftest.$ac_ext <<_LT_EOF -#line 11562 "configure" +#line 11563 "configure" #include "confdefs.h" #if HAVE_DLFCN_H @@ -11816,6 +11817,8 @@ subdirs="$subdirs aarch64" ;; riscv) subdirs="$subdirs riscv" ;; + x86_64) subdirs="$subdirs x86_64" + ;; esac; if test "${use_libtool}" = "yes"; then machlib=${libm_machine_dir}/lib${libm_machine_dir}.${aext} diff --git a/newlib/libm/machine/configure.in b/newlib/libm/machine/configure.in index 55e2d35..f43ae1b 100644 --- a/newlib/libm/machine/configure.in +++ b/newlib/libm/machine/configure.in @@ -31,6 +31,7 @@ if test -n "${libm_machine_dir}"; then nds32) AC_CONFIG_SUBDIRS(nds32) ;; spu) AC_CONFIG_SUBDIRS(spu) ;; riscv) AC_CONFIG_SUBDIRS(riscv) ;; + x86_64) AC_CONFIG_SUBDIRS(x86_64) ;; esac; if test "${use_libtool}" = "yes"; then machlib=${libm_machine_dir}/lib${libm_machine_dir}.${aext} diff --git a/newlib/libm/machine/i386/Makefile.am b/newlib/libm/machine/i386/Makefile.am index 6fade2d..249f876 100644 --- a/newlib/libm/machine/i386/Makefile.am +++ b/newlib/libm/machine/i386/Makefile.am @@ -12,8 +12,10 @@ LIB_SOURCES = \ f_log.S f_logf.S f_log10.S f_log10f.S \ f_ldexp.S f_ldexpf.S f_lrint.c f_lrintf.c f_lrintl.c \ f_pow.c f_powf.c f_rint.c f_rintf.c f_rintl.c \ - f_tan.S f_tanf.S f_math.h \ - i386mach.h + f_tan.S f_tanf.S f_math.h i386mach.h \ + fenv.c feclearexcept.c fegetenv.c fegetexceptflag.c \ + fegetround.c feholdexcept.c feraiseexcept.c fesetenv.c \ + fesetexceptflag.c fesetround.c fetestexcept.c feupdateenv.c libi386_la_LDFLAGS = -Xcompiler -nostdlib diff --git a/newlib/libm/machine/i386/Makefile.in b/newlib/libm/machine/i386/Makefile.in index 13f536e..2be90ee 100644 --- a/newlib/libm/machine/i386/Makefile.in +++ b/newlib/libm/machine/i386/Makefile.in @@ -87,7 +87,13 @@ am__objects_1 = lib_a-f_atan2.$(OBJEXT) lib_a-f_atan2f.$(OBJEXT) \ lib_a-f_pow.$(OBJEXT) lib_a-f_powf.$(OBJEXT) \ lib_a-f_rint.$(OBJEXT) lib_a-f_rintf.$(OBJEXT) \ lib_a-f_rintl.$(OBJEXT) lib_a-f_tan.$(OBJEXT) \ - lib_a-f_tanf.$(OBJEXT) + lib_a-f_tanf.$(OBJEXT) lib_a-fenv.$(OBJEXT) \ + lib_a-feclearexcept.$(OBJEXT) lib_a-fegetenv.$(OBJEXT) \ + lib_a-fegetexceptflag.$(OBJEXT) lib_a-fegetround.$(OBJEXT) \ + lib_a-feholdexcept.$(OBJEXT) lib_a-feraiseexcept.$(OBJEXT) \ + lib_a-fesetenv.$(OBJEXT) lib_a-fesetexceptflag.$(OBJEXT) \ + lib_a-fesetround.$(OBJEXT) lib_a-fetestexcept.$(OBJEXT) \ + lib_a-feupdateenv.$(OBJEXT) @USE_LIBTOOL_FALSE@am_lib_a_OBJECTS = $(am__objects_1) lib_a_OBJECTS = $(am_lib_a_OBJECTS) LTLIBRARIES = $(noinst_LTLIBRARIES) @@ -96,7 +102,11 @@ am__objects_2 = f_atan2.lo f_atan2f.lo f_exp.lo f_expf.lo f_frexp.lo \ f_frexpf.lo f_llrint.lo f_llrintf.lo f_llrintl.lo f_log.lo \ f_logf.lo f_log10.lo f_log10f.lo f_ldexp.lo f_ldexpf.lo \ f_lrint.lo f_lrintf.lo f_lrintl.lo f_pow.lo f_powf.lo \ - f_rint.lo f_rintf.lo f_rintl.lo f_tan.lo f_tanf.lo + f_rint.lo f_rintf.lo f_rintl.lo f_tan.lo f_tanf.lo fenv.lo \ + feclearexcept.lo fegetenv.lo fegetexceptflag.lo fegetround.lo \ + feholdexcept.lo feraiseexcept.lo fesetenv.lo \ + fesetexceptflag.lo fesetround.lo fetestexcept.lo \ + feupdateenv.lo @USE_LIBTOOL_TRUE@am_libi386_la_OBJECTS = $(am__objects_2) libi386_la_OBJECTS = $(am_libi386_la_OBJECTS) libi386_la_LINK = $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) \ @@ -263,8 +273,10 @@ LIB_SOURCES = \ f_log.S f_logf.S f_log10.S f_log10f.S \ f_ldexp.S f_ldexpf.S f_lrint.c f_lrintf.c f_lrintl.c \ f_pow.c f_powf.c f_rint.c f_rintf.c f_rintl.c \ - f_tan.S f_tanf.S f_math.h \ - i386mach.h + f_tan.S f_tanf.S f_math.h i386mach.h \ + fenv.c feclearexcept.c fegetenv.c fegetexceptflag.c \ + fegetround.c feholdexcept.c feraiseexcept.c fesetenv.c \ + fesetexceptflag.c fesetround.c fetestexcept.c feupdateenv.c libi386_la_LDFLAGS = -Xcompiler -nostdlib @USE_LIBTOOL_TRUE@noinst_LTLIBRARIES = libi386.la @@ -519,6 +531,78 @@ lib_a-f_rintl.o: f_rintl.c lib_a-f_rintl.obj: f_rintl.c $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-f_rintl.obj `if test -f 'f_rintl.c'; then $(CYGPATH_W) 'f_rintl.c'; else $(CYGPATH_W) '$(srcdir)/f_rintl.c'; fi` +lib_a-fenv.o: fenv.c + $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-fenv.o `test -f 'fenv.c' || echo '$(srcdir)/'`fenv.c + +lib_a-fenv.obj: fenv.c + $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-fenv.obj `if test -f 'fenv.c'; then $(CYGPATH_W) 'fenv.c'; else $(CYGPATH_W) '$(srcdir)/fenv.c'; fi` + +lib_a-feclearexcept.o: feclearexcept.c + $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-feclearexcept.o `test -f 'feclearexcept.c' || echo '$(srcdir)/'`feclearexcept.c + +lib_a-feclearexcept.obj: feclearexcept.c + $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-feclearexcept.obj `if test -f 'feclearexcept.c'; then $(CYGPATH_W) 'feclearexcept.c'; else $(CYGPATH_W) '$(srcdir)/feclearexcept.c'; fi` + +lib_a-fegetenv.o: fegetenv.c + $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-fegetenv.o `test -f 'fegetenv.c' || echo '$(srcdir)/'`fegetenv.c + +lib_a-fegetenv.obj: fegetenv.c + $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-fegetenv.obj `if test -f 'fegetenv.c'; then $(CYGPATH_W) 'fegetenv.c'; else $(CYGPATH_W) '$(srcdir)/fegetenv.c'; fi` + +lib_a-fegetexceptflag.o: fegetexceptflag.c + $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-fegetexceptflag.o `test -f 'fegetexceptflag.c' || echo '$(srcdir)/'`fegetexceptflag.c + +lib_a-fegetexceptflag.obj: fegetexceptflag.c + $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-fegetexceptflag.obj `if test -f 'fegetexceptflag.c'; then $(CYGPATH_W) 'fegetexceptflag.c'; else $(CYGPATH_W) '$(srcdir)/fegetexceptflag.c'; fi` + +lib_a-fegetround.o: fegetround.c + $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-fegetround.o `test -f 'fegetround.c' || echo '$(srcdir)/'`fegetround.c + +lib_a-fegetround.obj: fegetround.c + $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-fegetround.obj `if test -f 'fegetround.c'; then $(CYGPATH_W) 'fegetround.c'; else $(CYGPATH_W) '$(srcdir)/fegetround.c'; fi` + +lib_a-feholdexcept.o: feholdexcept.c + $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-feholdexcept.o `test -f 'feholdexcept.c' || echo '$(srcdir)/'`feholdexcept.c + +lib_a-feholdexcept.obj: feholdexcept.c + $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-feholdexcept.obj `if test -f 'feholdexcept.c'; then $(CYGPATH_W) 'feholdexcept.c'; else $(CYGPATH_W) '$(srcdir)/feholdexcept.c'; fi` + +lib_a-feraiseexcept.o: feraiseexcept.c + $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-feraiseexcept.o `test -f 'feraiseexcept.c' || echo '$(srcdir)/'`feraiseexcept.c + +lib_a-feraiseexcept.obj: feraiseexcept.c + $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-feraiseexcept.obj `if test -f 'feraiseexcept.c'; then $(CYGPATH_W) 'feraiseexcept.c'; else $(CYGPATH_W) '$(srcdir)/feraiseexcept.c'; fi` + +lib_a-fesetenv.o: fesetenv.c + $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-fesetenv.o `test -f 'fesetenv.c' || echo '$(srcdir)/'`fesetenv.c + +lib_a-fesetenv.obj: fesetenv.c + $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-fesetenv.obj `if test -f 'fesetenv.c'; then $(CYGPATH_W) 'fesetenv.c'; else $(CYGPATH_W) '$(srcdir)/fesetenv.c'; fi` + +lib_a-fesetexceptflag.o: fesetexceptflag.c + $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-fesetexceptflag.o `test -f 'fesetexceptflag.c' || echo '$(srcdir)/'`fesetexceptflag.c + +lib_a-fesetexceptflag.obj: fesetexceptflag.c + $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-fesetexceptflag.obj `if test -f 'fesetexceptflag.c'; then $(CYGPATH_W) 'fesetexceptflag.c'; else $(CYGPATH_W) '$(srcdir)/fesetexceptflag.c'; fi` + +lib_a-fesetround.o: fesetround.c + $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-fesetround.o `test -f 'fesetround.c' || echo '$(srcdir)/'`fesetround.c + +lib_a-fesetround.obj: fesetround.c + $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-fesetround.obj `if test -f 'fesetround.c'; then $(CYGPATH_W) 'fesetround.c'; 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But do not cause bugs in bash 2.01; the "|| exit 1" +# suppresses any "Segmentation fault" message there. '((' could +# trigger a bug in pdksh 5.2.14. +for as_var in BASH_ENV ENV MAIL MAILPATH +do eval test x\${$as_var+set} = xset \ + && ( (unset $as_var) || exit 1) >/dev/null 2>&1 && unset $as_var || : +done +PS1='$ ' +PS2='> ' +PS4='+ ' + +# NLS nuisances. +LC_ALL=C +export LC_ALL +LANGUAGE=C +export LANGUAGE + +# CDPATH. +(unset CDPATH) >/dev/null 2>&1 && unset CDPATH + +if test "x$CONFIG_SHELL" = x; then + as_bourne_compatible="if test -n \"\${ZSH_VERSION+set}\" && (emulate sh) >/dev/null 2>&1; then : + emulate sh + NULLCMD=: + # Pre-4.2 versions of Zsh do word splitting on \${1+\"\$@\"}, which + # is contrary to our usage. Disable this feature. + alias -g '\${1+\"\$@\"}'='\"\$@\"' + setopt NO_GLOB_SUBST +else + case \`(set -o) 2>/dev/null\` in #( + *posix*) : + set -o posix ;; #( + *) : + ;; +esac +fi +" + as_required="as_fn_return () { (exit \$1); } +as_fn_success () { as_fn_return 0; } +as_fn_failure () { as_fn_return 1; } +as_fn_ret_success () { return 0; } +as_fn_ret_failure () { return 1; } + +exitcode=0 +as_fn_success || { exitcode=1; echo as_fn_success failed.; } +as_fn_failure && { exitcode=1; echo as_fn_failure succeeded.; } +as_fn_ret_success || { exitcode=1; echo as_fn_ret_success failed.; } +as_fn_ret_failure && { exitcode=1; echo as_fn_ret_failure succeeded.; } +if ( set x; as_fn_ret_success y && test x = \"\$1\" ); then : + +else + exitcode=1; echo positional parameters were not saved. +fi +test x\$exitcode = x0 || exit 1" + as_suggested=" as_lineno_1=";as_suggested=$as_suggested$LINENO;as_suggested=$as_suggested" as_lineno_1a=\$LINENO + as_lineno_2=";as_suggested=$as_suggested$LINENO;as_suggested=$as_suggested" as_lineno_2a=\$LINENO + eval 'test \"x\$as_lineno_1'\$as_run'\" != \"x\$as_lineno_2'\$as_run'\" && + test \"x\`expr \$as_lineno_1'\$as_run' + 1\`\" = \"x\$as_lineno_2'\$as_run'\"' || exit 1 +test \$(( 1 + 1 )) = 2 || exit 1 + + test -n \"\${ZSH_VERSION+set}\${BASH_VERSION+set}\" || ( + ECHO='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\' + ECHO=\$ECHO\$ECHO\$ECHO\$ECHO\$ECHO + ECHO=\$ECHO\$ECHO\$ECHO\$ECHO\$ECHO\$ECHO + PATH=/empty FPATH=/empty; export PATH FPATH + test \"X\`printf %s \$ECHO\`\" = \"X\$ECHO\" \\ + || test \"X\`print -r -- \$ECHO\`\" = \"X\$ECHO\" ) || exit 1" + if (eval "$as_required") 2>/dev/null; then : + as_have_required=yes +else + as_have_required=no +fi + if test x$as_have_required = xyes && (eval "$as_suggested") 2>/dev/null; then : + +else + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +as_found=false +for as_dir in /bin$PATH_SEPARATOR/usr/bin$PATH_SEPARATOR$PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + as_found=: + case $as_dir in #( + /*) + for as_base in sh bash ksh sh5; do + # Try only shells that exist, to save several forks. + as_shell=$as_dir/$as_base + if { test -f "$as_shell" || test -f "$as_shell.exe"; } && + { $as_echo "$as_bourne_compatible""$as_required" | as_run=a "$as_shell"; } 2>/dev/null; then : + CONFIG_SHELL=$as_shell as_have_required=yes + if { $as_echo "$as_bourne_compatible""$as_suggested" | as_run=a "$as_shell"; } 2>/dev/null; then : + break 2 +fi +fi + done;; + esac + as_found=false +done +$as_found || { if { test -f "$SHELL" || test -f "$SHELL.exe"; } && + { $as_echo "$as_bourne_compatible""$as_required" | as_run=a "$SHELL"; } 2>/dev/null; then : + CONFIG_SHELL=$SHELL as_have_required=yes +fi; } +IFS=$as_save_IFS + + + if test "x$CONFIG_SHELL" != x; then : + # We cannot yet assume a decent shell, so we have to provide a + # neutralization value for shells without unset; and this also + # works around shells that cannot unset nonexistent variables. + # Preserve -v and -x to the replacement shell. + BASH_ENV=/dev/null + ENV=/dev/null + (unset BASH_ENV) >/dev/null 2>&1 && unset BASH_ENV ENV + export CONFIG_SHELL + case $- in # (((( + *v*x* | *x*v* ) as_opts=-vx ;; + *v* ) as_opts=-v ;; + *x* ) as_opts=-x ;; + * ) as_opts= ;; + esac + exec "$CONFIG_SHELL" $as_opts "$as_myself" ${1+"$@"} +fi + + if test x$as_have_required = xno; then : + $as_echo "$0: This script requires a shell more modern than all" + $as_echo "$0: the shells that I found on your system." + if test x${ZSH_VERSION+set} = xset ; then + $as_echo "$0: In particular, zsh $ZSH_VERSION has bugs and should" + $as_echo "$0: be upgraded to zsh 4.3.4 or later." + else + $as_echo "$0: Please tell bug-autoconf@gnu.org about your system, +$0: including any error possibly output before this +$0: message. Then install a modern shell, or manually run +$0: the script under such a shell if you do have one." + fi + exit 1 +fi +fi +fi +SHELL=${CONFIG_SHELL-/bin/sh} +export SHELL +# Unset more variables known to interfere with behavior of common tools. +CLICOLOR_FORCE= GREP_OPTIONS= +unset CLICOLOR_FORCE GREP_OPTIONS + +## --------------------- ## +## M4sh Shell Functions. ## +## --------------------- ## +# as_fn_unset VAR +# --------------- +# Portably unset VAR. +as_fn_unset () +{ + { eval $1=; unset $1;} +} +as_unset=as_fn_unset + +# as_fn_set_status STATUS +# ----------------------- +# Set $? to STATUS, without forking. +as_fn_set_status () +{ + return $1 +} # as_fn_set_status + +# as_fn_exit STATUS +# ----------------- +# Exit the shell with STATUS, even in a "trap 0" or "set -e" context. +as_fn_exit () +{ + set +e + as_fn_set_status $1 + exit $1 +} # as_fn_exit + +# as_fn_mkdir_p +# ------------- +# Create "$as_dir" as a directory, including parents if necessary. +as_fn_mkdir_p () +{ + + case $as_dir in #( + -*) as_dir=./$as_dir;; + esac + test -d "$as_dir" || eval $as_mkdir_p || { + as_dirs= + while :; do + case $as_dir in #( + *\'*) as_qdir=`$as_echo "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #'( + *) as_qdir=$as_dir;; + esac + as_dirs="'$as_qdir' $as_dirs" + as_dir=`$as_dirname -- "$as_dir" || +$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \ + X"$as_dir" : 'X\(//\)[^/]' \| \ + X"$as_dir" : 'X\(//\)$' \| \ + X"$as_dir" : 'X\(/\)' \| . 2>/dev/null || +$as_echo X"$as_dir" | + sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ + s//\1/ + q + } + /^X\(\/\/\)[^/].*/{ + s//\1/ + q + } + /^X\(\/\/\)$/{ + s//\1/ + q + } + /^X\(\/\).*/{ + s//\1/ + q + } + s/.*/./; q'` + test -d "$as_dir" && break + done + test -z "$as_dirs" || eval "mkdir $as_dirs" + } || test -d "$as_dir" || as_fn_error $? "cannot create directory $as_dir" + + +} # as_fn_mkdir_p +# as_fn_append VAR VALUE +# ---------------------- +# Append the text in VALUE to the end of the definition contained in VAR. Take +# advantage of any shell optimizations that allow amortized linear growth over +# repeated appends, instead of the typical quadratic growth present in naive +# implementations. +if (eval "as_var=1; as_var+=2; test x\$as_var = x12") 2>/dev/null; then : + eval 'as_fn_append () + { + eval $1+=\$2 + }' +else + as_fn_append () + { + eval $1=\$$1\$2 + } +fi # as_fn_append + +# as_fn_arith ARG... +# ------------------ +# Perform arithmetic evaluation on the ARGs, and store the result in the +# global $as_val. Take advantage of shells that can avoid forks. The arguments +# must be portable across $(()) and expr. +if (eval "test \$(( 1 + 1 )) = 2") 2>/dev/null; then : + eval 'as_fn_arith () + { + as_val=$(( $* )) + }' +else + as_fn_arith () + { + as_val=`expr "$@" || test $? -eq 1` + } +fi # as_fn_arith + + +# as_fn_error STATUS ERROR [LINENO LOG_FD] +# ---------------------------------------- +# Output "`basename $0`: error: ERROR" to stderr. If LINENO and LOG_FD are +# provided, also output the error to LOG_FD, referencing LINENO. Then exit the +# script with STATUS, using 1 if that was 0. +as_fn_error () +{ + as_status=$1; test $as_status -eq 0 && as_status=1 + if test "$4"; then + as_lineno=${as_lineno-"$3"} as_lineno_stack=as_lineno_stack=$as_lineno_stack + $as_echo "$as_me:${as_lineno-$LINENO}: error: $2" >&$4 + fi + $as_echo "$as_me: error: $2" >&2 + as_fn_exit $as_status +} # as_fn_error + +if expr a : '\(a\)' >/dev/null 2>&1 && + test "X`expr 00001 : '.*\(...\)'`" = X001; then + as_expr=expr +else + as_expr=false +fi + +if (basename -- /) >/dev/null 2>&1 && test "X`basename -- / 2>&1`" = "X/"; then + as_basename=basename +else + as_basename=false +fi + +if (as_dir=`dirname -- /` && test "X$as_dir" = X/) >/dev/null 2>&1; then + as_dirname=dirname +else + as_dirname=false +fi + +as_me=`$as_basename -- "$0" || +$as_expr [...] [diff truncated at 100000 bytes]