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Add new configure option, --disable-timestamps, intended to turn off anything which would mess up binary/object comparisons. Currently:
- Disables 'Built on ...' in 'foo --version'. - Disables timestamps from being embedded into .dir files. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103423 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Daniel Dunbar
parent
faa19c32a2
commit
dd464df687
@ -270,6 +270,9 @@ ENABLE_SHARED := @ENABLE_SHARED@
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# Use -fvisibility-inlines-hidden?
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ENABLE_VISIBILITY_INLINES_HIDDEN := @ENABLE_VISIBILITY_INLINES_HIDDEN@
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# Do we want to allow timestamping information into builds?
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ENABLE_TIMESTAMPS := @ENABLE_TIMESTAMPS@
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# This option tells the Makefiles to produce verbose output.
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# It essentially prints the commands that make is executing
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#VERBOSE = 1
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@ -447,6 +447,14 @@ else
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endif
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endif
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# Support makefile variable to disable any kind of timestamp/non-deterministic
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# info from being used in the build.
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ifeq ($(ENABLE_TIMESTAMPS),1)
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DOTDIR_TIMESTAMP_COMMAND := $(DATE)
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else
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DOTDIR_TIMESTAMP_COMMAND := echo 'Created.'
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endif
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ifeq ($(HOST_OS),MingW)
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# Work around PR4957
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CPP.Defines += -D__NO_CTYPE_INLINE
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@ -779,7 +787,7 @@ $(DESTDIR)$(PROJ_bindir) $(DESTDIR)$(PROJ_libdir) $(DESTDIR)$(PROJ_includedir) $
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# To create other directories, as needed, and timestamp their creation
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%/.dir:
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$(Verb) $(MKDIR) $* > /dev/null
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$(Verb) $(DATE) > $@
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$(Verb) $(DOTDIR_TIMESTAMP_COMMAND) > $@
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.PRECIOUS: $(ObjDir)/.dir $(LibDir)/.dir $(ToolDir)/.dir $(ExmplDir)/.dir
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.PRECIOUS: $(LLVMLibDir)/.dir $(LLVMToolDir)/.dir $(LLVMExmplDir)/.dir
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@ -525,6 +525,20 @@ case "$enableval" in
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*) AC_MSG_ERROR([Invalid setting for --enable-shared. Use "yes" or "no"]) ;;
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esac
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dnl Enable embedding timestamp information into build.
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AC_ARG_ENABLE(timestamps,
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AS_HELP_STRING([--enable-timestamps],
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[Enable embedding timestamp information in build (default is YES)]),,
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enableval=default)
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case "$enableval" in
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yes) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
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no) AC_SUBST(ENABLE_TIMESTAMPS,[0]) ;;
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default) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
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*) AC_MSG_ERROR([Invalid setting for --enable-timestamps. Use "yes" or "no"]) ;;
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esac
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AC_DEFINE_UNQUOTED([ENABLE_TIMESTAMPS],$ENABLE_TIMESTAMPS,
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[Define if timestamp information (e.g., __DATE___) is allowed])
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dnl Allow specific targets to be specified for building (or not)
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TARGETS_TO_BUILD=""
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AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-targets],
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34
configure
vendored
34
configure
vendored
@ -690,6 +690,7 @@ ENABLE_DOXYGEN
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ENABLE_THREADS
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ENABLE_PIC
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ENABLE_SHARED
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ENABLE_TIMESTAMPS
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TARGETS_TO_BUILD
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LLVM_ENUM_TARGETS
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LLVM_ENUM_ASM_PRINTERS
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@ -1410,6 +1411,8 @@ Optional Features:
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is YES)
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--enable-shared Build a shared library and link tools against it
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(default is NO)
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--enable-timestamps Enable embedding timestamp information in build
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(default is YES)
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--enable-targets Build specific host targets: all or
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target1,target2,... Valid targets are: host, x86,
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x86_64, sparc, powerpc, alpha, arm, mips, spu,
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@ -4923,6 +4926,30 @@ echo "$as_me: error: Invalid setting for --enable-shared. Use \"yes\" or \"no\""
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{ (exit 1); exit 1; }; } ;;
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esac
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# Check whether --enable-timestamps was given.
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if test "${enable_timestamps+set}" = set; then
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enableval=$enable_timestamps;
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else
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enableval=default
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fi
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case "$enableval" in
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yes) ENABLE_TIMESTAMPS=1
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;;
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no) ENABLE_TIMESTAMPS=0
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;;
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default) ENABLE_TIMESTAMPS=1
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;;
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*) { { echo "$as_me:$LINENO: error: Invalid setting for --enable-timestamps. Use \"yes\" or \"no\"" >&5
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echo "$as_me: error: Invalid setting for --enable-timestamps. Use \"yes\" or \"no\"" >&2;}
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{ (exit 1); exit 1; }; } ;;
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esac
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cat >>confdefs.h <<_ACEOF
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#define ENABLE_TIMESTAMPS $ENABLE_TIMESTAMPS
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_ACEOF
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TARGETS_TO_BUILD=""
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# Check whether --enable-targets was given.
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if test "${enable_targets+set}" = set; then
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@ -11357,7 +11384,7 @@ else
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lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
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lt_status=$lt_dlunknown
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cat > conftest.$ac_ext <<EOF
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#line 11360 "configure"
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#line 11387 "configure"
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#include "confdefs.h"
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#if HAVE_DLFCN_H
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@ -21167,6 +21194,7 @@ ENABLE_DOXYGEN!$ENABLE_DOXYGEN$ac_delim
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ENABLE_THREADS!$ENABLE_THREADS$ac_delim
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ENABLE_PIC!$ENABLE_PIC$ac_delim
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ENABLE_SHARED!$ENABLE_SHARED$ac_delim
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ENABLE_TIMESTAMPS!$ENABLE_TIMESTAMPS$ac_delim
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TARGETS_TO_BUILD!$TARGETS_TO_BUILD$ac_delim
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LLVM_ENUM_TARGETS!$LLVM_ENUM_TARGETS$ac_delim
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LLVM_ENUM_ASM_PRINTERS!$LLVM_ENUM_ASM_PRINTERS$ac_delim
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@ -21175,7 +21203,6 @@ LLVM_ENUM_DISASSEMBLERS!$LLVM_ENUM_DISASSEMBLERS$ac_delim
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ENABLE_CBE_PRINTF_A!$ENABLE_CBE_PRINTF_A$ac_delim
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CLANGPATH!$CLANGPATH$ac_delim
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CLANGXXPATH!$CLANGXXPATH$ac_delim
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ENABLE_BUILT_CLANG!$ENABLE_BUILT_CLANG$ac_delim
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_ACEOF
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if test `sed -n "s/.*$ac_delim\$/X/p" conf$$subs.sed | grep -c X` = 97; then
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@ -21217,6 +21244,7 @@ _ACEOF
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ac_delim='%!_!# '
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for ac_last_try in false false false false false :; do
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cat >conf$$subs.sed <<_ACEOF
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ENABLE_BUILT_CLANG!$ENABLE_BUILT_CLANG$ac_delim
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OPTIMIZE_OPTION!$OPTIMIZE_OPTION$ac_delim
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EXTRA_OPTIONS!$EXTRA_OPTIONS$ac_delim
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BINUTILS_INCDIR!$BINUTILS_INCDIR$ac_delim
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@ -21313,7 +21341,7 @@ LIBOBJS!$LIBOBJS$ac_delim
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LTLIBOBJS!$LTLIBOBJS$ac_delim
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_ACEOF
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if test `sed -n "s/.*$ac_delim\$/X/p" conf$$subs.sed | grep -c X` = 94; then
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if test `sed -n "s/.*$ac_delim\$/X/p" conf$$subs.sed | grep -c X` = 95; then
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break
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elif $ac_last_try; then
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{ { echo "$as_me:$LINENO: error: could not make $CONFIG_STATUS" >&5
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@ -24,6 +24,9 @@
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/* Define if threads enabled */
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#undef ENABLE_THREADS
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/* Define if timestamp information (e.g., __DATE___) is allowed */
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#undef ENABLE_TIMESTAMPS
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/* Define to 1 if you have the `argz_append' function. */
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#undef HAVE_ARGZ_APPEND
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@ -1170,7 +1170,9 @@ public:
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std::string CPU = sys::getHostCPUName();
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if (CPU == "generic") CPU = "(unknown)";
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OS << ".\n"
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#if (ENABLE_TIMESTAMPS == 1)
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<< " Built " << __DATE__ << " (" << __TIME__ << ").\n"
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#endif
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<< " Host: " << sys::getHostTriple() << '\n'
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<< " Host CPU: " << CPU << '\n'
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<< '\n'
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