Author: bdrewery
Date: Fri Feb 26 22:14:00 2016
New Revision: 296124
URL: https://svnweb.freebsd.org/changeset/base/296124

Log:
  Import bsd.clang-analyze.mk based on NetBSD's version.
  
  This allows 'make analyze' or 'make OBJ.clang-analyzer' to run the
  Clang static analyzer and present results on stdout.
  
  Obtained from:        NetBSD (CVS Rev. 1.3)
  Sponsored by: EMC / Isilon Storage Division
  Differential Revision:        https://reviews.freebsd.org/D5449

Added:
  head/share/mk/bsd.clang-analyze.mk   (contents, props changed)
Modified:
  head/share/man/man7/build.7
  head/share/mk/Makefile
  head/share/mk/bsd.dep.mk
  head/share/mk/bsd.lib.mk
  head/share/mk/bsd.prog.mk
  head/share/mk/bsd.subdir.mk
  head/share/mk/bsd.sys.mk
  head/sys/conf/kmod.mk

Modified: head/share/man/man7/build.7
==============================================================================
--- head/share/man/man7/build.7 Fri Feb 26 22:13:56 2016        (r296123)
+++ head/share/man/man7/build.7 Fri Feb 26 22:14:00 2016        (r296124)
@@ -24,7 +24,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd October 21, 2015
+.Dd February 26, 2016
 .Dt BUILD 7
 .Os
 .Sh NAME
@@ -107,6 +107,8 @@ section below, and by the variables docu
 The following list provides the names and actions for the targets
 supported by the build system:
 .Bl -tag -width ".Cm cleandepend"
+.It Cm analyze
+Run Clang static analyzer against all objects and present output on stdout.
 .It Cm check
 Run tests for a given subdirectory.
 The default directory used is

Modified: head/share/mk/Makefile
==============================================================================
--- head/share/mk/Makefile      Fri Feb 26 22:13:56 2016        (r296123)
+++ head/share/mk/Makefile      Fri Feb 26 22:14:00 2016        (r296124)
@@ -17,6 +17,7 @@ FILES=        \
        auto.obj.mk \
        bsd.README \
        bsd.arch.inc.mk \
+       bsd.clang-analyze.mk \
        bsd.compiler.mk \
        bsd.confs.mk \
        bsd.cpu.mk \

Added: head/share/mk/bsd.clang-analyze.mk
==============================================================================
--- /dev/null   00:00:00 1970   (empty, because file is newly added)
+++ head/share/mk/bsd.clang-analyze.mk  Fri Feb 26 22:14:00 2016        
(r296124)
@@ -0,0 +1,105 @@
+# $FreeBSD$
+#
+# Support Clang static analyzer on SRCS.
+#
+#
+# +++ variables +++
+#
+# CLANG_ANALYZE_CHECKERS       Which checkers to run for all sources.
+#
+# CLANG_ANALYZE_CXX_CHECKERS   Which checkers to run for C++ sources.
+#
+# CLANG_ANALYZE_OUTPUT         Output format for generated files.
+#                              text - don't generate extra files.
+#                              html - generate html in obj.plist/ directories.
+#                              plist - generate xml obj.plist files.
+#                              See also:
+#                                
contrib/llvm/tools/clang/include/clang/StaticAnalyzer/Core/Analyses.def
+#
+# CLANG_ANALYZE_OUTPUT_DIR     Sets which directory output set by
+#                              CLANG_ANALYZE_OUTPUT is placed into.
+#
+# +++ targets +++
+#
+#      analyze:
+#              Run the Clang static analyzer against all sources and present
+#              output on stdout.
+
+.if !target(__<bsd.clang-analyze.mk>__)
+__<bsd.clang-analyze.mk>__:
+
+.include <bsd.compiler.mk>
+
+.if ${COMPILER_TYPE} != "clang" && (make(analyze) || make(*.clang-analyzer))
+.error Clang static analyzer requires clang but found that compiler '${CC}' is 
${COMPILER_TYPE}
+.endif
+
+CLANG_ANALYZE_OUTPUT?= text
+CLANG_ANALYZE_OUTPUT_DIR?=     clang-analyze
+CLANG_ANALYZE_FLAGS+=  --analyze \
+                       -Xanalyzer -analyzer-output=${CLANG_ANALYZE_OUTPUT} \
+                       -o ${CLANG_ANALYZE_OUTPUT_DIR}
+
+CLANG_ANALYZE_CHECKERS+=       core deadcode security unix
+CLANG_ANALYZE_CXX_CHECKERS+=   cplusplus
+
+.for checker in ${CLANG_ANALYZE_CHECKERS}
+CLANG_ANALYZE_FLAGS+=  -Xanalyzer -analyzer-checker=${checker}
+.endfor
+CLANG_ANALYZE_CXX_FLAGS+=      ${CLANG_ANALYZE_FLAGS}
+.for checker in ${CLANG_ANALYZE_CXX_CHECKERS}
+CLANG_ANALYZE_CXX_FLAGS+=      -Xanalyzer -analyzer-checker=${checker}
+.endfor
+
+.SUFFIXES: .c .cc .cpp .cxx .C .clang-analyzer
+
+CLANG_ANALYZE_CFLAGS=  ${CFLAGS:N-Wa,--fatal-warnings}
+CLANG_ANALYZE_CXXFLAGS=        ${CXXFLAGS:N-Wa,--fatal-warnings}
+
+.c.clang-analyzer:
+       ${CC:N${CCACHE_BIN}} ${CLANG_ANALYZE_FLAGS} \
+           ${CLANG_ANALYZE_CFLAGS} ${CPPFLAGS} \
+           ${COPTS.${.IMPSRC:T}} ${CPUFLAGS.${.IMPSRC:T}} \
+           ${CPPFLAGS.${.IMPSRC:T}} ${.IMPSRC}
+.cc.clang-analyzer .cpp.clang-analyzer .cxx.clang-analyzer .C.clang-analyzer:
+       ${CXX:N${CCACHE_BIN}} ${CLANG_ANALYZE_CXX_FLAGS} \
+           ${CLANG_ANALYZE_CXXFLAGS} ${CPPFLAGS} \
+           ${COPTS.${.IMPSRC:T}} ${CPUFLAGS.${.IMPSRC:T}} \
+           ${CPPFLAGS.${.IMPSRC:T}} ${.IMPSRC}
+
+CLANG_ANALYZE_SRCS= \
+       ${SRCS:M*.[cC]} ${SRCS:M*.cc} \
+       ${SRCS:M*.cpp} ${SRCS:M*.cxx} \
+       ${DPSRCS:M*.[cC]} ${DPSRCS:M*.cc} \
+       ${DPSRCS:M*.cpp} ${DPSRCS:M*.cxx}
+.if !empty(CLANG_ANALYZE_SRCS)
+CLANG_ANALYZE_OBJS=    ${CLANG_ANALYZE_SRCS:O:u:R:S,$,.clang-analyzer,}
+.NOPATH:       ${CLANG_ANALYZE_OBJS}
+.endif
+
+# .depend files aren't relevant here since they reference obj.o rather than
+# obj.clang-analyzer, so add in some guesses in case 'make depend' wasn't ran,
+# for when directly building 'obj.clang-analyzer'.
+.for __obj in ${CLANG_ANALYZE_OBJS}
+${__obj}: ${OBJS_DEPEND_GUESS}
+${__obj}: ${OBJS_DEPEND_GUESS.${__obj}}
+.endfor
+
+.if ${MK_FAST_DEPEND} == "yes"
+beforeanalyze: depend
+.endif
+beforeanalyze: .PHONY
+.if !defined(_RECURSING_PROGS) && !empty(CLANG_ANALYZE_SRCS) && \
+    ${CLANG_ANALYZE_OUTPUT} != "text"
+       mkdir -p ${CLANG_ANALYZE_OUTPUT_DIR}
+.endif
+
+.if !target(analyze)
+analyze: beforeanalyze .WAIT ${CLANG_ANALYZE_OBJS}
+.endif
+
+.if exists(${CLANG_ANALYZE_OUTPUT_DIR})
+CLEANDIRS+=    ${CLANG_ANALYZE_OUTPUT_DIR}
+.endif
+
+.endif # !target(__<bsd.clang-analyze.mk>__)

Modified: head/share/mk/bsd.dep.mk
==============================================================================
--- head/share/mk/bsd.dep.mk    Fri Feb 26 22:13:56 2016        (r296123)
+++ head/share/mk/bsd.dep.mk    Fri Feb 26 22:14:00 2016        (r296124)
@@ -83,7 +83,7 @@ tags: ${SRCS}
 # Skip reading .depend when not needed to speed up tree-walks
 # and simple lookups.
 .if !empty(.MAKEFLAGS:M-V${_V_READ_DEPEND}) || make(obj) || make(clean*) || \
-    make(install*)
+    make(install*) || make(analyze)
 _SKIP_READ_DEPEND=     1
 .if ${MK_DIRDEPS_BUILD} == "no"
 .MAKE.DEPENDFILE=      /dev/null

Modified: head/share/mk/bsd.lib.mk
==============================================================================
--- head/share/mk/bsd.lib.mk    Fri Feb 26 22:13:56 2016        (r296123)
+++ head/share/mk/bsd.lib.mk    Fri Feb 26 22:14:00 2016        (r296124)
@@ -441,5 +441,6 @@ ${_S:R}.So: ${OBJS_DEPEND_GUESS.${_S:R}.
 .endif
 
 .include <bsd.dep.mk>
+.include <bsd.clang-analyze.mk>
 .include <bsd.obj.mk>
 .include <bsd.sys.mk>

Modified: head/share/mk/bsd.prog.mk
==============================================================================
--- head/share/mk/bsd.prog.mk   Fri Feb 26 22:13:56 2016        (r296123)
+++ head/share/mk/bsd.prog.mk   Fri Feb 26 22:14:00 2016        (r296124)
@@ -283,5 +283,6 @@ ${OBJS}: ${OBJS_DEPEND_GUESS}
 .endif
 
 .include <bsd.dep.mk>
+.include <bsd.clang-analyze.mk>
 .include <bsd.obj.mk>
 .include <bsd.sys.mk>

Modified: head/share/mk/bsd.subdir.mk
==============================================================================
--- head/share/mk/bsd.subdir.mk Fri Feb 26 22:13:56 2016        (r296123)
+++ head/share/mk/bsd.subdir.mk Fri Feb 26 22:14:00 2016        (r296124)
@@ -39,7 +39,7 @@
 __<bsd.subdir.mk>__:
 
 SUBDIR_TARGETS+= \
-               all all-man buildconfig buildfiles buildincludes \
+               all all-man analyze buildconfig buildfiles buildincludes \
                checkdpadd clean cleandepend cleandir cleanilinks \
                cleanobj depend distribute files includes installconfig \
                installfiles installincludes realinstall lint maninstall \

Modified: head/share/mk/bsd.sys.mk
==============================================================================
--- head/share/mk/bsd.sys.mk    Fri Feb 26 22:13:56 2016        (r296123)
+++ head/share/mk/bsd.sys.mk    Fri Feb 26 22:14:00 2016        (r296124)
@@ -176,7 +176,7 @@ CXXFLAGS+=   ${CXXFLAGS.${COMPILER_TYPE}}
 
 # Tell bmake not to mistake standard targets for things to be searched for
 # or expect to ever be up-to-date.
-PHONY_NOTMAIN = afterdepend afterinstall all beforedepend beforeinstall \
+PHONY_NOTMAIN = analyze afterdepend afterinstall all beforedepend 
beforeinstall \
                beforelinking build build-tools buildconfig buildfiles \
                buildincludes check checkdpadd clean cleandepend cleandir \
                cleanobj configure depend distclean distribute exe \

Modified: head/sys/conf/kmod.mk
==============================================================================
--- head/sys/conf/kmod.mk       Fri Feb 26 22:13:56 2016        (r296123)
+++ head/sys/conf/kmod.mk       Fri Feb 26 22:14:00 2016        (r296124)
@@ -461,5 +461,6 @@ ${OBJS}: ${OBJS_DEPEND_GUESS}
 .endif
 
 .include <bsd.dep.mk>
+.include <bsd.clang-analyze.mk>
 .include <bsd.obj.mk>
 .include "kern.mk"
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