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D29680.id87126.diff
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D29680.id87126.diff

Index: share/mk/bsd.compiler.mk
===================================================================
--- share/mk/bsd.compiler.mk
+++ share/mk/bsd.compiler.mk
@@ -191,7 +191,10 @@
_v!= ${${cc}:N${CCACHE_BIN}} --version || echo 0.0.0
.if !defined(${X_}COMPILER_TYPE)
-. if ${${cc}:T:M*gcc*}
+. if ${_v:[*]:M*Apple clang version*}
+# Detect apple clang when bootstrapping to select appropriate warnings.
+${X_}COMPILER_TYPE:= apple-clang
+. elif ${${cc}:T:M*gcc*}
${X_}COMPILER_TYPE:= gcc
. elif ${${cc}:T:M*clang*}
${X_}COMPILER_TYPE:= clang
@@ -219,6 +222,8 @@
.endif
.undef _v
.endif
+
+
.if !defined(${X_}COMPILER_FREEBSD_VERSION)
.if defined(_TOOLCHAIN_VARS_SHOULD_BE_SET) && !empty(_TOOLCHAIN_VARS_SHOULD_BE_SET) && !defined(COMPAT_32BIT) && !defined(COMPAT_64BIT) && !make(sysent) && !defined(_CRUNCHGEN)
.error "${.CURDIR}: Recomputing ${X_}COMPILER_FREEBSD_VERSION. This value should be cached!"
@@ -239,11 +244,11 @@
.endif
${X_}COMPILER_FEATURES= c++11 c++14
-.if ${${X_}COMPILER_TYPE} == "clang" || \
+.if ${${X_}COMPILER_TYPE:M*clang} || \
(${${X_}COMPILER_TYPE} == "gcc" && ${${X_}COMPILER_VERSION} >= 70000)
${X_}COMPILER_FEATURES+= c++17
.endif
-.if ${${X_}COMPILER_TYPE} == "clang"
+.if ${${X_}COMPILER_TYPE:M*clang}
${X_}COMPILER_FEATURES+= retpoline init-all
.endif

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