From 88256c9ddad271427153d0cbc3db397345d372e0 Mon Sep 17 00:00:00 2001
From: Steve Bennett <steveb@workware.net.au>
Date: Mon, 7 Oct 2019 11:46:05 +1000
Subject: build: Check for inline support

To ensure that linenoise.c can build, even for strict c89
Add cc-check-inline in autosetup/jim-misc.auto

Signed-off-by: Steve Bennett <steveb@workware.net.au>
---
 auto.def                |  3 +++
 autosetup/jim-misc.auto | 33 +++++++++++++++++++++++++++++++++
 2 files changed, 36 insertions(+)
 create mode 100644 autosetup/jim-misc.auto

diff --git a/auto.def b/auto.def
index 615f157..d6ab2ec 100644
--- a/auto.def
+++ b/auto.def
@@ -297,6 +297,9 @@ if {[opt-bool-or-full lineedit]} {
         define USE_LINENOISE
         define-append PARSE_UNIDATA_FLAGS -width
         lappend extra_objs linenoise.o
+        if {[cc-check-inline] && [is-defined inline]} {
+            define-append CCOPTS -Dinline=[get-define inline]
+        }
     }
 }
 if {[opt-bool references]} {
diff --git a/autosetup/jim-misc.auto b/autosetup/jim-misc.auto
new file mode 100644
index 0000000..cf13592
--- /dev/null
+++ b/autosetup/jim-misc.auto
@@ -0,0 +1,33 @@
+# @cc-check-inline
+#
+# The equivalent of the 'AC_C_INLINE' macro.
+#
+# defines 'HAVE_INLINE' if inline is available,
+# and defines 'inline' to be __inline__ or __inline if necessary
+# or to "" if not available.
+#
+# Returns 1 if 'inline' is available or 0 otherwise
+#
+proc cc-check-inline {} {
+	msg-checking "Checking for inline support..."
+	set ok 0
+	foreach i {inline __inline__ __inline} {
+		if {[cctest -declare "#ifndef __cplusplus\nstatic $i void testfunc__(void);\n#endif"]} {
+			incr ok
+			break
+		}
+	}
+	if {$ok} {
+		if {$i eq "inline"} {
+			msg-result yes
+		} else {
+			msg-result $i
+			define inline $i
+		}
+	} else {
+		define inline ""
+		msg-result no
+	}
+	define-feature inline $ok
+	return $ok
+}
-- 
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