build: allow disabling examples with --disable-examples

Author: Christian Hergert

Makefile.am

@@ -15,10 +15,13 @@ endif
 AM_CTAGSFLAGS = --fields=+l --languages=c
 
 include doc/Makefile.am
-include examples/Makefile.am
 include src/Makefile.am
 include tests/Makefile.am
 
+if ENABLE_EXAMPLES
+include examples/Makefile.am
+endif
+
 # for EXTRA_DIST
 include build/cmake/Makefile.am
 

build/autotools/ReadCommandLineArguments.m4

@@ -90,3 +90,9 @@ AC_ARG_ENABLE([yelp],
                               [Install yelp manuals.])],
               [],
               [enable_yelp=no])
+
+AC_ARG_ENABLE([examples],
+              [AS_HELP_STRING([--enable-examples=@<:@yes/no@:>@],
+                              [Build MongoDB C Driver examples.])],
+              [],
+              [enable_examples=yes])

build/autotools/SetupAutomake.m4

@@ -32,6 +32,9 @@ AM_CONDITIONAL([WITH_LIBBSON],[test "$with_libbson" = "bundled"])
 # Should we avoid extra BSON_LIBS when linking (SunStudio)
 AM_CONDITIONAL([EXPLICIT_LIBS],[test "$with_gnu_ld" = "yes"])
 
+# Should we build the examples.
+AM_CONDITIONAL([ENABLE_EXAMPLES],[test "$enable_examples" = "yes"])
+
 # Should we build man pages
 AM_CONDITIONAL([ENABLE_MAN_PAGES],[test "$enable_man_pages" = "yes"])