Add the examples to autotools, run with make check

Author: elichai

.gitignore

@@ -10,10 +10,14 @@ tests
 exhaustive_tests
 gen_context
 valgrind_ctime_test
+keygen_example
+ecdh_example
 *.exe
 *.so
 *.a
 !.gitignore
+*.log
+*.trs
 
 Makefile
 configure

Makefile.am

@@ -121,6 +121,23 @@ exhaustive_tests_LDFLAGS = -static
 TESTS += exhaustive_tests
 endif
 
+if USE_EXAMPLES
+noinst_PROGRAMS += keygen_example
+keygen_example_SOURCES = examples/keygen.c
+keygen_example_CPPFLAGS = -I$(top_srcdir)/include $(SECP_INCLUDES)
+keygen_example_LDADD = libsecp256k1.la $(SECP_LIBS)
+keygen_example_LDFLAGS = -static
+TESTS += keygen_example
+if ENABLE_MODULE_ECDH
+noinst_PROGRAMS += ecdh_example
+ecdh_example_SOURCES = examples/ecdh.c
+ecdh_example_CPPFLAGS = -I$(top_srcdir)/include $(SECP_INCLUDES)
+ecdh_example_LDADD = libsecp256k1.la $(SECP_LIBS)
+ecdh_example_LDFLAGS = -static
+TESTS += ecdh_example
+endif
+endif
+
 if USE_ECMULT_STATIC_PRECOMPUTATION
 CPPFLAGS_FOR_BUILD +=-I$(top_srcdir) -I$(builddir)/src
 

configure.ac

@@ -116,6 +116,11 @@ AC_ARG_ENABLE(exhaustive_tests,
     [use_exhaustive_tests=$enableval],
     [use_exhaustive_tests=yes])
 
+    AC_ARG_ENABLE(examples,
+    AS_HELP_STRING([--enable-examples],[compile the examples [default=yes]]),
+    [use_examples=$enableval],
+    [use_examples=yes])
+
 AC_ARG_ENABLE(endomorphism,
     AS_HELP_STRING([--enable-endomorphism],[enable endomorphism [default=no]]),
     [use_endomorphism=$enableval],
@@ -527,6 +532,7 @@ AC_SUBST(SECP_TEST_INCLUDES)
 AM_CONDITIONAL([ENABLE_COVERAGE], [test x"$enable_coverage" = x"yes"])
 AM_CONDITIONAL([USE_TESTS], [test x"$use_tests" != x"no"])
 AM_CONDITIONAL([USE_EXHAUSTIVE_TESTS], [test x"$use_exhaustive_tests" != x"no"])
+AM_CONDITIONAL([USE_EXAMPLES], [test x"$use_examples" != x"no"])
 AM_CONDITIONAL([USE_BENCHMARK], [test x"$use_benchmark" = x"yes"])
 AM_CONDITIONAL([USE_ECMULT_STATIC_PRECOMPUTATION], [test x"$set_precomp" = x"yes"])
 AM_CONDITIONAL([ENABLE_MODULE_ECDH], [test x"$enable_module_ecdh" = x"yes"])