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| author | Nikos Mavrogiannopoulos <nmav@gnutls.org> | 2016-07-15 21:55:04 +0200 |
|---|---|---|
| committer | Nikos Mavrogiannopoulos <nmav@gnutls.org> | 2016-07-15 21:55:06 +0200 |
| commit | b9e643f32b3aefb48e3556a9b21c08596515ecda (patch) | |
| tree | fa96547d8ac1e18bb2ad3a08a958514088799b05 /configure.ac | |
| parent | 76bdb7093c1b336612a58b307167f338f2142acc (diff) | |
| download | gnutls-b9e643f32b3aefb48e3556a9b21c08596515ecda.tar.gz | |
configure: prevent a version of getentropy() in a linux libc to be used
For now, we auto-detect and switch between getrandom() and /dev/urandom
when the former is not available. With the complexity of dealing with
libc's that have the feature but kernel not supporting it, or vice versa
it is best keep things simple.
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/configure.ac b/configure.ac index 9d3681b006..37fc1d1d3b 100644 --- a/configure.ac +++ b/configure.ac @@ -189,7 +189,11 @@ AC_LINK_IFELSE([AC_LANG_PROGRAM([ AC_MSG_CHECKING([for getentropy]) AC_LINK_IFELSE([AC_LANG_PROGRAM([ - #include <unistd.h>],[ + #include <unistd.h> + #ifdef __linux__ + #error 1 + #endif + ],[ getentropy(0, 0); ])], [AC_MSG_RESULT(yes) |