Allow passing custom CC and CXX to Makefile.direct

Issue #483 (bdwgc). * Makefile.direct (CC, CXX): Assign value using operator "?=" instead of "=" one.
ivmai · Nov 16, 2022 · 80d73f2 · 80d73f2
1 parent a9c187e
commit 80d73f2
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/Makefile.direct b/Makefile.direct
@@ -23,10 +23,10 @@ AS_ABI_FLAG?= $(ABI_FLAG)
 # ABI flag for assembler.  On HP/UX this is +A64 for 64 bit
 # executables.
 
-CC= cc $(ABI_FLAG)
+CC?= cc $(ABI_FLAG)
 # Compiler executable name.  For EMX, replace to "gcc".
 
-CXX= g++ $(ABI_FLAG)
+CXX?= g++ $(ABI_FLAG)
 # Needed only for "make c++", which builds the C++ interface.
 
 AS= as $(AS_ABI_FLAG)