diff options
Diffstat (limited to 'configure.in')
| -rw-r--r-- | configure.in | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/configure.in b/configure.in index 8310f89523..90d2230f6b 100644 --- a/configure.in +++ b/configure.in @@ -249,11 +249,15 @@ darwin*) LIBS="-lobjc $LIBS";; human*) ac_cv_func_getpgrp_void=yes;; beos*) ;; cygwin*) rb_cv_have_daylight=no + rb_cv_need_io_flush_between_rw=no + rb_cv_need_io_flush_before_seek=no ac_cv_var_tzname=no ac_cv_func__setjmp=no ac_cv_func_setitimer=no ;; mingw*) LIBS="-lwsock32 -lmsvcrt $LIBS" + rb_cv_need_io_flush_between_rw=no + rb_cv_need_io_flush_before_seek=no ac_cv_header_a_out_h=no ac_cv_header_pwd_h=no ac_cv_header_utime_h=no @@ -569,6 +573,50 @@ else fi fi +AC_DEFUN(RUBY_CHECK_IO_NEED_FLUSH, +[AC_CACHE_CHECK(whether need to flush [$1], [$2], + [AC_TRY_RUN([ +#include <stdio.h> + +char *fn = "conftest.dat"; +char *wombat = "wombat\n"; +char *koara = "koara\n"; + +int main() +{ + char buf[BUFSIZ]; + FILE *f; + int r = 1; + + if (!(f = fopen(fn, "w+"))) return 1; + fputs(wombat, f); + fflush(f); + fseek(f, 0, 0); + if (!fgets(buf, BUFSIZ, f) || strcmp(buf, wombat)) goto fail; + ]ifelse(index($2,between_rw),-1,fflush(f);)[ + fputs(koara, f); + ]ifelse(index($2,before_seek),-1,fflush(f);)[ + fseek(f, 0, 0); + ]ifelse(index($2,between_rw),-1,fflush(f);)[ + if (!fgets(buf, BUFSIZ, f) || strcmp(buf, wombat)) goto fail; + if (!fgets(buf, BUFSIZ, f) || strcmp(buf, koara)) goto fail; + r = 0; + fail: + fclose(f); + unlink(fn); + return r; +} +], [$2]=no, [$2]=yes, [$2]=yes)])]) + +RUBY_CHECK_IO_NEED_FLUSH(between R/W, rb_cv_need_io_flush_between_rw) +RUBY_CHECK_IO_NEED_FLUSH(before seek, rb_cv_need_io_flush_before_seek) +if test "$rb_cv_need_io_flush_between_rw" = yes; then + AC_DEFINE(NEED_IO_FLUSH_BETWEEN_RW, 1) +fi +if test "$rb_cv_need_io_flush_before_seek" = yes; then + AC_DEFINE(NEED_IO_FLUSH_BEFORE_SEEK, 1) +fi + dnl default value for $KANJI DEFAULT_KCODE="KCODE_NONE" |