diff options
| -rw-r--r-- | ChangeLog | 23 | ||||
| -rw-r--r-- | elf/Makefile | 9 | ||||
| -rw-r--r-- | include/features.h | 10 | ||||
| -rw-r--r-- | math/tgmath.h | 83 |
4 files changed, 88 insertions, 37 deletions
@@ -1,3 +1,26 @@ +2000-08-01 Ulrich Drepper <drepper@redhat.com> + Joseph S. Myers <jsm28@cam.ac.uk> + + * math/tgmath.h: Make standard compliant. Don't ask how. + +2000-07-04 H.J. Lu <hjl@gnu.org> + + * elf/Makefile ($(inst_slibdir)/$(rtld-version-installed-name)): + Use $(do-install-program) instead of "$(INSTALL_PROGRAM) $< $@.new". + ($(inst_slibdir)/$(rtld-installed-name)): Use $(make-shlib-link) only. + +2000-07-30 Maciej W. Rozycki <macro@ds2.pg.gda.pl> + + * include/features.h (_XOPEN_SOURCE): Update the explanation. + (__USE_LARGEFILE): Add an explanation. + (_POSIX_C_SOURCE): Define to 2 only if _XOPEN_SOURCE < 500. + (__USE_XOPEN2K): Define whenever _XOPEN_SOURCE >= 600. + +2000-08-01 Ulrich Drepper <drepper@redhat.com> + + * libio/Makefile: Enable exception handling for genops, wgenops, + fileops, and wfileops. + 2000-07-29 Mark Kettenis <kettenis@gnu.org> * sysdeps/mach/hurd/dl-sysdep.c (_dl_sysdep_start): Take into diff --git a/elf/Makefile b/elf/Makefile index 6290132661..7dc4f7cbca 100644 --- a/elf/Makefile +++ b/elf/Makefile @@ -174,17 +174,12 @@ CPPFLAGS-dl-load.c = -I$(objpfx). ifeq (yes,$(build-shared)) $(inst_slibdir)/$(rtld-version-installed-name): $(objpfx)ld.so $(+force) $(make-target-directory) - $(INSTALL_PROGRAM) $< $@.new + $(do-install-program) $(inst_slibdir)/$(rtld-installed-name): \ $(inst_slibdir)/$(rtld-version-installed-name) \ $(inst_slibdir)/libc-$(version).so - rm -f $@ $< - $(symbolic-link-prog) $<.new $@ - ln $<.new $< - rm -f $@ - $(symbolic-link-prog) $(<F) $@ - rm -f $<.new + $(make-shlib-link) # Special target called by parent to install just the dynamic linker. .PHONY: ldso_install diff --git a/include/features.h b/include/features.h index 96ac7e5f75..6e3a8763b3 100644 --- a/include/features.h +++ b/include/features.h @@ -29,7 +29,8 @@ if >=199309L, add IEEE Std 1003.1b-1993; if >=199506L, add IEEE Std 1003.1c-1995 _XOPEN_SOURCE Includes POSIX and XPG things. Set to 500 if - Single Unix conformance is wanted. + Single Unix conformance is wanted, to 600 for the + upcoming sixth revision. _XOPEN_SOURCE_EXTENDED XPG things and X/Open Unix extensions. _LARGEFILE_SOURCE Some more functions for correct standard I/O. _LARGEFILE64_SOURCE Additional functionality from LFS for large files. @@ -57,7 +58,8 @@ __USE_XOPEN Define XPG things. __USE_XOPEN_EXTENDED Define X/Open Unix things. __USE_UNIX98 Define Single Unix V2 things. - __USE_XOPEN2K Define XPG6 things + __USE_XOPEN2K Define XPG6 things. + __USE_LARGEFILE Define correct standard I/O things. __USE_LARGEFILE64 Define LFS things with separate names. __USE_FILE_OFFSET64 Define 64bit interface as default. __USE_BSD Define 4.3BSD things. @@ -162,7 +164,7 @@ #if (!defined __STRICT_ANSI__ && !defined _POSIX_SOURCE && \ !defined _POSIX_C_SOURCE) # define _POSIX_SOURCE 1 -# if defined _XOPEN_SOURCE && (_XOPEN_SOURCE - 0) != 500 +# if defined _XOPEN_SOURCE && (_XOPEN_SOURCE - 0) < 500 # define _POSIX_C_SOURCE 2 # else # define _POSIX_C_SOURCE 199506L @@ -192,7 +194,7 @@ # define __USE_UNIX98 1 # undef _LARGEFILE_SOURCE # define _LARGEFILE_SOURCE 1 -# if (_XOPEN_SOURCE - 0) == 600 +# if (_XOPEN_SOURCE - 0) >= 600 # define __USE_XOPEN2K 1 # endif # else diff --git a/math/tgmath.h b/math/tgmath.h index fc2fdcab37..ccc304ca62 100644 --- a/math/tgmath.h +++ b/math/tgmath.h @@ -36,12 +36,31 @@ #if __GNUC_PREREQ (2, 7) +/* This is ugly but unless gcc gets appropriate builtins we have to do + something like this. Don't ask how it works. */ + +/* 1 if 'type' is a floating type, 0 if 'type' is an integer type. + Allows for _Bool. Expands to an integer constant expression. */ +#define __floating_type(type) (((type) 0.25) && ((type) 0.25 - 1)) + +/* The tgmath real type for T, where E is 0 if T is an integer type and + 1 for a floating type. */ +#define __tgmath_real_type_sub(T, E) \ + __typeof__(*(0 ? (__typeof__(0 ? (double *)0 : (void *)(E)))0 \ + : (__typeof__(0 ? (T *)0 : (void *)(!(E))))0)) + +/* The tgmath real type of EXPR. */ +#define __tgmath_real_type(expr) \ + __tgmath_real_type_sub(__typeof__(expr), __floating_type(__typeof__(expr))) + + /* We have two kinds of generic macros: to support functions which are only defined on real valued parameters and those which are defined for complex functions as well. */ # define __TGMATH_UNARY_REAL_ONLY(Val, Fct) \ - (__extension__ ({ __typeof__ (Val) __tgmres; \ - if (sizeof (Val) == sizeof (double)) \ + (__extension__ ({ __tgmath_real_type (Val) __tgmres; \ + if (sizeof (Val) == sizeof (double) \ + || __builtin_classify_type (Val) != 8) \ __tgmres = Fct (Val); \ else if (sizeof (Val) == sizeof (float)) \ __tgmres = Fct##f (Val); \ @@ -50,8 +69,9 @@ __tgmres; })) # define __TGMATH_BINARY_FIRST_REAL_ONLY(Val1, Val2, Fct) \ - (__extension__ ({ __typeof__ (Val1) __tgmres; \ - if (sizeof (Val1) == sizeof (double)) \ + (__extension__ ({ __tgmath_real_type (Val1) __tgmres; \ + if (sizeof (Val1) == sizeof (double) \ + || __builtin_classify_type (Val) != 8) \ __tgmres = Fct (Val1, Val2); \ else if (sizeof (Val1) == sizeof (float)) \ __tgmres = Fct##f (Val1, Val2); \ @@ -60,38 +80,44 @@ __tgmres; })) # define __TGMATH_BINARY_REAL_ONLY(Val1, Val2, Fct) \ - (__extension__ ({ __typeof__ ((Val1) + (Val2)) __tgmres; \ - if (sizeof (Val1) > sizeof (double) \ - || sizeof (Val2) > sizeof (double)) \ + (__extension__ ({ __tgmath_real_type ((Val1) + (Val2)) __tgmres; \ + if ((sizeof (Val1) > sizeof (double) \ + || sizeof (Val2) > sizeof (double)) \ + && __builtin_classify_type (Val) == 8) \ __tgmres = Fct##l (Val1, Val2); \ else if (sizeof (Val1) == sizeof (double) \ - || sizeof (Val2) == sizeof (double)) \ + || sizeof (Val2) == sizeof (double) \ + || __builtin_classify_type (Val) != 8) \ __tgmres = Fct (Val1, Val2); \ else \ __tgmres = Fct (Val1, Val2); \ __tgmres; })) # define __TGMATH_TERNARY_FIRST_SECOND_REAL_ONLY(Val1, Val2, Val3, Fct) \ - (__extension__ ({ __typeof__ ((Val1) + (Val2)) __tgmres; \ - if (sizeof (Val1) > sizeof (double) \ - || sizeof (Val2) > sizeof (double)) \ + (__extension__ ({ __tgmath_real_type ((Val1) + (Val2)) __tgmres; \ + if ((sizeof (Val1) > sizeof (double) \ + || sizeof (Val2) > sizeof (double)) \ + && __builtin_classify_type (Val) == 8) \ __tgmres = Fct##l (Val1, Val2, Val3); \ else if (sizeof (Val1) == sizeof (double) \ - || sizeof (Val2) == sizeof (double)) \ + || sizeof (Val2) == sizeof (double) \ + || __builtin_classify_type (Val) != 8) \ __tgmres = Fct (Val1, Val2, Val3); \ else \ __tgmres = Fct (Val1, Val2, Val3); \ __tgmres; })) # define __TGMATH_TERNARY_REAL_ONLY(Val1, Val2, Val3, Fct) \ - (__extension__ ({ __typeof__ ((Val1) + (Val2) + (Val3)) __tgmres; \ - if (sizeof (Val1) > sizeof (double) \ - || sizeof (Val2) > sizeof (double) \ - || sizeof (Val3) > sizeof (double)) \ + (__extension__ ({ __tgmath_real_type ((Val1) + (Val2) + (Val3)) __tgmres;\ + if ((sizeof (Val1) > sizeof (double) \ + || sizeof (Val2) > sizeof (double) \ + || sizeof (Val3) > sizeof (double)) \ + && __builtin_classify_type (Val) == 8) \ __tgmres = Fct##l (Val1, Val2, Val3); \ else if (sizeof (Val1) == sizeof (double) \ || sizeof (Val2) == sizeof (double) \ - || sizeof (Val3) == sizeof (double)) \ + || sizeof (Val3) == sizeof (double) \ + || __builtin_classify_type (Val) != 8) \ __tgmres = Fct (Val1, Val2, Val3); \ else \ __tgmres = Fct (Val1, Val2, Val3); \ @@ -100,15 +126,17 @@ /* XXX This definition has to be changed as soon as the compiler understands the imaginary keyword. */ # define __TGMATH_UNARY_REAL_IMAG(Val, Fct, Cfct) \ - (__extension__ ({ __typeof__ (Val) __tgmres; \ - if (sizeof (__real__ (Val)) > sizeof (double)) \ + (__extension__ ({ __tgmath_real_type (Val) __tgmres; \ + if (sizeof (__real__ (Val)) > sizeof (double) \ + && __builtin_classify_type (Val) == 8) \ { \ if (sizeof (__real__ (Val)) == sizeof (Val)) \ __tgmres = Fct##l (Val); \ else \ __tgmres = Cfct##l (Val); \ } \ - else if (sizeof (__real__ (Val)) == sizeof (double)) \ + else if (sizeof (__real__ (Val)) == sizeof (double) \ + || __builtin_classify_type (Val) != 8) \ { \ if (sizeof (__real__ (Val)) == sizeof (Val)) \ __tgmres = Fct (Val); \ @@ -127,8 +155,9 @@ /* XXX This definition has to be changed as soon as the compiler understands the imaginary keyword. */ # define __TGMATH_UNARY_IMAG_ONLY(Val, Fct) \ - (__extension__ ({ __typeof__ (Val) __tgmres; \ - if (sizeof (Val) == sizeof (__complex__ double)) \ + (__extension__ ({ __tgmath_real_type (Val) __tgmres; \ + if (sizeof (Val) == sizeof (__complex__ double) \ + || __builtin_classify_type (Val) != 8) \ __tgmres = Fct (Val); \ else if (sizeof (Val) == sizeof (__complex__ float)) \ __tgmres = Fct##f (Val); \ @@ -139,9 +168,10 @@ /* XXX This definition has to be changed as soon as the compiler understands the imaginary keyword. */ # define __TGMATH_BINARY_REAL_IMAG(Val1, Val2, Fct, Cfct) \ - (__extension__ ({ __typeof__ ((Val1) + (Val2)) __tgmres; \ - if (sizeof (__real__ (Val1)) > sizeof (double) \ - || sizeof (__real__ (Val2)) > sizeof (double)) \ + (__extension__ ({ __tgmath_real_type ((Val1) + (Val2)) __tgmres; \ + if ((sizeof (__real__ (Val1)) > sizeof (double) \ + || sizeof (__real__ (Val2)) > sizeof (double)) \ + && __builtin_classify_type (Val) == 8) \ { \ if (sizeof (__real__ (Val1)) == sizeof (Val1) \ && sizeof (__real__ (Val2)) == sizeof (Val2)) \ @@ -150,7 +180,8 @@ __tgmres = Cfct##l (Val1, Val2); \ } \ else if (sizeof (__real__ (Val1)) == sizeof (double) \ - || sizeof (__real__ (Val2)) == sizeof(double))\ + || sizeof (__real__ (Val2)) == sizeof(double) \ + || __builtin_classify_type (Val) != 8) \ { \ if (sizeof (__real__ (Val1)) == sizeof (Val1) \ && sizeof (__real__ (Val2)) == sizeof (Val2)) \ |