Added --with-python and --disable-clibs configure options.

Makefile.in

@@ -7,33 +7,33 @@ export exec_prefix=@exec_prefix@
 export LIBDIR=@libdir@
 export INSTALL_OPTIONS=@INSTALL_OPTIONS@
 
-PYTHON=python
+BUILD_C_LIBS=@BUILD_C_LIBS@
+PYTHON=@PYTHON@
 SRC_C_DIR="./src/C"
 
 .PHONY: all install build deps clean uninstall
 
 all: build
 
-install:
-	make -C $(SRC_C_DIR) install
+install: build
 	$(PYTHON) ./setup.py install
-	ldconfig || true
-
-build:
-	make -C $(SRC_C_DIR)
-	$(PYTHON) ./setup.py build
+	if [ "$(BUILD_C_LIBS)" -eq "1" ]; then ldconfig || true; fi
 
 deps:
 	./deps.sh
 
+build:
+	if [ "$(BUILD_C_LIBS)" -eq "1" ]; then make -C $(SRC_C_DIR); fi
+	$(PYTHON) ./setup.py build
+
 clean:
-	make -C $(SRC_C_DIR) clean
+	if [ "$(BUILD_C_LIBS)" -eq "1" ]; then make -C $(SRC_C_DIR) clean; fi
 	$(PYTHON) ./setup.py clean
 
 distclean: clean
-	make -C $(SRC_C_DIR) distclean
+	if [ "$(BUILD_C_LIBS)" -eq "1" ]; then make -C $(SRC_C_DIR) distclean; fi
 	rm -rf Makefile config.* *.cache
 
 uninstall:
-	make -C $(SRC_C_DIR) uninstall
+	if [ "$(BUILD_C_LIBS)" -eq "1" ]; then make -C $(SRC_C_DIR) uninstall; fi
 	$(PYTHON) ./setup.py uninstall

configure

@@ -602,6 +602,8 @@ ac_subst_vars='LTLIBOBJS
 INSTALL_OPTIONS
 SOEXT
 SONAME
+PYTHON
+BUILD_C_LIBS
 LIBOBJS
 EGREP
 GREP
@@ -654,6 +656,8 @@ SHELL'
 ac_subst_files=''
 ac_user_opts='
 enable_option_checking
+with_python
+enable_clibs
 '
       ac_precious_vars='build_alias
 host_alias
@@ -1269,6 +1273,18 @@ if test -n "$ac_init_help"; then
 
   cat <<\_ACEOF
 
+Optional Features:
+  --disable-option-checking  ignore unrecognized --enable/--with options
+  --disable-FEATURE       do not include FEATURE (same as --enable-FEATURE=no)
+  --enable-FEATURE[=ARG]  include FEATURE [ARG=yes]
+  --disable-clibs         do not build/install dependent c libraries
+
+Optional Packages:
+  --with-PACKAGE[=ARG]    use PACKAGE [ARG=yes]
+  --without-PACKAGE       do not use PACKAGE (same as --with-PACKAGE=no)
+  --with-python=python    explicitly install using the specified python
+                          interpreter (python2, python3, etc)
+
 Some influential environment variables:
   CC          C compiler command
   CFLAGS      C compiler flags
@@ -3274,6 +3290,23 @@ fi
 
 
 
+
+# Check whether --with-python was given.
+if test "${with_python+set}" = set; then :
+  withval=$with_python; PYTHON=$withval
+else
+  PYTHON=python
+fi
+
+
+# Check whether --enable-clibs was given.
+if test "${enable_clibs+set}" = set; then :
+  enableval=$enable_clibs; BUILD_C_LIBS=0
+else
+  BUILD_C_LIBS=1
+fi
+
+
 CFLAGS="-Wall -fPIC $CFLAGS"
 
 if test "$(uname)" == "Darwin"
@@ -3287,8 +3320,15 @@ else
 	INSTALL_OPTIONS="-D -m644"
 fi
 
-(cd ./src/C/file-*/ && autoreconf -v && ./configure) || exit 1
-(cd ./src/C/ssdeep-*/ && autoreconf -v && ./configure) || exit 1
+if test "$BUILD_C_LIBS" != "0"
+then
+    (cd ./src/C/file-*/ && autoreconf -v && ./configure) || exit 1
+    (cd ./src/C/ssdeep-*/ && autoreconf -v && ./configure) || exit 1
+fi
+
+BUILD_C_LIBS=$BUILD_C_LIBS
+
+PYTHON=$PYTHON
 
 SONAME=$SONAME
 

configure.ac

@@ -7,6 +7,16 @@ AC_LANG(C)
 AC_TYPE_SIZE_T
 AC_FUNC_MALLOC
 
+AC_ARG_WITH([python],
+            [AS_HELP_STRING([--with-python=python], [explicitly install using the specified python interpreter (python2, python3, etc)])],
+            [PYTHON=$withval],
+            [PYTHON=python])
+
+AC_ARG_ENABLE([clibs],
+              [AS_HELP_STRING([--disable-clibs], [do not build/install dependent c libraries])],
+              [BUILD_C_LIBS=0],
+              [BUILD_C_LIBS=1])
+
 CFLAGS="-Wall -fPIC $CFLAGS"
 
 if test "$(uname)" == "Darwin"
@@ -19,10 +29,16 @@ else
 	SOEXT="so"
 	INSTALL_OPTIONS="-D -m644"
 fi
+dnl AS_IF([test "x$enable_foo" != "xno"], [
 
-(cd ./src/C/file-*/ && autoreconf -v && ./configure) || exit 1
-(cd ./src/C/ssdeep-*/ && autoreconf -v && ./configure) || exit 1
+if test "$BUILD_C_LIBS" != "0"
+then
+    (cd ./src/C/file-*/ && autoreconf -v && ./configure) || exit 1
+    (cd ./src/C/ssdeep-*/ && autoreconf -v && ./configure) || exit 1
+fi
 
+AC_SUBST(BUILD_C_LIBS, $BUILD_C_LIBS)
+AC_SUBST(PYTHON, $PYTHON)
 AC_SUBST(SONAME, $SONAME)
 AC_SUBST(SOEXT, $SOEXT)
 AC_SUBST(INSTALL_OPTIONS, $INSTALL_OPTIONS)