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(AC_SYS_LARGEFILE_FLAGS): Work around GCC 2.95.1 bug with HP-UX 10.20.

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This commit is contained in:
Jim Meyering 1999-09-29 14:44:31 +00:00
parent ea0df9b67d
commit d5c47e9163
1 changed files with 12 additions and 2 deletions
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14
m4/largefile.m4
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@ -1,4 +1,4 @@
#serial 5
#serial 6
dnl By default, many hosts won't let programs access large files;
dnl one must use special compiler options to get large-file access to work.
@ -16,6 +16,14 @@ AC_DEFUN(AC_SYS_LARGEFILE_FLAGS,
ac_cv_sys_largefile_$1=no
ifelse($1, CFLAGS,
[case "$host_os" in
# HP-UX 10.20 requires -D__STDC_EXT__ with gcc 2.95.1.
changequote(, )dnl
hpux10.[2-9][0-9]* | hpux1[1-9]* | hpux[2-9][0-9]*)
changequote([, ])dnl
if test "$GCC" = yes; then
ac_cv_sys_largefile_CFLAGS=-D__STDC_EXT__
fi
;;
# IRIX 6.2 and later require cc -n32.
changequote(, )dnl
irix6.[2-9]* | irix6.1[0-9]* | irix[7-9].* | irix[1-9][0-9]*)
@ -23,11 +31,13 @@ changequote([, ])dnl
if test "$GCC" != yes; then
ac_cv_sys_largefile_CFLAGS=-n32
fi
esac
if test "$ac_cv_sys_largefile_CFLAGS" != no; then
ac_save_CC="$CC"
CC="$CC $ac_cv_sys_largefile_CFLAGS"
AC_TRY_LINK(, , , ac_cv_sys_largefile_CFLAGS=no)
CC="$ac_save_CC"
esac])
fi])
}])])
dnl Internal subroutine of AC_SYS_LARGEFILE.