# System autoconfiguration. Try: ./configure --help

use cc cc-lib cc-run

options {
    with-openssl:path|auto|none
                         => {Look for openssl in the given path, or auto or none}
    with-zlib:path       => {Look for zlib in the given path}
    with-tcl:path        => {Enable Tcl integration, with Tcl in the specified path}
    with-tcl-stubs=0     => {Enable Tcl integration via stubs mechanism}

# Check for getpassphrase() for Solaris 10 where getpass() truncates to 10 chars
if {![cc-check-functions getpassphrase]} {
    # Haiku needs this
    cc-check-function-in-lib getpass bsd
}
cc-check-function-in-lib dlopen dl

# Check for long double bug
# See test/long-double.test for more information.
set code {
    volatile long long n; volatile long double ld;
    n = 2147483648L; ld = n;
    if (ld < 0) return 1;
}
switch -glob -- [get-define host] {
    sparc64-*-openbsd* {
        msg-checking "Checking for long double bug..."
        # If we're cross compiling we won't be able to run
        # binaries at all, so first check and see if a trivial
        # program runs okay.
        if {[cc-run -code {return 0;}]} {
            if {[cc-run -code $code]} {
                msg-result "not found"
            } else {
                msg-result "found"
                define-append EXTRA_CFLAGS -DLONGDOUBLE_TYPE=double
            }
        } else {
            msg-result "Unable to test, assuming bug not present"
        }
    }
}

make-template Makefile.in
make-config-header autoconfig.h -auto {USE_* FOSSIL_*}