Add custom memory allocator to MinGW and MacOS builds

diff --git a/Makefile b/Makefile
index 6e216436c36f4dcbe1121d02a291e9f568ca6071..c718ec7af2eaa85246f648f99519b1e9168e9cee 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -175,6 +175,12 @@ all::
 # Define OBJECT_CREATION_USES_RENAMES if your operating systems has problems
 # when hardlinking a file to another name and unlinking the original file right
 # away (some NTFS drivers seem to zero the contents in that scenario).
+#
+# Define NO_CROSS_DIRECTORY_HARDLINKS if you plan to distribute the installed
+# programs as a tar, where bin/ and libexec/ might be on different file systems.
+#
+# Define USE_NED_ALLOCATOR if you want to replace the platforms default
+# memory allocators with the nedmalloc allocator written by Niall Douglas.
 
 GIT-VERSION-FILE: .FORCE-GIT-VERSION-FILE
        @$(SHELL_PATH) ./GIT-VERSION-GEN
@@ -225,6 +231,7 @@ ETC_GITCONFIG = etc/gitconfig
 endif
 lib = lib
 # DESTDIR=
+pathsep = :
 
 # default configuration for gitweb
 GITWEB_CONFIG = gitweb_config.perl
@@ -332,7 +339,6 @@ PROGRAMS += git-index-pack$X
 PROGRAMS += git-merge-index$X
 PROGRAMS += git-merge-tree$X
 PROGRAMS += git-mktag$X
-PROGRAMS += git-mktree$X
 PROGRAMS += git-pack-redundant$X
 PROGRAMS += git-patch-id$X
 PROGRAMS += git-shell$X
@@ -586,6 +592,7 @@ BUILTIN_OBJS += builtin-merge-base.o
 BUILTIN_OBJS += builtin-merge-file.o
 BUILTIN_OBJS += builtin-merge-ours.o
 BUILTIN_OBJS += builtin-merge-recursive.o
+BUILTIN_OBJS += builtin-mktree.o
 BUILTIN_OBJS += builtin-mv.o
 BUILTIN_OBJS += builtin-name-rev.o
 BUILTIN_OBJS += builtin-pack-objects.o
@@ -698,7 +705,9 @@ ifeq ($(uname_S),SunOS)
        NO_MEMMEM = YesPlease
        NO_HSTRERROR = YesPlease
        NO_MKDTEMP = YesPlease
-       OLD_ICONV = UnfortunatelyYes
+       ifneq ($(uname_R),5.11)
+               OLD_ICONV = UnfortunatelyYes
+       endif
        ifeq ($(uname_R),5.8)
                NO_UNSETENV = YesPlease
                NO_SETENV = YesPlease
@@ -749,6 +758,7 @@ endif
 ifeq ($(uname_S),OpenBSD)
        NO_STRCASESTR = YesPlease
        NO_MEMMEM = YesPlease
+       USE_ST_TIMESPEC = YesPlease
        NEEDS_LIBICONV = YesPlease
        BASIC_CFLAGS += -I/usr/local/include
        BASIC_LDFLAGS += -L/usr/local/lib
@@ -812,6 +822,7 @@ ifneq (,$(findstring CYGWIN,$(uname_S)))
        UNRELIABLE_FSTAT = UnfortunatelyYes
 endif
 ifneq (,$(findstring MINGW,$(uname_S)))
+       pathsep = ;
        NO_PREAD = YesPlease
        NO_OPENSSL = YesPlease
        NO_CURL = YesPlease
@@ -836,10 +847,10 @@ ifneq (,$(findstring MINGW,$(uname_S)))
        NO_ST_BLOCKS_IN_STRUCT_STAT = YesPlease
        NO_NSEC = YesPlease
        USE_WIN32_MMAP = YesPlease
+       USE_NED_ALLOCATOR = YesPlease
        UNRELIABLE_FSTAT = UnfortunatelyYes
        OBJECT_CREATION_USES_RENAMES = UnfortunatelyNeedsTo
        COMPAT_CFLAGS += -D__USE_MINGW_ACCESS -DNOGDI -Icompat -Icompat/regex -Icompat/fnmatch
-       COMPAT_CFLAGS += -DSNPRINTF_SIZE_CORR=1
        COMPAT_CFLAGS += -DSTRIP_EXTENSION=\".exe\"
        COMPAT_OBJS += compat/mingw.o compat/fnmatch/fnmatch.o compat/regex/regex.o compat/winansi.o
        EXTLIBS += -lws2_32
@@ -1123,6 +1134,11 @@ ifdef UNRELIABLE_FSTAT
        BASIC_CFLAGS += -DUNRELIABLE_FSTAT
 endif
 
+ifdef USE_NED_ALLOCATOR
+       COMPAT_CFLAGS += -DUSE_NED_ALLOCATOR -DOVERRIDE_STRDUP -DNDEBUG -DREPLACE_SYSTEM_ALLOCATOR -Icompat/nedmalloc
+       COMPAT_OBJS += compat/nedmalloc/nedmalloc.o
+endif
+
 ifeq ($(TCLTK_PATH),)
 NO_TCLTK=NoThanks
 endif
@@ -1197,7 +1213,7 @@ SHELL = $(SHELL_PATH)
 
 all:: shell_compatibility_test $(ALL_PROGRAMS) $(BUILT_INS) $(OTHER_PROGRAMS) GIT-BUILD-OPTIONS
 ifneq (,$X)
-       $(foreach p,$(patsubst %$X,%,$(filter %$X,$(ALL_PROGRAMS) $(BUILT_INS) git$X)), test '$p' -ef '$p$X' || $(RM) '$p';)
+       $(QUIET_BUILT_IN)$(foreach p,$(patsubst %$X,%,$(filter %$X,$(ALL_PROGRAMS) $(BUILT_INS) git$X)), test '$p' -ef '$p$X' || $(RM) '$p';)
 endif
 
 all::
@@ -1248,7 +1264,6 @@ $(patsubst %.sh,%,$(SCRIPT_SH)) : % : %.sh
        $(QUIET_GEN)$(RM) $@ $@+ && \
        sed -e '1s|#!.*/sh|#!$(SHELL_PATH_SQ)|' \
            -e 's|@SHELL_PATH@|$(SHELL_PATH_SQ)|' \
-           -e 's|@@PERL@@|$(PERL_PATH_SQ)|g' \
            -e 's/@@GIT_VERSION@@/$(GIT_VERSION)/g' \
            -e 's/@@NO_CURL@@/$(NO_CURL)/g' \
            $@.sh >$@+ && \
@@ -1267,7 +1282,7 @@ $(patsubst %.perl,%,$(SCRIPT_PERL)): % : %.perl
        sed -e '1{' \
            -e '        s|#!.*perl|#!$(PERL_PATH_SQ)|' \
            -e '        h' \
-           -e '        s=.*=use lib (split(/:/, $$ENV{GITPERLLIB} || "@@INSTLIBDIR@@"));=' \
+           -e '        s=.*=use lib (split(/$(pathsep)/, $$ENV{GITPERLLIB} || "@@INSTLIBDIR@@"));=' \
            -e '        H' \
            -e '        x' \
            -e '}' \
@@ -1549,6 +1564,7 @@ endif
        bindir=$$(cd '$(DESTDIR_SQ)$(bindir_SQ)' && pwd) && \
        execdir=$$(cd '$(DESTDIR_SQ)$(gitexec_instdir_SQ)' && pwd) && \
        { $(RM) "$$execdir/git-add$X" && \
+               test -z "$(NO_CROSS_DIRECTORY_HARDLINKS)" && \
                ln "$$bindir/git$X" "$$execdir/git-add$X" 2>/dev/null || \
                cp "$$bindir/git$X" "$$execdir/git-add$X"; } && \
        { for p in $(filter-out git-add$X,$(BUILT_INS)); do \