Merge branch 'jc/config-mak-document-darwin-vs-macosx'

* jc/config-mak-document-darwin-vs-macosx:
config.mak.uname: add hint on uname_R for MacOS X
config.mak.uname: set NO_APPLE_COMMON_CRYPTO on older systems

diff --combined config.mak.uname
index 15ee15e98c2cb232e1e42315dc44f7efd87b4f1c,fde196f63ab4b6f6a31dfe490c93b65f059ef756..a2f380fd8dbb852ceeb4933b1b942e0e4803f44a
--- 1/config.mak.uname
--- 2/config.mak.uname
+++ b/config.mak.uname
@@@ -28,16 -28,13 +28,16 @@@ ifeq ($(uname_S),OSF1
        NO_NSEC = YesPlease
  endif
  ifeq ($(uname_S),Linux)
 +      HAVE_ALLOCA_H = YesPlease
        NO_STRLCPY = YesPlease
        NO_MKSTEMPS = YesPlease
        HAVE_PATHS_H = YesPlease
        LIBC_CONTAINS_LIBINTL = YesPlease
        HAVE_DEV_TTY = YesPlease
 +      HAVE_CLOCK_GETTIME = YesPlease
  endif
  ifeq ($(uname_S),GNU/kFreeBSD)
 +      HAVE_ALLOCA_H = YesPlease
        NO_STRLCPY = YesPlease
        NO_MKSTEMPS = YesPlease
        HAVE_PATHS_H = YesPlease
@@@ -89,8 -86,13 +89,13 @@@ ifeq ($(uname_S),Darwin
        NEEDS_CRYPTO_WITH_SSL = YesPlease
        NEEDS_SSL_WITH_CRYPTO = YesPlease
        NEEDS_LIBICONV = YesPlease
+       # Note: $(uname_R) gives us the underlying Darwin version.
+       # - MacOS 10.0.* and MacOS 10.1.0 = Darwin 1.*
+       # - MacOS 10.x.* = Darwin (x+4).* for (1 <= x)
+       # i.e. "begins with [15678] and a dot" means "10.4.* or older".
        ifeq ($(shell expr "$(uname_R)" : '[15678]\.'),2)
                OLD_ICONV = UnfortunatelyYes
+               NO_APPLE_COMMON_CRYPTO = YesPlease
        endif
        ifeq ($(shell expr "$(uname_R)" : '[15]\.'),2)
                NO_STRLCPY = YesPlease
@@@ -106,7 -108,6 +111,7 @@@ ifeq ($(uname_S),SunOS
        NEEDS_NSL = YesPlease
        SHELL_PATH = /bin/bash
        SANE_TOOL_PATH = /usr/xpg6/bin:/usr/xpg4/bin
 +      HAVE_ALLOCA_H = YesPlease
        NO_STRCASESTR = YesPlease
        NO_MEMMEM = YesPlease
        NO_MKDTEMP = YesPlease
@@@ -149,7 -150,7 +154,7 @@@
        endif
        INSTALL = /usr/ucb/install
        TAR = gtar
 -      BASIC_CFLAGS += -D__EXTENSIONS__ -D__sun__ -DHAVE_ALLOCA_H
 +      BASIC_CFLAGS += -D__EXTENSIONS__ -D__sun__
  endif
  ifeq ($(uname_O),Cygwin)
        ifeq ($(shell expr "$(uname_R)" : '1\.[1-6]\.'),4)
@@@ -168,7 -169,6 +173,7 @@@
        else
                NO_REGEX = UnfortunatelyYes
        endif
 +      HAVE_ALLOCA_H = YesPlease
        NEEDS_LIBICONV = YesPlease
        NO_FAST_WORKING_DIRECTORY = UnfortunatelyYes
        NO_ST_BLOCKS_IN_STRUCT_STAT = YesPlease
@@@ -243,7 -243,6 +248,7 @@@ ifeq ($(uname_S),AIX
  endif
  ifeq ($(uname_S),GNU)
        # GNU/Hurd
 +      HAVE_ALLOCA_H = YesPlease
        NO_STRLCPY = YesPlease
        NO_MKSTEMPS = YesPlease
        HAVE_PATHS_H = YesPlease
@@@ -318,7 -317,6 +323,7 @@@ endi
  ifeq ($(uname_S),Windows)
        GIT_VERSION := $(GIT_VERSION).MSVC
        pathsep = ;
 +      HAVE_ALLOCA_H = YesPlease
        NO_PREAD = YesPlease
        NEEDS_CRYPTO_WITH_SSL = YesPlease
        NO_LIBGEN_H = YesPlease
@@@ -327,6 -325,7 +332,6 @@@
        NO_IPV6 = YesPlease
        NO_UNIX_SOCKETS = YesPlease
        NO_SETENV = YesPlease
 -      NO_UNSETENV = YesPlease
        NO_STRCASESTR = YesPlease
        NO_STRLCPY = YesPlease
        NO_MEMMEM = YesPlease
@@@ -354,7 -353,6 +359,7 @@@
        NO_POSIX_GOODIES = UnfortunatelyYes
        NATIVE_CRLF = YesPlease
        DEFAULT_HELP_FORMAT = html
 +      NO_D_INO_IN_DIRENT = YesPlease
  
        CC = compat/vcbuild/scripts/clink.pl
        AR = compat/vcbuild/scripts/lib.pl
@@@ -363,17 -361,17 +368,17 @@@
        COMPAT_OBJS = compat/msvc.o compat/winansi.o \
                compat/win32/pthread.o compat/win32/syslog.o \
                compat/win32/dirent.o
 -      COMPAT_CFLAGS = -D__USE_MINGW_ACCESS -DNOGDI -DHAVE_STRING_H -DHAVE_ALLOCA_H -Icompat -Icompat/regex -Icompat/win32 -DSTRIP_EXTENSION=\".exe\"
 -      BASIC_LDFLAGS = -IGNORE:4217 -IGNORE:4049 -NOLOGO -SUBSYSTEM:CONSOLE -NODEFAULTLIB:MSVCRT.lib
 +      COMPAT_CFLAGS = -D__USE_MINGW_ACCESS -DNOGDI -DHAVE_STRING_H -Icompat -Icompat/regex -Icompat/win32 -DSTRIP_EXTENSION=\".exe\"
 +      BASIC_LDFLAGS = -IGNORE:4217 -IGNORE:4049 -NOLOGO -SUBSYSTEM:CONSOLE
        EXTLIBS = user32.lib advapi32.lib shell32.lib wininet.lib ws2_32.lib invalidcontinue.obj
        PTHREAD_LIBS =
        lib =
  ifndef DEBUG
 -      BASIC_CFLAGS += -GL -Os -MT
 +      BASIC_CFLAGS += -GL -Os -MD
        BASIC_LDFLAGS += -LTCG
        AR += -LTCG
  else
 -      BASIC_CFLAGS += -Zi -MTd
 +      BASIC_CFLAGS += -Zi -MDd
  endif
        X = .exe
  endif
@@@ -471,7 -469,6 +476,7 @@@ ifeq ($(uname_S),NONSTOP_KERNEL
  endif
  ifneq (,$(findstring MINGW,$(uname_S)))
        pathsep = ;
 +      HAVE_ALLOCA_H = YesPlease
        NO_PREAD = YesPlease
        NEEDS_CRYPTO_WITH_SSL = YesPlease
        NO_LIBGEN_H = YesPlease
@@@ -479,6 -476,7 +484,6 @@@
        NO_SYMLINK_HEAD = YesPlease
        NO_UNIX_SOCKETS = YesPlease
        NO_SETENV = YesPlease
 -      NO_UNSETENV = YesPlease
        NO_STRCASESTR = YesPlease
        NO_STRLCPY = YesPlease
        NO_MEMMEM = YesPlease
@@@ -503,7 -501,6 +508,7 @@@
        NO_INET_NTOP = YesPlease
        NO_POSIX_GOODIES = UnfortunatelyYes
        DEFAULT_HELP_FORMAT = html
 +      NO_D_INO_IN_DIRENT = YesPlease
        COMPAT_CFLAGS += -D__USE_MINGW_ACCESS -D_USE_32BIT_TIME_T -DNOGDI -Icompat -Icompat/win32
        COMPAT_CFLAGS += -DSTRIP_EXTENSION=\".exe\"
        COMPAT_OBJS += compat/mingw.o compat/winansi.o \