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authorunknown <brian@avenger.(none)>2004-12-04 11:00:33 -0800
committerunknown <brian@avenger.(none)>2004-12-04 11:00:33 -0800
commit623c733895dd490fce64ec864713279570ea37f3 (patch)
treec28536d2037e8f874d88dc7cf3a9d13e2c6c98f1 /config/ac-macros/large_file.m4
parent107ef617ac91856996a0989ccb6367f317e74872 (diff)
downloadmariadb-git-623c733895dd490fce64ec864713279570ea37f3.tar.gz
Fixing problem with case insitive file systems.
Would you believe that I wrote all of this on a Mac? I just happen to be not using HFS for the partition I did this work on. Oops :) config/ac-macros/alloca.m4: mvdir config/ac-macros/character_sets.m4: mvdir config/ac-macros/check_cpu.m4: mvdir config/ac-macros/compiler_flag.m4: mvdir config/ac-macros/ha_archive.m4: mvdir config/ac-macros/ha_berkeley.m4: mvdir config/ac-macros/ha_example.m4: mvdir config/ac-macros/ha_innodb.m4: mvdir config/ac-macros/ha_isam.m4: mvdir config/ac-macros/ha_ndbcluster.m4: mvdir config/ac-macros/ha_tina.m4: mvdir config/ac-macros/large_file.m4: mvdir config/ac-macros/misc.m4: mvdir config/ac-macros/mysqlfs.m4: mvdir config/ac-macros/openssl.m4: mvdir config/ac-macros/readline.m4: mvdir config/ac-macros/sanity.m4: mvdir config/ac-macros/zlib.m4: mvdir configure.in: Fix silly little problem with case insensitive filesystems. Funny thing is that I wrote all this on a Mac, but I don't use HFS on that partition so I never noticed that it would be an issue. Oops :)
Diffstat (limited to 'config/ac-macros/large_file.m4')
-rw-r--r--config/ac-macros/large_file.m4140
1 files changed, 140 insertions, 0 deletions
diff --git a/config/ac-macros/large_file.m4 b/config/ac-macros/large_file.m4
new file mode 100644
index 00000000000..00c2fdf614e
--- /dev/null
+++ b/config/ac-macros/large_file.m4
@@ -0,0 +1,140 @@
+
+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.
+dnl For more 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>.
+
+dnl Internal subroutine of AC_SYS_LARGEFILE.
+dnl AC_SYS_LARGEFILE_FLAGS(FLAGSNAME)
+AC_DEFUN([AC_SYS_LARGEFILE_FLAGS],
+ [AC_CACHE_CHECK([for $1 value to request large file support],
+ ac_cv_sys_largefile_$1,
+ [if ($GETCONF LFS_$1) >conftest.1 2>conftest.2 && test ! -s conftest.2
+ then
+ ac_cv_sys_largefile_$1=`cat conftest.1`
+ else
+ 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 "$GCC" = yes; then
+ case `$CC --version 2>/dev/null` in
+ 2.95.*) ac_cv_sys_largefile_CFLAGS=-D__STDC_EXT__ ;;
+ esac
+ 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]*)
+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"
+ fi])
+ fi
+ rm -f conftest*])])
+
+dnl Internal subroutine of AC_SYS_LARGEFILE.
+dnl AC_SYS_LARGEFILE_SPACE_APPEND(VAR, VAL)
+AC_DEFUN([AC_SYS_LARGEFILE_SPACE_APPEND],
+ [case $2 in
+ no) ;;
+ ?*)
+ case "[$]$1" in
+ '') $1=$2 ;;
+ *) $1=[$]$1' '$2 ;;
+ esac ;;
+ esac])
+
+dnl Internal subroutine of AC_SYS_LARGEFILE.
+dnl AC_SYS_LARGEFILE_MACRO_VALUE(C-MACRO, CACHE-VAR, COMMENT, CODE-TO-SET-DEFAULT)
+AC_DEFUN([AC_SYS_LARGEFILE_MACRO_VALUE],
+ [AC_CACHE_CHECK([for $1], $2,
+ [$2=no
+changequote(, )dnl
+ for ac_flag in $ac_cv_sys_largefile_CFLAGS no; do
+ case "$ac_flag" in
+ -D$1)
+ $2=1 ;;
+ -D$1=*)
+ $2=`expr " $ac_flag" : '[^=]*=\(.*\)'` ;;
+ esac
+ done
+ $4
+changequote([, ])dnl
+ ])
+ if test "[$]$2" != no; then
+ AC_DEFINE_UNQUOTED([$1], [$]$2, [$3])
+ fi])
+
+AC_DEFUN([MYSQL_SYS_LARGEFILE],
+ [AC_REQUIRE([AC_CANONICAL_HOST])
+ AC_ARG_ENABLE(largefile,
+ [ --disable-largefile Omit support for large files])
+ if test "$enable_largefile" != no; then
+ AC_CHECK_TOOL(GETCONF, getconf)
+ AC_SYS_LARGEFILE_FLAGS(CFLAGS)
+ AC_SYS_LARGEFILE_FLAGS(LDFLAGS)
+ AC_SYS_LARGEFILE_FLAGS(LIBS)
+
+ for ac_flag in $ac_cv_sys_largefile_CFLAGS no; do
+ case "$ac_flag" in
+ no) ;;
+ -D_FILE_OFFSET_BITS=*) ;;
+ -D_LARGEFILE_SOURCE | -D_LARGEFILE_SOURCE=*) ;;
+ -D_LARGE_FILES | -D_LARGE_FILES=*) ;;
+ -D?* | -I?*)
+ AC_SYS_LARGEFILE_SPACE_APPEND(CPPFLAGS, "$ac_flag") ;;
+ *)
+ AC_SYS_LARGEFILE_SPACE_APPEND(CFLAGS, "$ac_flag") ;;
+ esac
+ done
+ AC_SYS_LARGEFILE_SPACE_APPEND(LDFLAGS, "$ac_cv_sys_largefile_LDFLAGS")
+ AC_SYS_LARGEFILE_SPACE_APPEND(LIBS, "$ac_cv_sys_largefile_LIBS")
+
+ AC_SYS_LARGEFILE_MACRO_VALUE(_FILE_OFFSET_BITS,
+ ac_cv_sys_file_offset_bits,
+ [Number of bits in a file offset, on hosts where this is settable.],
+ [case "$host_os" in
+ # HP-UX 10.20 and later
+ hpux10.[2-9][0-9]* | hpux1[1-9]* | hpux[2-9][0-9]*)
+ ac_cv_sys_file_offset_bits=64 ;;
+ # We can't declare _FILE_OFFSET_BITS here as this will cause
+ # compile errors as AC_PROG_CC adds include files in confdefs.h
+ # We solve this (until autoconf is fixed) by instead declaring it
+ # as define instead
+ solaris2.[8,9])
+ CFLAGS="$CFLAGS -D_FILE_OFFSET_BITS=64"
+ CXXFLAGS="$CXXFLAGS -D_FILE_OFFSET_BITS=64"
+ ac_cv_sys_file_offset_bits=no ;;
+ esac])
+ AC_SYS_LARGEFILE_MACRO_VALUE(_LARGEFILE_SOURCE,
+ ac_cv_sys_largefile_source,
+ [makes fseeko etc. visible, on some hosts.],
+ [case "$host_os" in
+ # HP-UX 10.20 and later
+ hpux10.[2-9][0-9]* | hpux1[1-9]* | hpux[2-9][0-9]*)
+ ac_cv_sys_largefile_source=1 ;;
+ esac])
+ AC_SYS_LARGEFILE_MACRO_VALUE(_LARGE_FILES,
+ ac_cv_sys_large_files,
+ [Large files support on AIX-style hosts.],
+ [case "$host_os" in
+ # AIX 4.2 and later
+ aix4.[2-9]* | aix4.1[0-9]* | aix[5-9].* | aix[1-9][0-9]*)
+ ac_cv_sys_large_files=1 ;;
+ esac])
+ fi
+ ])
+