show-branch -g: default to HEAD

diff --git a/configure.ac b/configure.ac
index 511cac93d6cec11f3717e810d0c80b27646a5713..7cfb3a0666ef88dca43598ebe879f53787b4efab 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -75,43 +75,15 @@ GIT_ARG_SET_PATH(shell)
 # Define PERL_PATH to provide path to Perl.
 GIT_ARG_SET_PATH(perl)
 #
-# Define NO_PYTHON if you want to lose all benefits of the recursive merge.
-# Define PYTHON_PATH to provide path to Python.
-AC_ARG_WITH(python,[AS_HELP_STRING([--with-python=PATH], [provide PATH to python])
-AS_HELP_STRING([--without-python], [don't use python scripts])],
- [if test "$withval" = "no"; then \
-    NO_PYTHON=YesPlease; \
-  elif test "$withval" = "yes"; then \
-    NO_PYTHON=; \
-  else \
-    NO_PYTHON=; \
-    PYTHON_PATH=$withval; \
-  fi; \
- ])
-AC_SUBST(NO_PYTHON)
-AC_SUBST(PYTHON_PATH)
 
 
 ## Checks for programs.
 AC_MSG_NOTICE([CHECKS for programs])
 #
-AC_PROG_CC
+AC_PROG_CC([cc gcc])
 #AC_PROG_INSTALL               # needs install-sh or install.sh in sources
 AC_CHECK_TOOL(AR, ar, :)
 AC_CHECK_PROGS(TAR, [gtar tar])
-#
-# Define NO_PYTHON if you want to lose all benefits of the recursive merge.
-# Define PYTHON_PATH to provide path to Python.
-if test -z "$NO_PYTHON"; then
-       if test -z "$PYTHON_PATH"; then
-               AC_PATH_PROGS(PYTHON_PATH, [python python2.4 python2.3 python2])
-       fi
-       if test -n "$PYTHON_PATH"; then
-               GIT_CONF_APPEND_LINE([PYTHON_PATH=@PYTHON_PATH@])
-               NO_PYTHON=""
-       fi
-fi
-
 
 ## Checks for libraries.
 AC_MSG_NOTICE([CHECKS for libraries])
@@ -263,22 +235,6 @@ AC_SUBST(NO_SETENV)
 #
 # Define NO_SYMLINK_HEAD if you never want .git/HEAD to be a symbolic link.
 # Enable it on Windows.  By default, symrefs are still used.
-#
-# Define WITH_OWN_SUBPROCESS_PY if you want to use with python 2.3.
-AC_CACHE_CHECK([for subprocess.py],
- [ac_cv_python_has_subprocess_py],
-[if $PYTHON_PATH -c 'import subprocess' 2>/dev/null; then
-       ac_cv_python_has_subprocess_py=yes
-else
-       ac_cv_python_has_subprocess_py=no
-fi])
-if test $ac_cv_python_has_subprocess_py != yes; then
-       GIT_CONF_APPEND_LINE([WITH_OWN_SUBPROCESS_PY=YesPlease])
-fi
-#
-# Define NO_ACCURATE_DIFF if your diff program at least sometimes misses
-# a missing newline at the end of the file.
-
 
 ## Site configuration (override autodetection)
 ## --with-PACKAGE[=ARG] and --without-PACKAGE
@@ -357,10 +313,6 @@ GIT_PARSE_WITH(iconv))
 
 ## --enable-FEATURE[=ARG] and --disable-FEATURE
 #
-# Define COLLISION_CHECK below if you believe that SHA1's
-# 1461501637330902918203684832716283019655932542976 hashes do not give you
-# sufficient guarantee that no collisions between objects will ever happen.
-#
 # Define USE_NSEC below if you want git to care about sub-second file mtimes
 # and ctimes. Note that you need recent glibc (at least 2.2.4) for this, and
 # it will BREAK YOUR LOCAL DIFFS! show-diff and anything using it will likely