Filter header files from built sources.

environment.py

@@ -152,6 +152,8 @@ class ArLinker():
     def get_output_flags(self):
         return []
 
+header_suffixes = ['h', 'hh', 'hpp', 'hxx', 'H']
+
 class Environment():
     def __init__(self, source_dir, build_dir, options):
         self.source_dir = source_dir
@@ -176,6 +178,10 @@ class Environment():
         if evar in os.environ:
             return os.environ[evar].split()
         return self.default_c
+    
+    def is_header(self, fname):
+        suffix = fname.split('.')[-1]
+        return suffix in header_suffixes
 
     def detect_c_compiler(self):
         exelist = self.get_c_compiler_exelist()

interpreter.py

@@ -442,8 +442,12 @@ class Interpreter():
         for a in args:
             if not isinstance(a, str):
                 raise InvalidArguments('Line %d: Argument %s is not a string.' % (node.lineno(), str(a)))
-        name= args[0]
-        sources = args[1:]
+        name = args[0]
+        sources = []
+        for s in args[1:]:
+            print(s)
+            if not self.environment.is_header(s):
+                sources.append(s)
         if len(sources) == 0:
             raise InvalidArguments('Line %d: target has no source files.' % node.lineno())
         if name in self.build.targets:

test cases/22 header in file list/builder.txt

@@ -0,0 +1,4 @@
+project('header in file list', 'c')
+
+exe = executable('prog', 'prog.c', 'header.h')
+add_test('basic', exe)

test cases/22 header in file list/header.h

@@ -0,0 +1 @@
+#include<stdio.h>

test cases/22 header in file list/prog.c

@@ -0,0 +1 @@
+int main(int argc, char **argv) { return 0; }