diff options
Diffstat (limited to 'm4/printf.m4')
| -rw-r--r-- | m4/printf.m4 | 230 |
1 files changed, 152 insertions, 78 deletions
diff --git a/m4/printf.m4 b/m4/printf.m4 index a44ac66..82f48bf 100644 --- a/m4/printf.m4 +++ b/m4/printf.m4 @@ -1,5 +1,5 @@ -# printf.m4 serial 52 -dnl Copyright (C) 2003, 2007-2017 Free Software Foundation, Inc. +# printf.m4 serial 58 +dnl Copyright (C) 2003, 2007-2018 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. @@ -58,10 +58,10 @@ int main () [gl_cv_func_printf_sizes_c99=yes], [gl_cv_func_printf_sizes_c99=no], [ -changequote(,)dnl case "$host_os" in +changequote(,)dnl # Guess yes on glibc systems. - *-gnu*) gl_cv_func_printf_sizes_c99="guessing yes";; + *-gnu* | gnu*) gl_cv_func_printf_sizes_c99="guessing yes";; # Guess yes on FreeBSD >= 5. freebsd[1-4].*) gl_cv_func_printf_sizes_c99="guessing no";; freebsd* | kfreebsd*) gl_cv_func_printf_sizes_c99="guessing yes";; @@ -79,10 +79,19 @@ changequote(,)dnl netbsd[1-2]* | netbsdelf[1-2]* | netbsdaout[1-2]* | netbsdcoff[1-2]*) gl_cv_func_printf_sizes_c99="guessing no";; netbsd*) gl_cv_func_printf_sizes_c99="guessing yes";; +changequote([,])dnl + # Guess yes on MSVC, no on mingw. + mingw*) AC_EGREP_CPP([Known], [ +#ifdef _MSC_VER + Known +#endif + ], + [gl_cv_func_printf_sizes_c99="guessing yes"], + [gl_cv_func_printf_sizes_c99="guessing no"]) + ;; # If we don't know, assume the worst. *) gl_cv_func_printf_sizes_c99="guessing no";; esac -changequote([,])dnl ]) ]) ]) @@ -122,14 +131,19 @@ int main () }]])], [gl_cv_func_printf_long_double=yes], [gl_cv_func_printf_long_double=no], - [ -changequote(,)dnl - case "$host_os" in - beos*) gl_cv_func_printf_long_double="guessing no";; - mingw* | pw*) gl_cv_func_printf_long_double="guessing no";; - *) gl_cv_func_printf_long_double="guessing yes";; + [case "$host_os" in + beos*) gl_cv_func_printf_long_double="guessing no";; + # Guess yes on MSVC, no on mingw. + mingw*) AC_EGREP_CPP([Known], [ +#ifdef _MSC_VER + Known +#endif + ], + [gl_cv_func_printf_long_double="guessing yes"], + [gl_cv_func_printf_long_double="guessing no"]) + ;; + *) gl_cv_func_printf_long_double="guessing yes";; esac -changequote([,])dnl ]) ]) ]) @@ -217,10 +231,10 @@ int main () [gl_cv_func_printf_infinite=yes], [gl_cv_func_printf_infinite=no], [ -changequote(,)dnl case "$host_os" in +changequote(,)dnl # Guess yes on glibc systems. - *-gnu*) gl_cv_func_printf_infinite="guessing yes";; + *-gnu* | gnu*) gl_cv_func_printf_infinite="guessing yes";; # Guess yes on FreeBSD >= 6. freebsd[1-5].*) gl_cv_func_printf_infinite="guessing no";; freebsd* | kfreebsd*) gl_cv_func_printf_infinite="guessing yes";; @@ -236,10 +250,19 @@ changequote(,)dnl netbsd*) gl_cv_func_printf_infinite="guessing yes";; # Guess yes on BeOS. beos*) gl_cv_func_printf_infinite="guessing yes";; +changequote([,])dnl + # Guess yes on MSVC, no on mingw. + mingw*) AC_EGREP_CPP([Known], [ +#ifdef _MSC_VER + Known +#endif + ], + [gl_cv_func_printf_infinite="guessing yes"], + [gl_cv_func_printf_infinite="guessing no"]) + ;; # If we don't know, assume the worst. *) gl_cv_func_printf_infinite="guessing no";; esac -changequote([,])dnl ]) ]) ]) @@ -419,27 +442,35 @@ int main () }]])], [gl_cv_func_printf_infinite_long_double=yes], [gl_cv_func_printf_infinite_long_double=no], - [ -changequote(,)dnl - case "$host_cpu" in + [case "$host_cpu" in # Guess no on ia64, x86_64, i386. ia64 | x86_64 | i*86) gl_cv_func_printf_infinite_long_double="guessing no";; *) case "$host_os" in +changequote(,)dnl # Guess yes on glibc systems. - *-gnu*) gl_cv_func_printf_infinite_long_double="guessing yes";; + *-gnu* | gnu*) gl_cv_func_printf_infinite_long_double="guessing yes";; # Guess yes on FreeBSD >= 6. freebsd[1-5].*) gl_cv_func_printf_infinite_long_double="guessing no";; freebsd* | kfreebsd*) gl_cv_func_printf_infinite_long_double="guessing yes";; # Guess yes on HP-UX >= 11. hpux[7-9]* | hpux10*) gl_cv_func_printf_infinite_long_double="guessing no";; hpux*) gl_cv_func_printf_infinite_long_double="guessing yes";; +changequote([,])dnl + # Guess yes on MSVC, no on mingw. + mingw*) AC_EGREP_CPP([Known], [ +#ifdef _MSC_VER + Known +#endif + ], + [gl_cv_func_printf_infinite_long_double="guessing yes"], + [gl_cv_func_printf_infinite_long_double="guessing no"]) + ;; # If we don't know, assume the worst. *) gl_cv_func_printf_infinite_long_double="guessing no";; esac ;; esac -changequote([,])dnl ]) ]) ;; @@ -489,8 +520,15 @@ int main () && strcmp (buf, "0x6.0ap-2 33") != 0 && strcmp (buf, "0xc.14p-3 33") != 0)) result |= 4; + /* This catches a Mac OS X 10.12.4 (Darwin 16.5) bug: it doesn't round. */ + if (sprintf (buf, "%.0a %d", 1.51, 33, 44, 55) < 0 + || (strcmp (buf, "0x2p+0 33") != 0 + && strcmp (buf, "0x3p-1 33") != 0 + && strcmp (buf, "0x6p-2 33") != 0 + && strcmp (buf, "0xcp-3 33") != 0)) + result |= 4; /* This catches a FreeBSD 6.1 bug. See - <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */ + <https://lists.gnu.org/r/bug-gnulib/2007-04/msg00107.html> */ if (sprintf (buf, "%010a %d", 1.0 / zero, 33, 44, 55) < 0 || buf[0] == '0') result |= 8; @@ -502,7 +540,7 @@ int main () && strcmp (buf, "0x8.0p-2") != 0)) result |= 16; /* This catches the same Mac OS X 10.3.9 (Darwin 7.9) bug and also a - glibc 2.4 bug <http://sourceware.org/bugzilla/show_bug.cgi?id=2908>. */ + glibc 2.4 bug <https://sourceware.org/bugzilla/show_bug.cgi?id=2908>. */ if (sprintf (buf, "%.1La", 1.999L) < 0 || (strcmp (buf, "0x1.0p+1") != 0 && strcmp (buf, "0x2.0p+0") != 0 @@ -516,7 +554,7 @@ int main () [ case "$host_os" in # Guess yes on glibc >= 2.5 systems. - *-gnu*) + *-gnu* | gnu*) AC_EGREP_CPP([BZ2908], [ #include <features.h> #ifdef __GNU_LIBRARY__ @@ -528,6 +566,8 @@ int main () [gl_cv_func_printf_directive_a="guessing yes"], [gl_cv_func_printf_directive_a="guessing no"]) ;; + # Guess no on native Windows. + mingw*) gl_cv_func_printf_directive_a="guessing no";; # If we don't know, assume the worst. *) gl_cv_func_printf_directive_a="guessing no";; esac @@ -570,10 +610,10 @@ int main () [gl_cv_func_printf_directive_f=yes], [gl_cv_func_printf_directive_f=no], [ -changequote(,)dnl case "$host_os" in +changequote(,)dnl # Guess yes on glibc systems. - *-gnu*) gl_cv_func_printf_directive_f="guessing yes";; + *-gnu* | gnu*) gl_cv_func_printf_directive_f="guessing yes";; # Guess yes on FreeBSD >= 6. freebsd[1-5].*) gl_cv_func_printf_directive_f="guessing no";; freebsd* | kfreebsd*) gl_cv_func_printf_directive_f="guessing yes";; @@ -581,12 +621,21 @@ changequote(,)dnl darwin[1-6].*) gl_cv_func_printf_directive_f="guessing no";; darwin*) gl_cv_func_printf_directive_f="guessing yes";; # Guess yes on Solaris >= 2.10. - solaris2.[1-9][0-9]*) gl_cv_func_printf_sizes_c99="guessing yes";; - solaris*) gl_cv_func_printf_sizes_c99="guessing no";; + solaris2.[1-9][0-9]*) gl_cv_func_printf_directive_f="guessing yes";; + solaris*) gl_cv_func_printf_directive_f="guessing no";; +changequote([,])dnl + # Guess yes on MSVC, no on mingw. + mingw*) AC_EGREP_CPP([Known], [ +#ifdef _MSC_VER + Known +#endif + ], + [gl_cv_func_printf_directive_f="guessing yes"], + [gl_cv_func_printf_directive_f="guessing no"]) + ;; # If we don't know, assume the worst. *) gl_cv_func_printf_directive_f="guessing no";; esac -changequote([,])dnl ]) ]) ]) @@ -638,13 +687,11 @@ int main () }]])], [gl_cv_func_printf_directive_n=yes], [gl_cv_func_printf_directive_n=no], - [ -changequote(,)dnl - case "$host_os" in + [case "$host_os" in + # Guess no on native Windows. mingw*) gl_cv_func_printf_directive_n="guessing no";; *) gl_cv_func_printf_directive_n="guessing yes";; esac -changequote([,])dnl ]) ]) ]) @@ -719,12 +766,14 @@ int main () [ changequote(,)dnl case "$host_os" in - openbsd*) gl_cv_func_printf_directive_ls="guessing no";; - irix*) gl_cv_func_printf_directive_ls="guessing no";; - solaris*) gl_cv_func_printf_directive_ls="guessing no";; - cygwin*) gl_cv_func_printf_directive_ls="guessing no";; - beos* | haiku*) gl_cv_func_printf_directive_ls="guessing no";; - *) gl_cv_func_printf_directive_ls="guessing yes";; + openbsd*) gl_cv_func_printf_directive_ls="guessing no";; + irix*) gl_cv_func_printf_directive_ls="guessing no";; + solaris*) gl_cv_func_printf_directive_ls="guessing no";; + cygwin*) gl_cv_func_printf_directive_ls="guessing no";; + beos* | haiku*) gl_cv_func_printf_directive_ls="guessing no";; + # Guess yes on native Windows. + mingw*) gl_cv_func_printf_directive_ls="guessing yes";; + *) gl_cv_func_printf_directive_ls="guessing yes";; esac changequote([,])dnl ]) @@ -763,6 +812,7 @@ changequote(,)dnl netbsd[1-3]* | netbsdelf[1-3]* | netbsdaout[1-3]* | netbsdcoff[1-3]*) gl_cv_func_printf_positions="guessing no";; beos*) gl_cv_func_printf_positions="guessing no";; + # Guess no on native Windows. mingw* | pw*) gl_cv_func_printf_positions="guessing no";; *) gl_cv_func_printf_positions="guessing yes";; esac @@ -801,6 +851,7 @@ changequote(,)dnl case "$host_os" in cygwin*) gl_cv_func_printf_flag_grouping="guessing no";; netbsd*) gl_cv_func_printf_flag_grouping="guessing no";; + # Guess no on native Windows. mingw* | pw*) gl_cv_func_printf_flag_grouping="guessing no";; *) gl_cv_func_printf_flag_grouping="guessing yes";; esac @@ -811,7 +862,7 @@ changequote([,])dnl dnl Test whether the *printf family of functions supports the - flag correctly. dnl (ISO C99.) See -dnl <http://lists.gnu.org/archive/html/bug-coreutils/2008-02/msg00035.html> +dnl <https://lists.gnu.org/r/bug-coreutils/2008-02/msg00035.html> dnl Result is gl_cv_func_printf_flag_leftadjust. AC_DEFUN([gl_PRINTF_FLAG_LEFTADJUST], @@ -843,6 +894,8 @@ changequote(,)dnl hpux11*) gl_cv_func_printf_flag_leftadjust="guessing yes";; # Guess no on HP-UX 10 and older. hpux*) gl_cv_func_printf_flag_leftadjust="guessing no";; + # Guess yes on native Windows. + mingw*) gl_cv_func_printf_flag_leftadjust="guessing yes";; # Guess yes otherwise. *) gl_cv_func_printf_flag_leftadjust="guessing yes";; esac @@ -853,7 +906,7 @@ changequote([,])dnl dnl Test whether the *printf family of functions supports padding of non-finite dnl values with the 0 flag correctly. (ISO C99 + TC1 + TC2.) See -dnl <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> +dnl <https://lists.gnu.org/r/bug-gnulib/2007-04/msg00107.html> dnl Result is gl_cv_func_printf_flag_zero. AC_DEFUN([gl_PRINTF_FLAG_ZERO], @@ -882,12 +935,14 @@ int main () [ changequote(,)dnl case "$host_os" in - # Guess yes on glibc systems. - *-gnu*) gl_cv_func_printf_flag_zero="guessing yes";; - # Guess yes on BeOS. - beos*) gl_cv_func_printf_flag_zero="guessing yes";; - # If we don't know, assume the worst. - *) gl_cv_func_printf_flag_zero="guessing no";; + # Guess yes on glibc systems. + *-gnu* | gnu*) gl_cv_func_printf_flag_zero="guessing yes";; + # Guess yes on BeOS. + beos*) gl_cv_func_printf_flag_zero="guessing yes";; + # Guess no on native Windows. + mingw*) gl_cv_func_printf_flag_zero="guessing no";; + # If we don't know, assume the worst. + *) gl_cv_func_printf_flag_zero="guessing no";; esac changequote([,])dnl ]) @@ -1040,28 +1095,28 @@ changequote([,])dnl if test "$gl_cv_func_printf_enomem" = "guessing no"; then changequote(,)dnl case "$host_os" in - # Guess yes on glibc systems. - *-gnu*) gl_cv_func_printf_enomem="guessing yes";; - # Guess yes on Solaris. - solaris*) gl_cv_func_printf_enomem="guessing yes";; - # Guess yes on AIX. - aix*) gl_cv_func_printf_enomem="guessing yes";; - # Guess yes on HP-UX/hppa. - hpux*) case "$host_cpu" in - hppa*) gl_cv_func_printf_enomem="guessing yes";; - *) gl_cv_func_printf_enomem="guessing no";; - esac - ;; - # Guess yes on IRIX. - irix*) gl_cv_func_printf_enomem="guessing yes";; - # Guess yes on OSF/1. - osf*) gl_cv_func_printf_enomem="guessing yes";; - # Guess yes on BeOS. - beos*) gl_cv_func_printf_enomem="guessing yes";; - # Guess yes on Haiku. - haiku*) gl_cv_func_printf_enomem="guessing yes";; - # If we don't know, assume the worst. - *) gl_cv_func_printf_enomem="guessing no";; + # Guess yes on glibc systems. + *-gnu* | gnu*) gl_cv_func_printf_enomem="guessing yes";; + # Guess yes on Solaris. + solaris*) gl_cv_func_printf_enomem="guessing yes";; + # Guess yes on AIX. + aix*) gl_cv_func_printf_enomem="guessing yes";; + # Guess yes on HP-UX/hppa. + hpux*) case "$host_cpu" in + hppa*) gl_cv_func_printf_enomem="guessing yes";; + *) gl_cv_func_printf_enomem="guessing no";; + esac + ;; + # Guess yes on IRIX. + irix*) gl_cv_func_printf_enomem="guessing yes";; + # Guess yes on OSF/1. + osf*) gl_cv_func_printf_enomem="guessing yes";; + # Guess yes on BeOS. + beos*) gl_cv_func_printf_enomem="guessing yes";; + # Guess yes on Haiku. + haiku*) gl_cv_func_printf_enomem="guessing yes";; + # If we don't know, assume the worst. + *) gl_cv_func_printf_enomem="guessing no";; esac changequote([,])dnl fi @@ -1121,7 +1176,7 @@ int main () changequote(,)dnl case "$host_os" in # Guess yes on glibc systems. - *-gnu*) gl_cv_func_snprintf_truncation_c99="guessing yes";; + *-gnu* | gnu*) gl_cv_func_snprintf_truncation_c99="guessing yes";; # Guess yes on FreeBSD >= 5. freebsd[1-4].*) gl_cv_func_snprintf_truncation_c99="guessing no";; freebsd* | kfreebsd*) gl_cv_func_snprintf_truncation_c99="guessing yes";; @@ -1153,6 +1208,8 @@ changequote(,)dnl netbsd*) gl_cv_func_snprintf_truncation_c99="guessing yes";; # Guess yes on BeOS. beos*) gl_cv_func_snprintf_truncation_c99="guessing yes";; + # Guess no on native Windows. + mingw*) gl_cv_func_snprintf_truncation_c99="guessing no";; # If we don't know, assume the worst. *) gl_cv_func_snprintf_truncation_c99="guessing no";; esac @@ -1216,11 +1273,10 @@ int main () }]])], [gl_cv_func_snprintf_retval_c99=yes], [gl_cv_func_snprintf_retval_c99=no], - [ + [case "$host_os" in changequote(,)dnl - case "$host_os" in # Guess yes on glibc systems. - *-gnu*) gl_cv_func_snprintf_retval_c99="guessing yes";; + *-gnu* | gnu*) gl_cv_func_snprintf_retval_c99="guessing yes";; # Guess yes on FreeBSD >= 5. freebsd[1-4].*) gl_cv_func_snprintf_retval_c99="guessing no";; freebsd* | kfreebsd*) gl_cv_func_snprintf_retval_c99="guessing yes";; @@ -1243,10 +1299,19 @@ changequote(,)dnl netbsd*) gl_cv_func_snprintf_retval_c99="guessing yes";; # Guess yes on BeOS. beos*) gl_cv_func_snprintf_retval_c99="guessing yes";; +changequote([,])dnl + # Guess yes on MSVC, no on mingw. + mingw*) AC_EGREP_CPP([Known], [ +#ifdef _MSC_VER + Known +#endif + ], + [gl_cv_func_snprintf_retval_c99="guessing yes"], + [gl_cv_func_snprintf_retval_c99="guessing no"]) + ;; # If we don't know, assume the worst. *) gl_cv_func_snprintf_retval_c99="guessing no";; esac -changequote([,])dnl ]) ]) ]) @@ -1301,7 +1366,7 @@ int main () changequote(,)dnl case "$host_os" in # Guess yes on glibc systems. - *-gnu*) gl_cv_func_snprintf_directive_n="guessing yes";; + *-gnu* | gnu*) gl_cv_func_snprintf_directive_n="guessing yes";; # Guess yes on FreeBSD >= 5. freebsd[1-4].*) gl_cv_func_snprintf_directive_n="guessing no";; freebsd* | kfreebsd*) gl_cv_func_snprintf_directive_n="guessing yes";; @@ -1326,6 +1391,8 @@ changequote(,)dnl netbsd*) gl_cv_func_snprintf_directive_n="guessing yes";; # Guess yes on BeOS. beos*) gl_cv_func_snprintf_directive_n="guessing yes";; + # Guess no on native Windows. + mingw*) gl_cv_func_snprintf_directive_n="guessing no";; # If we don't know, assume the worst. *) gl_cv_func_snprintf_directive_n="guessing no";; esac @@ -1342,6 +1409,7 @@ dnl Result is gl_cv_func_snprintf_size1. AC_DEFUN([gl_SNPRINTF_SIZE1], [ AC_REQUIRE([AC_PROG_CC]) + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles AC_REQUIRE([gl_SNPRINTF_PRESENCE]) AC_CACHE_CHECK([whether snprintf respects a size of 1], [gl_cv_func_snprintf_size1], @@ -1371,7 +1439,12 @@ int main() }]])], [gl_cv_func_snprintf_size1=yes], [gl_cv_func_snprintf_size1=no], - [gl_cv_func_snprintf_size1="guessing yes"]) + [case "$host_os" in + # Guess yes on native Windows. + mingw*) gl_cv_func_snprintf_size1="guessing yes" ;; + *) gl_cv_func_snprintf_size1="guessing yes" ;; + esac + ]) ]) ]) @@ -1443,7 +1516,7 @@ int main() changequote(,)dnl case "$host_os" in # Guess yes on glibc systems. - *-gnu*) gl_cv_func_vsnprintf_zerosize_c99="guessing yes";; + *-gnu* | gnu*) gl_cv_func_vsnprintf_zerosize_c99="guessing yes";; # Guess yes on FreeBSD >= 5. freebsd[1-4].*) gl_cv_func_vsnprintf_zerosize_c99="guessing no";; freebsd* | kfreebsd*) gl_cv_func_vsnprintf_zerosize_c99="guessing yes";; @@ -1467,7 +1540,7 @@ changequote(,)dnl netbsd*) gl_cv_func_vsnprintf_zerosize_c99="guessing yes";; # Guess yes on BeOS. beos*) gl_cv_func_vsnprintf_zerosize_c99="guessing yes";; - # Guess yes on mingw. + # Guess yes on native Windows. mingw* | pw*) gl_cv_func_vsnprintf_zerosize_c99="guessing yes";; # If we don't know, assume the worst. *) gl_cv_func_vsnprintf_zerosize_c99="guessing no";; @@ -1533,7 +1606,8 @@ dnl OpenBSD 3.9, 4.0 . . # # # # . # . # . # . # . dnl Cygwin 1.7.0 (2009) . . . # . . . ? . . . . . ? . . . . . . dnl Cygwin 1.5.25 (2008) . . . # # . . # . . . . . # . . . . . . dnl Cygwin 1.5.19 (2006) # . . # # # . # . # . # # # . . . . . . -dnl Solaris 11 2011-11 . . # # # . . # . . . # . . . . . . . . +dnl Solaris 11.3 . . . . # . . # . . . . . . . . . . . . +dnl Solaris 11.0 . . # # # . . # . . . # . . . . . . . . dnl Solaris 10 . . # # # . . # . . . # # . . . . . . . dnl Solaris 2.6 ... 9 # . # # # # . # . . . # # . . . # . . . dnl Solaris 2.5.1 # . # # # # . # . . . # . . # # # # # # |