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authorJim Meyering <jim@meyering.net>1997-11-08 20:42:52 +0000
committerJim Meyering <jim@meyering.net>1997-11-08 20:42:52 +0000
commit6af4f825de96e3aa0aa2beb2d50d9ec41b543681 (patch)
treec2fa87f5ad2a7b673a0319541156c3b354ea0071 /m4
parent9ef77c1298b73667293c91bfc7c39304eff6bfdc (diff)
downloadcoreutils-6af4f825de96e3aa0aa2beb2d50d9ec41b543681.tar.xz
.
Diffstat (limited to 'm4')
-rw-r--r--m4/lfs.m444
1 files changed, 44 insertions, 0 deletions
diff --git a/m4/lfs.m4 b/m4/lfs.m4
new file mode 100644
index 000000000..8de343b25
--- /dev/null
+++ b/m4/lfs.m4
@@ -0,0 +1,44 @@
+#serial 1
+
+dnl The problem is that the default compilation flags in Solaris 2.6 won't
+dnl let programs access large files; you need to tell the compiler that
+dnl you actually want your programs to work on large files. For more
+dnl details about this brain damage please see:
+dnl http://www.sas.com/standards/large.file/x_open.20Mar96.html
+
+dnl Written by Paul Eggert <eggert@twinsun.com>.
+
+AC_DEFUN(AC_LFS,
+[dnl
+ # If available, prefer support for large files unless the user specified
+ # one of the CPPFLAGS, LDFLAGS, or LIBS variables.
+ AC_MSG_CHECKING(whether large file support needs explicit enabling)
+ ac_getconfs=''
+ ac_result=yes
+ ac_set=''
+ ac_shellvars='CPPFLAGS LDFLAGS LIBS'
+ for ac_shellvar in $ac_shellvars; do
+ case $ac_shellvar in
+ CPPFLAGS) ac_lfsvar=LFS_CFLAGS ;;
+ *) ac_lfsvar=LFS_$ac_shellvar ;;
+ esac
+ eval test '"${'$ac_shellvar'+set}"' = set && ac_set=$ac_shellvar
+ (getconf $ac_lfsvar) >/dev/null 2>&1 || { ac_result=no; break; }
+ ac_getconf=`getconf $ac_lfsvar`
+ ac_getconfs=$ac_getconfs$ac_getconf
+ eval ac_test_$ac_shellvar=\$ac_getconf
+ done
+ case "$ac_result$ac_getconfs" in
+ yes) ac_result=no ;;
+ esac
+ case "$ac_result$ac_set" in
+ yes?*) ac_result="yes, but $ac_set is already set, so use its settings"
+ esac
+ AC_MSG_RESULT($ac_result)
+ case $ac_result in
+ yes)
+ for ac_shellvar in $ac_shellvars; do
+ eval $ac_shellvar=\$ac_test_$ac_shellvar
+ done ;;
+ esac
+])