Author: ian
Date: Wed Mar 19 18:54:53 2014
New Revision: 263373
URL: http://svnweb.freebsd.org/changeset/base/263373
Log:
Add a way to apply CFLAGS only when building the given architecture. This
is useful primarily on a system used for cross-building, when you have a
set of flags to apply to the TARGET_ARCH being cross-built but don't want
those settings applied to building the cross-tools or other components that
run on the build host machine.
Modified:
head/share/examples/etc/make.conf
head/share/mk/bsd.cpu.mk
Modified: head/share/examples/etc/make.conf
==============================================================================
--- head/share/examples/etc/make.conf Wed Mar 19 17:53:09 2014
(r263372)
+++ head/share/examples/etc/make.conf Wed Mar 19 18:54:53 2014
(r263373)
@@ -60,6 +60,12 @@
# nonstandard optimization settings
# before submitting bug reports without patches to the developers.
#
+# CFLAGS.arch provides a mechanism for applying CFLAGS only when building
+# the given architecture. This is useful primarily on a system used for
+# cross-building, when you have a set of flags to apply to the TARGET_ARCH
+# being cross-built but don't want those settings applied to building the
+# cross-tools or other components that run on the build host machine.
+#
# CXXFLAGS controls the compiler settings used when compiling C++ code.
# Note that CXXFLAGS is initially set to the value of CFLAGS. If you wish
# to add to CXXFLAGS value, "+=" must be used rather than "=". Using "="
@@ -71,6 +77,7 @@
#
# CFLAGS+= -msse3
# CXXFLAGS+= -msse3
+# CFLAGS.armv6+= -mfloat-abi=softfp
#
# MAKE_SHELL controls the shell used internally by make(1) to process the
# command scripts in makefiles. Three shells are supported, sh, ksh, and
Modified: head/share/mk/bsd.cpu.mk
==============================================================================
--- head/share/mk/bsd.cpu.mk Wed Mar 19 17:53:09 2014 (r263372)
+++ head/share/mk/bsd.cpu.mk Wed Mar 19 18:54:53 2014 (r263373)
@@ -260,3 +260,7 @@ CFLAGS += -G0
.if !defined(NO_CPU_CFLAGS)
CFLAGS += ${_CPUCFLAGS}
.endif
+
+# Add in any architecture-specific CFLAGS.
+# These come from make.conf or the command line or the environment.
+CFLAGS += ${CFLAGS.${MACHINE_ARCH}}
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