configure.ac: Add an option to disable doc

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>

Makefile.in

@@ -56,6 +56,7 @@ cfghdrs_out := @cfghdrs_out@
 cfgoutputs_in := $(addprefix $(srcroot),@cfgoutputs_in@)
 cfgoutputs_out := @cfgoutputs_out@
 enable_autogen := @enable_autogen@
+enable_doc := @enable_doc@
 enable_shared := @enable_shared@
 enable_static := @enable_static@
 enable_prof := @enable_prof@
@@ -516,7 +517,11 @@ done
 
 install_doc: build_doc install_doc_html install_doc_man
 
-install: install_bin install_include install_lib install_doc
+install: install_bin install_include install_lib
+
+ifeq ($(enable_doc), 1)
+install: install_doc
+endif
 
 tests_unit: $(TESTS_UNIT:$(srcroot)%.c=$(objroot)%$(EXE))
 tests_integration: $(TESTS_INTEGRATION:$(srcroot)%.c=$(objroot)%$(EXE)) $(TESTS_INTEGRATION_CPP:$(srcroot)%.cpp=$(objroot)%$(EXE))

configure.ac

@@ -893,6 +893,19 @@ AC_PROG_RANLIB
 AC_PATH_PROG([LD], [ld], [false], [$PATH])
 AC_PATH_PROG([AUTOCONF], [autoconf], [false], [$PATH])
 
+dnl Enable documentation
+AC_ARG_ENABLE([doc],
+	      [AS_HELP_STRING([--enable-documentation], [Build documentation])],
+if test "x$enable_doc" = "xno" ; then
+  enable_doc="0"
+else
+  enable_doc="1"
+fi
+,
+enable_doc="1"
+)
+AC_SUBST([enable_doc])
+
 dnl Enable shared libs
 AC_ARG_ENABLE([shared],
   [AS_HELP_STRING([--enable-shared], [Build shared libaries])],
@@ -2369,6 +2382,7 @@ AC_MSG_RESULT([JEMALLOC_PRIVATE_NAMESPACE])
 AC_MSG_RESULT([                   : ${JEMALLOC_PRIVATE_NAMESPACE}])
 AC_MSG_RESULT([install_suffix     : ${install_suffix}])
 AC_MSG_RESULT([malloc_conf        : ${config_malloc_conf}])
+AC_MSG_RESULT([documentation      : ${enable_doc}])
 AC_MSG_RESULT([shared libs        : ${enable_shared}])
 AC_MSG_RESULT([static libs        : ${enable_static}])
 AC_MSG_RESULT([autogen            : ${enable_autogen}])