Mailing List Archive

http://bugzilla.mindrot.org/show_bug.cgi?id=1239

Summary: OpenSSL ENGINE support broken on Solaris using Sun
Studio compiler
Product: Portable OpenSSH
Version: 4.4p1
Platform: Other
OS/Version: Solaris
Status: NEW
Severity: normal
Priority: P2
Component: Build system
AssignedTo: bitbucket@mindrot.org
ReportedBy: andrew.benham@thus.net


Solaris 8,9, and 10, x86 and sparc

configuring with '--with-ssl-engine' gives an error:

checking for OpenSSL ENGINE support... configure: error: OpenSSL ENGINE
support not found


Cause:
configure.ac lines 1916 onward state:

AC_TRY_COMPILE(
[ #include <openssl/engine.h>],
[
int
main(void){ENGINE_load_builtin_engines();ENGINE_register_all_complete();}
],
[ AC_MSG_RESULT(yes)
AC_DEFINE(USE_OPENSSL_ENGINE, 1,
[Enable OpenSSL engine support])
],
[ AC_MSG_ERROR(OpenSSL ENGINE support not
found)]
)


This generates code in configure lines 17887 onward:

int
main ()
{

int
main(void){ENGINE_load_builtin_engines();ENGINE_register_all_complet
e();}

;
return 0;
}


which the Sun Studio compiler doesn't regard as valid C: it's
declaring a function 'main()' inside a function 'main()', and
terminates with an error.

gcc doesn't seem to mind compiling this code, but the Sun Studio
compiler isn't having it.


Fix:
configure.ac, line 1919

Lose the leading "int main(void){" and the trailing "}"




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