diff options
author | Eelco Dolstra <e.dolstra@tudelft.nl> | 2009-01-12T16·30+0000 |
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committer | Eelco Dolstra <e.dolstra@tudelft.nl> | 2009-01-12T16·30+0000 |
commit | c504d90c1159bd0fadd37bb3098ecf8622d0b13c (patch) | |
tree | 0c087a0e0d281afae7dbb79910fdc669516b73f2 /configure.ac | |
parent | 8e39d9bdb30cbe2e7c3f7d9b30ac64c3a2e32684 (diff) |
* Support i686-linux builds directly on x86_64-linux Nix
installations. This is implemented using the personality() syscall, which causes uname to return "i686" in child processes.
Diffstat (limited to 'configure.ac')
-rw-r--r-- | configure.ac | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/configure.ac b/configure.ac index fdf898640a8b..44c22c19b050 100644 --- a/configure.ac +++ b/configure.ac @@ -100,12 +100,17 @@ AC_CHECK_HEADERS([sys/mount.h], [], [], ]) -# Check for <locale> +# Check for <locale>. AC_LANG_PUSH(C++) AC_CHECK_HEADERS([locale], [], [], []) AC_LANG_POP(C++) +# Check whether we have the personality() syscall, which allows us to +# do i686-linux builds on x86_64-linux machines. +AC_CHECK_HEADERS([sys/personality.h]) + + AC_DEFUN([NEED_PROG], [ AC_PATH_PROG($1, $2) |