From 2b7ee000cd3dd49283f73a95bb0a09cb2de7039f Mon Sep 17 00:00:00 2001
From: grischka <grischka>
Date: Thu, 15 Dec 2016 17:04:07 +0100
Subject: [PATCH] tests: add .so/.dll creation test

Also remove bitfield test from tcctest.c because gcc
versions don't agree among each other.
---
 configure       |  3 +++
 tests/Makefile  | 20 ++++++++++++++++++++
 tests/tcctest.c |  9 ---------
 3 files changed, 23 insertions(+), 9 deletions(-)

diff --git a/configure b/configure
index f02d6e4..42821ce 100755
--- a/configure
+++ b/configure
@@ -38,6 +38,7 @@ bigendian="no"
 mingw32="no"
 LIBSUF=".a"
 EXESUF=""
+DLLSUF=".so"
 tcc_sysincludepaths=""
 tcc_libpaths=""
 tcc_crtprefix=""
@@ -222,6 +223,7 @@ if test "$mingw32" = "yes" ; then
     infodir="${sharedir}/info"
     LIBSUF=".lib"
     EXESUF=".exe"
+    DLLSUF=".dll"
 else
     if test -z "$prefix" ; then
       prefix="/usr/local"
@@ -416,6 +418,7 @@ CFLAGS=$CFLAGS
 LDFLAGS=$LDFLAGS
 LIBSUF=$LIBSUF
 EXESUF=$EXESUF
+DLLSUF=$DLLSUF
 EOF
 
 print_inc() {
diff --git a/tests/Makefile b/tests/Makefile
index 50b3a8c..a86e8a2 100644
--- a/tests/Makefile
+++ b/tests/Makefile
@@ -13,6 +13,7 @@ TESTS = \
  hello-run \
  libtest \
  test3 \
+ dlltest \
  abitest \
  vla_test-run \
  tests2-dir \
@@ -40,6 +41,9 @@ endif
 ifeq ($(CONFIG_arm_eabi),yes)
  TESTS := $(filter-out test3,$(TESTS))
 endif
+ifeq (,$(filter i386 x86-64,$(ARCH)))
+ TESTS := $(filter-out dlltest,$(TESTS))
+endif
 
 # run local version of tcc with local libraries and includes
 TCCFLAGS = -B$(TOP) -I$(TOPSRC)/include -I$(TOPSRC) -I$(TOP)
@@ -126,6 +130,22 @@ test4: tcctest.c test.ref
 	./tcctest2 > test2.out
 	@if diff -u test.ref test2.out ; then echo "Static Auto Test OK"; fi
 
+# use tcc to create libtcc.so/.dll and the tcc(.exe) frontend and run them
+dlltest:
+	@echo ------------ $@ ------------
+	$(TCC) -DONE_SOURCE $(NATIVE_DEFINES) -DLIBTCC_AS_DLL ../libtcc.c $(LIBS) -shared -o libtcc2$(DLLSUF)
+	$(TCC) $(NATIVE_DEFINES) ../tcc.c libtcc2$(DLLSUF) $(LIBS) -Wl,-rpath=. -o tcc2$(EXESUF)
+	./tcc2$(EXESUF) $(TCCFLAGS) $(RUN_TCC) -run ../examples/ex1.c
+ifndef CONFIG_WIN32
+	@echo ------------ $@ with PIC ------------
+	$(CC) $(CFLAGS) -fPIC -DONE_SOURCE $(NATIVE_DEFINES) -DLIBTCC_AS_DLL -c ../libtcc.c
+	$(TCC) libtcc.o $(LIBS) -shared -o libtcc2$(DLLSUF)
+	$(TCC) $(NATIVE_DEFINES) ../tcc.c libtcc2$(DLLSUF) $(LIBS) -Wl,-rpath=. -o tcc2$(EXESUF)
+	./tcc2$(EXESUF) $(TCCFLAGS) $(RUN_TCC) -run ../examples/ex1.c
+endif
+	@rm tcc2$(EXESUF) libtcc2$(DLLSUF)
+
+
 # memory and bound check auto test
 BOUNDS_OK  = 1 4 8 10 14
 BOUNDS_FAIL= 2 5 7 9 11 12 13 15
diff --git a/tests/tcctest.c b/tests/tcctest.c
index b0fe8f3..5851fb4 100644
--- a/tests/tcctest.c
+++ b/tests/tcctest.c
@@ -1634,15 +1634,6 @@ void bitfield_test(void)
     st2.f3 = a;
     st2.f2++;
     printf("%lld %lld %lld\n", st2.f1, st2.f2, st2.f3);
-    struct sbf3 {
-        int f1 : 7;
-        int f2 : 1;
-        char f3;
-        int f4 : 8;
-        int f5 : 1;
-        int f6 : 16;
-    } st3;
-    printf("sizeof(st3) = %d\n", sizeof(st3));
 }
 
 #ifdef __x86_64__