From e3ee0b4304e190436375a913fe66f072a41bf505 Mon Sep 17 00:00:00 2001
From: ketmar <ketmar@ketmar.no-ip.org>
Date: Fri, 16 May 2014 16:43:16 +0300
Subject: [PATCH] Main renamed to C-Main; new Main now will try to detect
 language

---
 defaults/main/Jambase.main   | 51 ++++++++++++++++++++++++++++++++++++++++++++
 defaults/main/Jambase.main.c |  2 +-
 2 files changed, 52 insertions(+), 1 deletion(-)

diff --git a/defaults/main/Jambase.main b/defaults/main/Jambase.main
index 77fdd79..88669db 100644
--- a/defaults/main/Jambase.main
+++ b/defaults/main/Jambase.main
@@ -79,6 +79,57 @@ rule --MainFromObjects-- {
   return $(5) ;
 }
 
+
+# /Main image : sources [ : targets ] ;
+#
+# Compiles _sources_ and links them into _image_. Calls @Objects and
+# @MainFromObjects.
+#
+# _image_ may be supplied without suffix.
+#
+rule Main {
+  local main_name = ;
+  local detected ;
+  # detect which main we want
+  for local fn in $(2) {
+    if ! ( $(fname) ~= '^![^!]' ) {
+      #Echo "ext:" $(fn:S) ;
+      local ext = $(fn:S) ;
+      if $(ext) = '.d' { detected = Gdc-Main ; }
+      else if $(ext) = '.c' { detected = C-Main ; }
+      else if $(ext) = 'C' { detected = C++Main ; }
+      else if $(ext) ~= '/^\.c++/i' { detected = C++Main ; }
+      else if $(ext) ~= '/^\.cc/i' { detected = C++Main ; }
+      else if $(ext) ~= '/^\.cpp/i' { detected = C++Main ; }
+      else { detected = ; }
+      #Echo " detected:" $(detected) ;
+      #Echo " main_name:" $(main_name) ;
+      if $(detected) {
+        if ! $(main_name) {
+          main_name = $(detected) ;
+        } else if $(detected) != $(main_name) {
+          # two languages detected
+          if $(detected) == 'C-Main' {
+            # it's ok to mix C and C++
+            if $(main_name) != 'C++Main' { Exit "Main: conflicting languages for $(1)" ; }
+          } else if $(detected) == 'C++Main' {
+            # it's ok to mix C and C++
+            if $(main_name) != 'C-Main' { Exit "Main: conflicting languages for $(1)" ; }
+            main_name = 'C++Main' ;
+          } else {
+            Exit "Main: can't detect language for $(1)" ;
+          }
+        }
+      }
+    }
+  }
+  #Echo "main_name:" $(main_name) ;
+  if ! $(main_name) { Exit "Main: can't detect language for $(1)" ; }
+  #Echo "Main detected:" $(main_name) ;
+  $(main_name) ;
+}
+
+
 . Jambase.main.attrs
 . Jambase.main.c
 . Jambase.main.cpp
diff --git a/defaults/main/Jambase.main.c b/defaults/main/Jambase.main.c
index 5d880d3..e232343 100644
--- a/defaults/main/Jambase.main.c
+++ b/defaults/main/Jambase.main.c
@@ -18,7 +18,7 @@
 #
 # _image_ may be supplied without suffix.
 #
-rule Main {
+rule C-Main {
   local _tgts = [ --MainNormalizeTargets-- $(1) : $(3) ] ;
   local _xl = [ --MainFromObjects-- $(<) : $(>:S=$(SUFOBJ)) : $(_tgts) : Link : $(>) ] ;
   Objects $(_xl) : $(3) : $(1) ;
-- 
2.11.4.GIT