Pin bison to make sure m4/1.4.18 is used, not m4/1.4.19

cf conan-io/conan-center-index#8920 cf #38 (comment)
NREL · Jan 14, 2022 · 3a6ffd9 · 3a6ffd9
1 parent 2298c95
commit 3a6ffd9
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/conanfile.py b/conanfile.py
@@ -140,7 +140,10 @@ def build_requirements(self):
 
         # You CANNOT use bison 3.7.1 as it's stricter and will throw
         # redefinition errors in Ruby' parser.c
-        self.build_requires("bison/3.7.1")
+        # Latest bison with m4/1.4.18
+        # self.build_requires("bison/3.7.1#dcffa3dd9204cb79ac7ca09a7f19bb8b")
+        # The one on NREL (older)
+        self.build_requires("bison/3.7.1#8bba3cd5416cf47dbc99130108ecb67e")
 
     def build(self):
         """