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-rw-r--r--lib/c++defs.h4
-rw-r--r--lib/cdefs.h2
-rw-r--r--lib/count-leading-zeros.h3
-rw-r--r--lib/count-trailing-zeros.h3
-rw-r--r--lib/gnulib.mk.in13
-rw-r--r--m4/alloca.m414
-rw-r--r--m4/gnulib-common.m46
-rw-r--r--m4/gnulib-comp.m42
-rw-r--r--m4/largefile.m42
-rw-r--r--m4/libgmp.m488
10 files changed, 78 insertions, 59 deletions
diff --git a/lib/c++defs.h b/lib/c++defs.h
index 3e6aaabc9ce..182c2b3a88d 100644
--- a/lib/c++defs.h
+++ b/lib/c++defs.h
@@ -268,7 +268,7 @@
_GL_CXXALIASWARN_2 (func, namespace)
/* To work around GCC bug <https://gcc.gnu.org/bugzilla/show_bug.cgi?id=43881>,
we enable the warning only when not optimizing. */
-# if !__OPTIMIZE__
+# if !(defined __GNUC__ && !defined __clang__ && __OPTIMIZE__)
# define _GL_CXXALIASWARN_2(func,namespace) \
_GL_WARN_ON_USE (func, \
"The symbol ::" #func " refers to the system function. " \
@@ -296,7 +296,7 @@
_GL_CXXALIASWARN1_2 (func, rettype, parameters_and_attributes, namespace)
/* To work around GCC bug <https://gcc.gnu.org/bugzilla/show_bug.cgi?id=43881>,
we enable the warning only when not optimizing. */
-# if !__OPTIMIZE__
+# if !(defined __GNUC__ && !defined __clang__ && __OPTIMIZE__)
# define _GL_CXXALIASWARN1_2(func,rettype,parameters_and_attributes,namespace) \
_GL_WARN_ON_USE_CXX (func, rettype, parameters_and_attributes, \
"The symbol ::" #func " refers to the system function. " \
diff --git a/lib/cdefs.h b/lib/cdefs.h
index d8e4a000333..f6c447ad377 100644
--- a/lib/cdefs.h
+++ b/lib/cdefs.h
@@ -401,7 +401,7 @@
# endif
#endif
-#if __GNUC__ >= 3
+#if (__GNUC__ >= 3) || (__clang_major__ >= 4)
# define __glibc_unlikely(cond) __builtin_expect ((cond), 0)
# define __glibc_likely(cond) __builtin_expect ((cond), 1)
#else
diff --git a/lib/count-leading-zeros.h b/lib/count-leading-zeros.h
index 7e88c8cb9d0..7cf605a5f64 100644
--- a/lib/count-leading-zeros.h
+++ b/lib/count-leading-zeros.h
@@ -38,7 +38,8 @@ extern "C" {
expand to code that computes the number of leading zeros of the local
variable 'x' of type TYPE (an unsigned integer type) and return it
from the current function. */
-#if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4)
+#if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4) \
+ || (__clang_major__ >= 4)
# define COUNT_LEADING_ZEROS(BUILTIN, MSC_BUILTIN, TYPE) \
return x ? BUILTIN (x) : CHAR_BIT * sizeof x;
#elif _MSC_VER
diff --git a/lib/count-trailing-zeros.h b/lib/count-trailing-zeros.h
index 1eb5fb919f4..727b21dcc56 100644
--- a/lib/count-trailing-zeros.h
+++ b/lib/count-trailing-zeros.h
@@ -38,7 +38,8 @@ extern "C" {
expand to code that computes the number of trailing zeros of the local
variable 'x' of type TYPE (an unsigned integer type) and return it
from the current function. */
-#if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4)
+#if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4) \
+ || (__clang_major__ >= 4)
# define COUNT_TRAILING_ZEROS(BUILTIN, MSC_BUILTIN, TYPE) \
return x ? BUILTIN (x) : CHAR_BIT * sizeof x;
#elif _MSC_VER
diff --git a/lib/gnulib.mk.in b/lib/gnulib.mk.in
index 4dc180d2e33..92d0621c61a 100644
--- a/lib/gnulib.mk.in
+++ b/lib/gnulib.mk.in
@@ -246,9 +246,10 @@ GL_GENERATE_ALLOCA_H = @GL_GENERATE_ALLOCA_H@
GL_GENERATE_BYTESWAP_H = @GL_GENERATE_BYTESWAP_H@
GL_GENERATE_ERRNO_H = @GL_GENERATE_ERRNO_H@
GL_GENERATE_EXECINFO_H = @GL_GENERATE_EXECINFO_H@
-GL_GENERATE_GMP_H = @GL_GENERATE_GMP_H@
+GL_GENERATE_GMP_GMP_H = @GL_GENERATE_GMP_GMP_H@
GL_GENERATE_IEEE754_H = @GL_GENERATE_IEEE754_H@
GL_GENERATE_LIMITS_H = @GL_GENERATE_LIMITS_H@
+GL_GENERATE_MINI_GMP_H = @GL_GENERATE_MINI_GMP_H@
GL_GENERATE_STDALIGN_H = @GL_GENERATE_STDALIGN_H@
GL_GENERATE_STDDEF_H = @GL_GENERATE_STDDEF_H@
GL_GENERATE_STDINT_H = @GL_GENERATE_STDINT_H@
@@ -1085,7 +1086,6 @@ gamedir = @gamedir@
gamegroup = @gamegroup@
gameuser = @gameuser@
gl_GNULIB_ENABLED_03e0aaad4cb89ca757653bd367a6ccb7 = @gl_GNULIB_ENABLED_03e0aaad4cb89ca757653bd367a6ccb7@
-gl_GNULIB_ENABLED_2049e887c7e5308faad27b3f894bb8c9 = @gl_GNULIB_ENABLED_2049e887c7e5308faad27b3f894bb8c9@
gl_GNULIB_ENABLED_260941c0e5dc67ec9e87d1fb321c300b = @gl_GNULIB_ENABLED_260941c0e5dc67ec9e87d1fb321c300b@
gl_GNULIB_ENABLED_5264294aa0a5557541b53c8c741f7f31 = @gl_GNULIB_ENABLED_5264294aa0a5557541b53c8c741f7f31@
gl_GNULIB_ENABLED_6099e9737f757db36c47fa9d9f02e88c = @gl_GNULIB_ENABLED_6099e9737f757db36c47fa9d9f02e88c@
@@ -2021,15 +2021,22 @@ ifeq (,$(OMIT_GNULIB_MODULE_libgmp))
BUILT_SOURCES += $(GMP_H)
+ifneq (,$(GL_GENERATE_MINI_GMP_H))
# Build gmp.h as a wrapper for mini-gmp.h when using mini-gmp.
-ifneq (,$(GL_GENERATE_GMP_H))
gmp.h: $(top_builddir)/config.status
echo '#include "mini-gmp.h"' >$@-t
mv $@-t $@
else
+ifneq (,$(GL_GENERATE_GMP_GMP_H))
+# Build gmp.h as a wrapper for gmp/gmp.h.
+gmp.h: $(top_builddir)/config.status
+ echo '#include <gmp/gmp.h>' >$@-t
+ mv $@-t $@
+else
gmp.h: $(top_builddir)/config.status
rm -f $@
endif
+endif
MOSTLYCLEANFILES += gmp.h gmp.h-t
EXTRA_DIST += mini-gmp-gnulib.c mini-gmp.c mini-gmp.h
diff --git a/m4/alloca.m4 b/m4/alloca.m4
index d3e98c51bf4..b777f8450ce 100644
--- a/m4/alloca.m4
+++ b/m4/alloca.m4
@@ -1,4 +1,4 @@
-# alloca.m4 serial 16
+# alloca.m4 serial 17
dnl Copyright (C) 2002-2004, 2006-2007, 2009-2020 Free Software Foundation,
dnl Inc.
dnl This file is free software; the Free Software Foundation
@@ -50,10 +50,13 @@ AC_DEFUN([gl_FUNC_ALLOCA],
# STACK_DIRECTION is already handled by AC_FUNC_ALLOCA.
AC_DEFUN([gl_PREREQ_ALLOCA], [:])
-# This works around a bug in autoconf <= 2.68.
-# See <https://lists.gnu.org/r/bug-gnulib/2011-06/msg00277.html> and
-# <https://git.savannah.gnu.org/gitweb/?p=autoconf.git;a=commitdiff;h=6cd9f12520b0d6f76d3230d7565feba1ecf29497>.
-# Also it has a simplification that is not yet in Autoconf.
+m4_version_prereq([2.70], [], [
+
+# This works around a bug in autoconf <= 2.68 and has simplifications
+# from 2.70. See:
+# https://lists.gnu.org/r/bug-gnulib/2011-06/msg00277.html
+# https://git.savannah.gnu.org/cgit/autoconf.git/commit/?id=6cd9f12520b0d6f76d3230d7565feba1ecf29497
+# https://git.savannah.gnu.org/cgit/autoconf.git/commit/?id=15edf7fd8094fd14a89d9891dd72a9624762597a
# _AC_LIBOBJ_ALLOCA
# -----------------
@@ -102,3 +105,4 @@ AH_VERBATIM([STACK_DIRECTION],
@%:@undef STACK_DIRECTION])dnl
AC_DEFINE_UNQUOTED(STACK_DIRECTION, $ac_cv_c_stack_direction)
])
+])
diff --git a/m4/gnulib-common.m4 b/m4/gnulib-common.m4
index 57f3a780118..50acc0a474b 100644
--- a/m4/gnulib-common.m4
+++ b/m4/gnulib-common.m4
@@ -1,4 +1,4 @@
-# gnulib-common.m4 serial 52
+# gnulib-common.m4 serial 53
dnl Copyright (C) 2007-2020 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
@@ -300,7 +300,9 @@ AC_DEFUN([gl_COMMON_BODY], [
#define _GL_ASYNC_SAFE
])
AH_VERBATIM([micro_optimizations],
-[/* _GL_CMP (n1, n2) performs a three-valued comparison on n1 vs. n2.
+[/* _GL_CMP (n1, n2) performs a three-valued comparison on n1 vs. n2, where
+ n1 and n2 are expressions without side effects, that evaluate to real
+ numbers (excluding NaN).
It returns
1 if n1 > n2
0 if n1 == n2
diff --git a/m4/gnulib-comp.m4 b/m4/gnulib-comp.m4
index 4472af81b70..5bfa1473edd 100644
--- a/m4/gnulib-comp.m4
+++ b/m4/gnulib-comp.m4
@@ -346,7 +346,7 @@ AC_DEFUN([gl_INIT],
AC_REQUIRE([gl_LARGEFILE])
gl___INLINE
gl_LIBGMP
- if test -n "$GMP_H"; then
+ if test $HAVE_LIBGMP != yes; then
AC_LIBOBJ([mini-gmp-gnulib])
fi
gl_LIMITS_H
diff --git a/m4/largefile.m4 b/m4/largefile.m4
index 8017ca70eb4..f7140dd0a3a 100644
--- a/m4/largefile.m4
+++ b/m4/largefile.m4
@@ -35,7 +35,7 @@ m4_define([_AC_SYS_LARGEFILE_TEST_INCLUDES],
We can't simply define LARGE_OFF_T to be 9223372036854775807,
since some C++ compilers masquerading as C compilers
incorrectly reject 9223372036854775807. */
-@%:@define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62))
+@%:@define LARGE_OFF_T (((off_t) 1 << 31 << 31) - 1 + ((off_t) 1 << 31 << 31))
int off_t_is_large[[(LARGE_OFF_T % 2147483629 == 721
&& LARGE_OFF_T % 2147483647 == 1)
? 1 : -1]];[]dnl
diff --git a/m4/libgmp.m4 b/m4/libgmp.m4
index 82c065e2c2c..1025f06a775 100644
--- a/m4/libgmp.m4
+++ b/m4/libgmp.m4
@@ -1,4 +1,4 @@
-# libgmp.m4 serial 4
+# libgmp.m4 serial 5
# Configure the GMP library or a replacement.
dnl Copyright 2020 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
@@ -18,50 +18,54 @@ AC_DEFUN([gl_LIBGMP],
[AS_HELP_STRING([--without-libgmp],
[do not use the GNU Multiple Precision (GMP) library;
this is the default on systems lacking libgmp.])])
- case "$with_libgmp" in
- no)
- HAVE_LIBGMP=no
- LIBGMP=
- LTLIBGMP=
- ;;
- *)
- dnl Prefer AC_LIB_HAVE_LINKFLAGS if the havelib module is also in use.
- m4_ifdef([gl_HAVE_MODULE_HAVELIB],
- [AC_LIB_HAVE_LINKFLAGS([gmp], [],
- [#include <gmp.h>],
- [static const mp_limb_t x[2] = { 0x73, 0x55 };
- mpz_t tmp;
- mpz_roinit_n (tmp, x, 2);
- ],
- [no])],
- [gl_saved_LIBS=$LIBS
- AC_SEARCH_LIBS([__gmpz_roinit_n], [gmp])
- LIBS=$gl_saved_LIBS
- case $ac_cv_search___gmpz_roinit_n in
- 'none needed')
- HAVE_LIBGMP=yes LIBGMP=;;
- -*)
- HAVE_LIBGMP=yes LIBGMP=$ac_cv_search___gmpz_roinit_n;;
- *)
- HAVE_LIBGMP=no LIBGMP=;;
- esac
- LTLIBGMP=$LIBGMP
- AC_SUBST([HAVE_LIBGMP])
- AC_SUBST([LIBGMP])
- AC_SUBST([LTLIBGMP])])
- if test "$with_libgmp,$HAVE_LIBGMP" = yes,no; then
- AC_MSG_ERROR(
- [GMP not found, although --with-libgmp was specified.m4_ifdef(
- [AC_LIB_HAVE_LINKFLAGS],
- [ Try specifying --with-libgmp-prefix=DIR.])])
- fi
- ;;
- esac
- if test $HAVE_LIBGMP = yes; then
+ HAVE_LIBGMP=no
+ LIBGMP=
+ LTLIBGMP=
+ AS_IF([test "$with_libgmp" != no],
+ [AC_CHECK_HEADERS([gmp.h gmp/gmp.h], [break])
+ dnl Prefer AC_LIB_HAVE_LINKFLAGS if the havelib module is also in use.
+ AS_IF([test "$ac_cv_header_gmp_h" = yes ||
+ test "$ac_cv_header_gmp_gmp_h" = yes],
+ [m4_ifdef([gl_HAVE_MODULE_HAVELIB],
+ [AC_LIB_HAVE_LINKFLAGS([gmp], [],
+ [#if HAVE_GMP_H
+ # include <gmp.h>
+ #else
+ # include <gmp/gmp.h>
+ #endif],
+ [static const mp_limb_t x[2] = { 0x73, 0x55 };
+ mpz_t tmp;
+ mpz_roinit_n (tmp, x, 2);
+ ],
+ [no])],
+ [gl_saved_LIBS=$LIBS
+ AC_SEARCH_LIBS([__gmpz_roinit_n], [gmp])
+ LIBS=$gl_saved_LIBS
+ case $ac_cv_search___gmpz_roinit_n in
+ 'none needed')
+ HAVE_LIBGMP=yes;;
+ -*)
+ HAVE_LIBGMP=yes
+ LIBGMP=$ac_cv_search___gmpz_roinit_n
+ LTLIBGMP=$LIBGMP;;
+ esac
+ AC_SUBST([HAVE_LIBGMP])
+ AC_SUBST([LIBGMP])
+ AC_SUBST([LTLIBGMP])])])
+ if test "$with_libgmp,$HAVE_LIBGMP" = yes,no; then
+ AC_MSG_ERROR(
+ [GMP not found, although --with-libgmp was specified.m4_ifdef(
+ [AC_LIB_HAVE_LINKFLAGS],
+ [ Try specifying --with-libgmp-prefix=DIR.])])
+ fi])
+ if test $HAVE_LIBGMP = yes && test "$ac_cv_header_gmp_h" = yes; then
GMP_H=
else
GMP_H=gmp.h
fi
AC_SUBST([GMP_H])
- AM_CONDITIONAL([GL_GENERATE_GMP_H], [test -n "$GMP_H"])
+ AM_CONDITIONAL([GL_GENERATE_MINI_GMP_H],
+ [test $HAVE_LIBGMP != yes])
+ AM_CONDITIONAL([GL_GENERATE_GMP_GMP_H],
+ [test $HAVE_LIBGMP = yes && test "$ac_cv_header_gmp_h" != yes])
])