Date: Sun, 10 Mar 2013 03:52:36 +0000 (UTC) From: Andrew Turner <andrew@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r248126 - head/sys/conf Message-ID: <201303100352.r2A3qaJN035932@svn.freebsd.org>
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Author: andrew Date: Sun Mar 10 03:52:35 2013 New Revision: 248126 URL: http://svnweb.freebsd.org/changeset/base/248126 Log: - Clang doesn't understand the -mno-thumb-interwork. Only use it with gcc. - We need to add "-mllvm -arm-enable-ehabi" to clangs CFLAGS when generating the unwind tables to tell it to add the required directives to the assembly it generates. Modified: head/sys/conf/Makefile.arm Modified: head/sys/conf/Makefile.arm ============================================================================== --- head/sys/conf/Makefile.arm Sun Mar 10 02:44:06 2013 (r248125) +++ head/sys/conf/Makefile.arm Sun Mar 10 03:52:35 2013 (r248126) @@ -39,12 +39,18 @@ SYSTEM_DEP:= ${SYSTEM_DEP:$S/conf/ldscri STRIP_FLAGS = -S .endif +.if ${COMPILER_TYPE} != "clang" CFLAGS += -mno-thumb-interwork +.endif .if empty(DDB_ENABLED) CFLAGS += -mno-apcs-frame .elif defined(WITH_ARM_EABI) CFLAGS += -funwind-tables +.if ${COMPILER_TYPE} == "clang" +# clang requires us to tell it to emit assembly with unwind information +CFLAGS += -mllvm -arm-enable-ehabi +.endif .endif SYSTEM_LD_ = ${LD} -Bdynamic -T ldscript.$M.noheader ${LDFLAGS} \
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