From 2c8f4d0912a280ae55d73d96d0ca2ed96b8fde8a Mon Sep 17 00:00:00 2001
From: Claes Nästén <pekdon@gmail.com>
Date: Thu, 9 Dec 2021 20:01:19 +0100
Subject: fix: add forkpty for SunOS variants

forkpty is missing on Solaris < 11 and Illumos, provide fallback implementation
for non Solaris 11 users.
---
 config/CMakeLists.txt | 13 +++++++++++++
 config/config.h.in    |  1 +
 2 files changed, 14 insertions(+)

(limited to 'config')

diff --git a/config/CMakeLists.txt b/config/CMakeLists.txt
index 30f08c5297..8f93e1eb27 100644
--- a/config/CMakeLists.txt
+++ b/config/CMakeLists.txt
@@ -50,6 +50,19 @@ check_function_exists(strcasecmp HAVE_STRCASECMP)
 check_function_exists(strncasecmp HAVE_STRNCASECMP)
 check_function_exists(strptime HAVE_STRPTIME)
 
+if(CMAKE_SYSTEM_NAME STREQUAL "SunOS")
+  check_c_source_compiles("
+#include <termios.h>
+int
+main(void)
+{
+  return forkpty(0, NULL, NULL, NULL);
+}
+" HAVE_FORKPTY)
+else()
+  set(HAVE_FORKPTY 1)
+endif()
+
 # Symbols
 check_symbol_exists(FD_CLOEXEC "fcntl.h" HAVE_FD_CLOEXEC)
 if(HAVE_LANGINFO_H)
diff --git a/config/config.h.in b/config/config.h.in
index b0635fb52b..b44b7238d2 100644
--- a/config/config.h.in
+++ b/config/config.h.in
@@ -50,6 +50,7 @@
 #  undef HAVE_SYS_UIO_H
 # endif
 #endif
+#cmakedefine HAVE_FORKPTY
 
 #cmakedefine FEAT_TUI
 
-- 
cgit