From 8d68afa6e6caa4b62a12875bb13d0c651c0945ed Mon Sep 17 00:00:00 2001
From: Joakim Gebart <joakim.gebart@eistec.se>
Date: Tue, 20 Jan 2015 21:34:17 +0100
Subject: [PATCH] Makefile: Add ARFLAGS for overriding command line options to
`ar`
- Makefile.base: Respect ARFLAGS when building static archives.
- Makefile.cflags: Add default ARFLAGS.
- Makefile.vars: Add description for ARFLAGS.
---
Makefile.base | 2 +-
Makefile.cflags | 6 ++++++
Makefile.vars | 1 +
3 files changed, 8 insertions(+), 1 deletion(-)
diff --git a/Makefile.base b/Makefile.base
index e16f028f8b..7d0e89aa07 100644
--- a/Makefile.base
+++ b/Makefile.base
@@ -49,7 +49,7 @@ $(BINDIR)$(MODULE)/:
$(BINDIR)$(MODULE).a $(OBJ): | $(BINDIR)$(MODULE)/
$(BINDIR)$(MODULE).a: $(OBJ) | ${DIRS:%=ALL--%}
- $(AD)$(AR) -rcs $@ $?
+ $(AD)$(AR) $(ARFLAGS) $@ $?
CXXFLAGS = $(filter-out $(CXXUWFLAGS), $(CFLAGS)) $(CXXEXFLAGS)
diff --git a/Makefile.cflags b/Makefile.cflags
index 39049324d7..89381ef4fb 100644
--- a/Makefile.cflags
+++ b/Makefile.cflags
@@ -50,3 +50,9 @@ endif
# Forbid common symbols to prevent accidental aliasing.
CFLAGS += -fno-common
+
+# Default ARFLAGS for platforms which do not specify it.
+# Note: make by default provides ARFLAGS=rv which we want to override
+ifeq ($(origin ARFLAGS),default)
+ ARFLAGS = rcs
+endif
diff --git a/Makefile.vars b/Makefile.vars
index 571c625a64..7896e67a0a 100644
--- a/Makefile.vars
+++ b/Makefile.vars
@@ -26,6 +26,7 @@ export CFLAGS # The compiler flags. Must only ever be used with `
export CXXUWFLAGS # (Patters of) flags in CFLAGS, that should not be passed to CXX.
export CXXEXFLAGS # Additional flags that should be passed to CXX.
export AR # The command to create the object file archives.
+export ARFLAGS # Command-line options to pass to AR, default `rcs`.
export AS # The assembler.
export ASFLAGS # Flags for the assembler.
export LINK # The command used to link the files. Must take the same parameters as GCC, i.e. "ld" won't work.
--
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