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authorThomas Huth <thuth@redhat.com>2020-06-29 14:13:24 +0200
committerThomas Huth <thuth@redhat.com>2020-07-06 07:37:02 +0200
commit9df8b20d1632d108da316134d4d86a00b4028803 (patch)
tree8439f13b2b5ddbf3e01bbdd1a0245e341d317916
parent51b3ca97592964a0ece22f9df92592e0f80a78fe (diff)
configure / util: Auto-detect the availability of openpty()
Recent versions of Solaris (v11.4) now feature an openpty() function, too, causing a build failure since we ship our own implementation of openpty() for Solaris in util/qemu-openpty.c so far. Since there are now both variants available in the wild, with and without this function (and illumos is said to not have this function yet), let's introduce a proper HAVE_OPENPTY define for this to fix the build failure. Message-Id: <20200702143955.678-1-thuth@redhat.com> Tested-by: Michele Denber <denber@mindspring.com> Signed-off-by: Thomas Huth <thuth@redhat.com>
-rwxr-xr-xconfigure9
-rw-r--r--util/qemu-openpty.c5
2 files changed, 12 insertions, 2 deletions
diff --git a/configure b/configure
index 8a65240d4a..f8dc64beab 100755
--- a/configure
+++ b/configure
@@ -5134,10 +5134,14 @@ extern int openpty(int *am, int *as, char *name, void *termp, void *winp);
int main(void) { return openpty(0, 0, 0, 0, 0); }
EOF
-if ! compile_prog "" "" ; then
+have_openpty="no"
+if compile_prog "" "" ; then
+ have_openpty="yes"
+else
if compile_prog "" "-lutil" ; then
libs_softmmu="-lutil $libs_softmmu"
libs_tools="-lutil $libs_tools"
+ have_openpty="yes"
fi
fi
@@ -7380,6 +7384,9 @@ fi
if test "$have_broken_size_max" = "yes" ; then
echo "HAVE_BROKEN_SIZE_MAX=y" >> $config_host_mak
fi
+if test "$have_openpty" = "yes" ; then
+ echo "HAVE_OPENPTY=y" >> $config_host_mak
+fi
# Work around a system header bug with some kernel/XFS header
# versions where they both try to define 'struct fsxattr':
diff --git a/util/qemu-openpty.c b/util/qemu-openpty.c
index 2e8b43bdf5..4b8df96f38 100644
--- a/util/qemu-openpty.c
+++ b/util/qemu-openpty.c
@@ -52,7 +52,9 @@
#endif
#ifdef __sun__
-/* Once Solaris has openpty(), this is going to be removed. */
+
+#if !defined(HAVE_OPENPTY)
+/* Once illumos has openpty(), this is going to be removed. */
static int openpty(int *amaster, int *aslave, char *name,
struct termios *termp, struct winsize *winp)
{
@@ -93,6 +95,7 @@ err:
close(mfd);
return -1;
}
+#endif
static void cfmakeraw (struct termios *termios_p)
{