diff options
Diffstat (limited to 'configure.in')
| -rw-r--r-- | configure.in | 97 |
1 files changed, 16 insertions, 81 deletions
diff --git a/configure.in b/configure.in index 840c5a0a2b..2b5336818b 100644 --- a/configure.in +++ b/configure.in @@ -1,5 +1,5 @@ dnl Process this file with autoconf to produce a configure script. -dnl $Header: /cvsroot/pgsql/configure.in,v 1.233 2003/01/25 05:19:45 tgl Exp $ +dnl $Header: /cvsroot/pgsql/configure.in,v 1.234 2003/01/28 21:57:11 petere Exp $ dnl dnl Developers, please strive to achieve this order: dnl @@ -970,90 +970,25 @@ long long int foo = INT64CONST(0x1234567890123456); fi -dnl If we found "long int" is 64 bits, assume snprintf handles it. -dnl If we found we need to use "long long int", better check. -dnl We cope with snprintfs that use either %lld or %qd as the format. -dnl If neither works, fall back to our own snprintf emulation (which we -dnl know uses %lld). +# If we found "long int" is 64 bits, assume snprintf handles it. If +# we found we need to use "long long int", better check. We cope with +# snprintfs that use either %lld, %qd, or %I64d as the format. If +# neither works, fall back to our own snprintf emulation (which we +# know uses %lld). -if test x"$HAVE_LONG_LONG_INT_64" = xyes ; then +if test "$HAVE_LONG_LONG_INT_64" = yes ; then if test $pgac_need_repl_snprintf = no; then - AC_MSG_CHECKING(whether snprintf handles 'long long int' as %lld) - AC_TRY_RUN([#include <stdio.h> -typedef long long int int64; -#define INT64_FORMAT "%lld" - -int64 a = 20000001; -int64 b = 40000005; - -int does_int64_snprintf_work() -{ - int64 c; - char buf[100]; - - if (sizeof(int64) != 8) - return 0; /* doesn't look like the right size */ - - c = a * b; - snprintf(buf, 100, INT64_FORMAT, c); - if (strcmp(buf, "800000140000005") != 0) - return 0; /* either multiply or snprintf is busted */ - return 1; -} -main() { - exit(! does_int64_snprintf_work()); -}], - [ AC_MSG_RESULT(yes) - INT64_FORMAT='"%lld"' - ], - [ AC_MSG_RESULT(no) - AC_MSG_CHECKING(whether snprintf handles 'long long int' as %qd) - AC_TRY_RUN([#include <stdio.h> -typedef long long int int64; -#define INT64_FORMAT "%qd" - -int64 a = 20000001; -int64 b = 40000005; - -int does_int64_snprintf_work() -{ - int64 c; - char buf[100]; - - if (sizeof(int64) != 8) - return 0; /* doesn't look like the right size */ - - c = a * b; - snprintf(buf, 100, INT64_FORMAT, c); - if (strcmp(buf, "800000140000005") != 0) - return 0; /* either multiply or snprintf is busted */ - return 1; -} -main() { - exit(! does_int64_snprintf_work()); -}], - [ AC_MSG_RESULT(yes) - INT64_FORMAT='"%qd"' - ], - [ AC_MSG_RESULT(no) - # Force usage of our own snprintf, since system snprintf is broken - pgac_need_repl_snprintf=yes - INT64_FORMAT='"%lld"' - ], - [ AC_MSG_RESULT([cannot test (not on host machine)]) - # Force usage of our own snprintf, since we cannot test foreign snprintf - pgac_need_repl_snprintf=yes - INT64_FORMAT='"%lld"' - ]) ], - [ AC_MSG_RESULT([cannot test (not on host machine)]) - # Force usage of our own snprintf, since we cannot test foreign snprintf - pgac_need_repl_snprintf=yes - INT64_FORMAT='"%lld"' - ]) + PGAC_FUNC_SNPRINTF_LONG_LONG_INT_FORMAT + if test "$LONG_LONG_INT_FORMAT" = ""; then + # Force usage of our own snprintf, since system snprintf is broken + pgac_need_repl_snprintf=yes + LONG_LONG_INT_FORMAT='%lld' + fi else - # here if we previously decided we needed to use our own snprintf - INT64_FORMAT='"%lld"' + # Here if we previously decided we needed to use our own snprintf + LONG_LONG_INT_FORMAT='%lld' fi + INT64_FORMAT="\"$LONG_LONG_INT_FORMAT\"" else # Here if we are not using 'long long int' at all INT64_FORMAT='"%ld"' |