From: John Marino <draco@marino.st>
Date: Mon, 21 Mar 2016 17:56:50 +0000 (+0100)
Subject: Add -march support for CCVER=clang* (new bsd.cpu.clang.mk)
X-Git-Tag: v4.6.0rc~663
X-Git-Url: https://gitweb.dragonflybsd.org/dragonfly.git/commitdiff_plain/e3c44cf9512eaeefc854f1301b03c687a682a5b4

Add -march support for CCVER=clang* (new bsd.cpu.clang.mk)
---

diff --git a/share/mk/bsd.cpu.clang.mk b/share/mk/bsd.cpu.clang.mk
new file mode 100644
index 0000000000..f8359e3bbf
--- /dev/null
+++ b/share/mk/bsd.cpu.clang.mk
@@ -0,0 +1,45 @@
+# Set default CPU compile flags and baseline CPUTYPE for each arch.  The
+# compile flags must support the minimum CPU type for each architecture but
+# may tune support for more advanced processors.
+
+generic_x86_64=	x86_64 mmx sse sse2
+generic_i386=	i386
+
+.if !defined(CPUTYPE) || empty(CPUTYPE) || ${CPUTYPE} == "native"
+
+. if defined(CPUTYPE) && ${CPUTYPE:Mnative}
+_CPUCFLAGS=	-march=native
+. else
+_CPUCFLAGS=
+. endif
+
+MACHINE_CPU=	${generic_${MACHINE_ARCH}}
+
+.else
+
+known_x86_64=	x86_64 i386
+known_i386=	i386
+
+. if defined(known_${MACHINE_ARCH}) && \
+     !empty(known_${MACHINE_ARCH}:M${CPUTYPE})		# CID: Check CPUTYPE
+
+# i386 used for 32-bit BIOS-based boot loaders
+
+C_x86_64=	${generic_x86_64}
+C_i386=		${generic_i386}
+
+_CPUCFLAGS=	-march=${CPUTYPE}
+MACHINE_CPU=	${C_${CPUTYPE:S|-||}}
+
+. else							# CID: Check CPUTYPE
+
+# CPUTYPE was defined and was not empty, but the value does not match known
+# CPU types of the defined MACHINE_ARCH.  Set -march to native and define
+# generic features based on MACHINE_ARCH
+
+_CPUCFLAGS=	-march=native
+MACHINE_CPU=	${generic_${MACHINE_ARCH}}
+
+. endif							# CID: Check CPUTYPE
+
+.endif
diff --git a/share/mk/bsd.cpu.mk b/share/mk/bsd.cpu.mk
index 651c69cb6d..2902691a92 100644
--- a/share/mk/bsd.cpu.mk
+++ b/share/mk/bsd.cpu.mk
@@ -43,6 +43,8 @@ CPUTYPE= ${FORCE_CPUTYPE}
 .  include <bsd.cpu.gcc47.mk>
 .elif ${CCVER} == gcc50
 .  include <bsd.cpu.gcc50.mk>
+.elif ${CCVER:Mclang*}
+.  include <bsd.cpu.clang.mk>
 .else
 .  include <bsd.cpu.custom.mk>
 .endif