[tor-commits] [tor/master] build: Always compile module support for tests

[nickm@xxxxxxxxxxxxxx]

commit 43bba89656cce89964f260d46f2550ab9af00c9e
Author: David Goulet <dgoulet@xxxxxxxxxxxxxx>
Date:   Fri Apr 27 11:33:22 2018 -0400

    build: Always compile module support for tests
    
    The --disable-module-* configure option removes code from the final binary but
    we still build the unit tests with the disable module(s) so we can actually
    test that code path all the time and not forget about it.
    
    Signed-off-by: David Goulet <dgoulet@xxxxxxxxxxxxxx>
---
 Makefile.am       |  6 +++---
 configure.ac      | 12 ++++++++++++
 src/or/include.am | 11 +++++++----
 3 files changed, 22 insertions(+), 7 deletions(-)

diff --git a/Makefile.am b/Makefile.am
index cccad6c5e..163b650bb 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -51,14 +51,14 @@ AM_ETAGSFLAGS=--regex='{c}/MOCK_IMPL([^,]+,\W*\([a-zA-Z0-9_]+\)\W*,/\1/s'
 if COVERAGE_ENABLED
 TEST_CFLAGS=-fno-inline -fprofile-arcs -ftest-coverage
 if DISABLE_ASSERTS_IN_UNIT_TESTS
-TEST_CPPFLAGS=-DTOR_UNIT_TESTS -DTOR_COVERAGE -DDISABLE_ASSERTS_IN_UNIT_TESTS
+TEST_CPPFLAGS=-DTOR_UNIT_TESTS -DTOR_COVERAGE -DDISABLE_ASSERTS_IN_UNIT_TESTS @TOR_MODULES_ALL_ENABLED@
 else
-TEST_CPPFLAGS=-DTOR_UNIT_TESTS -DTOR_COVERAGE
+TEST_CPPFLAGS=-DTOR_UNIT_TESTS -DTOR_COVERAGE @TOR_MODULES_ALL_ENABLED@
 endif
 TEST_NETWORK_FLAGS=--coverage --hs-multi-client 1
 else
 TEST_CFLAGS=
-TEST_CPPFLAGS=-DTOR_UNIT_TESTS
+TEST_CPPFLAGS=-DTOR_UNIT_TESTS @TOR_MODULES_ALL_ENABLED@
 TEST_NETWORK_FLAGS=--hs-multi-client 1
 endif
 TEST_NETWORK_WARNING_FLAGS=--quiet --only-warnings
diff --git a/configure.ac b/configure.ac
index b423ea95e..ae2c42055 100644
--- a/configure.ac
+++ b/configure.ac
@@ -234,6 +234,9 @@ dnl ---
 dnl Tor modules options. These options are namespaced with --disable-module-XXX
 dnl ---
 
+dnl All our modules.
+m4_define(MODULES, dirauth)
+
 dnl Directory Authority module.
 AC_ARG_ENABLE([module-dirauth],
               AS_HELP_STRING([--disable-module-dirauth],
@@ -243,6 +246,15 @@ AC_ARG_ENABLE([module-dirauth],
                         [Compile with Directory Authority feature support]))
 AM_CONDITIONAL(BUILD_MODULE_DIRAUTH, [test "x$enable_module_dirauth" != "xno"])
 
+dnl Helper variables.
+TOR_MODULES_ALL_ENABLED=
+AC_DEFUN([ADD_MODULE], [
+    MODULE=m4_toupper($1)
+    TOR_MODULES_ALL_ENABLED="${TOR_MODULES_ALL_ENABLED} -DHAVE_MODULE_${MODULE}=1"
+])
+m4_foreach_w([module], MODULES, [ADD_MODULE([module])])
+AC_SUBST(TOR_MODULES_ALL_ENABLED)
+
 dnl check for the correct "ar" when cross-compiling.
 dnl   (AM_PROG_AR was new in automake 1.11.2, which we do not yet require,
 dnl    so kludge up a replacement for the case where it isn't there yet.)
diff --git a/src/or/include.am b/src/or/include.am
index 93f405d61..bb505937a 100644
--- a/src/or/include.am
+++ b/src/or/include.am
@@ -114,20 +114,23 @@ LIBTOR_A_SOURCES = \
 
 #
 # Modules are conditionnally compiled in tor starting here. We add the C files
-# only if the modules has been enabled at configure time.
+# only if the modules has been enabled at configure time. We always add the
+# source files of every module to libtor-testing.a so we can build the unit
+# tests for everything.
 #
 
 # The Directory Authority module.
-if BUILD_MODULE_DIRAUTH
-LIBTOR_A_SOURCES += \
+MODULE_DIRAUTH_SOURCES = \
 	src/or/dirauth/dircollate.c				\
 	src/or/dirauth/dirvote.c				\
 	src/or/dirauth/shared_random.c				\
 	src/or/dirauth/shared_random_state.c
+if BUILD_MODULE_DIRAUTH
+LIBTOR_A_SOURCES += $(MODULE_DIRAUTH_SOURCES)
 endif
 
 src_or_libtor_a_SOURCES = $(LIBTOR_A_SOURCES)
-src_or_libtor_testing_a_SOURCES = $(LIBTOR_A_SOURCES)
+src_or_libtor_testing_a_SOURCES = $(LIBTOR_A_SOURCES) $(MODULE_DIRAUTH_SOURCES)
 
 src_or_tor_SOURCES = src/or/tor_main.c
 AM_CPPFLAGS += -I$(srcdir)/src/or -Isrc/or



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