Fix symbol exportation and other things to make all tests pass on MSVC.

test cases/common/46 library chain/subdir/lib1.c

@@ -1,6 +1,17 @@
 int lib2fun();
 int lib3fun();
 
-int libfun() {
+#if defined _WIN32 || defined __CYGWIN__
+  #define DLL_PUBLIC __declspec(dllexport)
+#else
+  #if defined __GNUC__
+    #define DLL_PUBLIC __attribute__ ((visibility("default")))
+  #else
+    #pragma message ("Compiler does not support symbol visibility.")
+    #define DLL_PUBLIC
+  #endif
+#endif
+
+int DLL_PUBLIC libfun() {
   return lib2fun() + lib3fun();
 }

test cases/common/46 library chain/subdir/subdir2/lib2.c

@@ -1,3 +1,14 @@
-int lib2fun() {
+#if defined _WIN32 || defined __CYGWIN__
+  #define DLL_PUBLIC __declspec(dllexport)
+#else
+  #if defined __GNUC__
+    #define DLL_PUBLIC __attribute__ ((visibility("default")))
+  #else
+    #pragma message ("Compiler does not support symbol visibility.")
+    #define DLL_PUBLIC
+  #endif
+#endif
+
+int DLL_PUBLIC lib2fun() {
   return 0;
 }

test cases/common/46 library chain/subdir/subdir3/lib3.c

@@ -1,3 +1,14 @@
-int lib3fun()  {
+#if defined _WIN32 || defined __CYGWIN__
+  #define DLL_PUBLIC __declspec(dllexport)
+#else
+  #if defined __GNUC__
+    #define DLL_PUBLIC __attribute__ ((visibility("default")))
+  #else
+    #pragma message ("Compiler does not support symbol visibility.")
+    #define DLL_PUBLIC
+  #endif
+#endif
+
+int DLL_PUBLIC lib3fun()  {
   return 0;
 }

test cases/common/49 subproject/subprojects/sublib/include/subdefs.h

@@ -1,6 +1,21 @@
 #ifndef SUBDEFS_H_
 #define SUBDEFS_H_
 
-int subfunc();
+#if defined _WIN32 || defined __CYGWIN__
+#if defined BUILDING_SUB
+  #define DLL_PUBLIC __declspec(dllexport)
+#else
+  #define DLL_PUBLIC __declspec(dllimport)
+#endif
+#else
+  #if defined __GNUC__
+    #define DLL_PUBLIC __attribute__ ((visibility("default")))
+  #else
+    #pragma message ("Compiler does not support symbol visibility.")
+    #define DLL_PUBLIC
+  #endif
+#endif
+
+int DLL_PUBLIC subfunc();
 
 #endif

test cases/common/49 subproject/subprojects/sublib/meson.build

@@ -5,6 +5,7 @@ if not meson.is_subproject()
 endif
 
 i = include_directories('include')
-l = shared_library('sublib', 'sublib.c', include_directories : i, install : true)
+l = shared_library('sublib', 'sublib.c', include_directories : i, install : true,
+ c_args : '-DBUILDING_SUB=2')
 t = executable('simpletest', 'simpletest.c', include_directories : i, link_with : l)
 test('plain', t)

test cases/common/49 subproject/subprojects/sublib/sublib.c

@@ -1,5 +1,5 @@
 #include<subdefs.h>
 
-int subfunc() {
+int DLL_PUBLIC subfunc() {
     return 42;
 }

test cases/common/53 subproject subproject/subprojects/a/a.c

@@ -1,4 +1,15 @@
 int func2();
 
-int func() { return func2(); }
+#if defined _WIN32 || defined __CYGWIN__
+  #define DLL_PUBLIC __declspec(dllexport)
+#else
+  #if defined __GNUC__
+    #define DLL_PUBLIC __attribute__ ((visibility("default")))
+  #else
+    #pragma message ("Compiler does not support symbol visibility.")
+    #define DLL_PUBLIC
+  #endif
+#endif
+
+int DLL_PUBLIC func() { return func2(); }
 

test cases/common/53 subproject subproject/subprojects/b/b.c

@@ -1,3 +1,14 @@
-int func2() {
+#if defined _WIN32 || defined __CYGWIN__
+  #define DLL_PUBLIC __declspec(dllexport)
+#else
+  #if defined __GNUC__
+    #define DLL_PUBLIC __attribute__ ((visibility("default")))
+  #else
+    #pragma message ("Compiler does not support symbol visibility.")
+    #define DLL_PUBLIC
+  #endif
+#endif
+
+int DLL_PUBLIC func2() {
     return 42;
 }

test cases/common/60 install script/meson.build

@@ -1,4 +1,8 @@
 project('custom install script', 'c')
 
-meson.set_install_script('myinstall.sh')
+if meson.get_compiler('c').get_id() == 'msvc'
+  meson.set_install_script('myinstall.bat')
+else
+  meson.set_install_script('myinstall.sh')
+endif
 executable('prog', 'prog.c', install : true)

test cases/common/62 exe static shared/subdir/shlib.c

@@ -1,3 +1,14 @@
-int shlibfunc() {
+#if defined _WIN32 || defined __CYGWIN__
+  #define DLL_PUBLIC __declspec(dllexport)
+#else
+  #if defined __GNUC__
+    #define DLL_PUBLIC __attribute__ ((visibility("default")))
+  #else
+    #pragma message ("Compiler does not support symbol visibility.")
+    #define DLL_PUBLIC
+  #endif
+#endif
+
+int DLL_PUBLIC shlibfunc() {
     return 42;
 }

test cases/common/79 shared subproject/subprojects/B/b.c

@@ -1,7 +1,19 @@
 #include<stdlib.h>
+#if defined _WIN32 || defined __CYGWIN__
+#define DLL_PUBLIC __declspec(dllexport)
+#else
+  #if defined __GNUC__
+    #define DLL_PUBLIC __attribute__ ((visibility("default")))
+  #else
+    #pragma message ("Compiler does not support symbol visibility.")
+    #define DLL_PUBLIC
+  #endif
+#endif
+
+
 char func_c();
 
-char func_b() {
+char DLL_PUBLIC func_b() {
     if(func_c() != 'c') {
         exit(3);
     }

test cases/common/79 shared subproject/subprojects/C/c.c

@@ -1,3 +1,14 @@
-char func_c() {
+#if defined _WIN32 || defined __CYGWIN__
+#define DLL_PUBLIC __declspec(dllexport)
+#else
+  #if defined __GNUC__
+    #define DLL_PUBLIC __attribute__ ((visibility("default")))
+  #else
+    #pragma message ("Compiler does not support symbol visibility.")
+    #define DLL_PUBLIC
+  #endif
+#endif
+
+char DLL_PUBLIC func_c() {
     return 'c';
 }

test cases/common/80 shared subproject 2/subprojects/B/b.c

@@ -1,7 +1,18 @@
 #include<stdlib.h>
 char func_c();
 
-char func_b() {
+#if defined _WIN32 || defined __CYGWIN__
+#define DLL_PUBLIC __declspec(dllexport)
+#else
+  #if defined __GNUC__
+    #define DLL_PUBLIC __attribute__ ((visibility("default")))
+  #else
+    #pragma message ("Compiler does not support symbol visibility.")
+    #define DLL_PUBLIC
+  #endif
+#endif
+
+char DLL_PUBLIC func_b() {
     if(func_c() != 'c') {
         exit(3);
     }

test cases/common/80 shared subproject 2/subprojects/C/c.c

@@ -1,3 +1,14 @@
-char func_c() {
+#if defined _WIN32 || defined __CYGWIN__
+#define DLL_PUBLIC __declspec(dllexport)
+#else
+  #if defined __GNUC__
+    #define DLL_PUBLIC __attribute__ ((visibility("default")))
+  #else
+    #pragma message ("Compiler does not support symbol visibility.")
+    #define DLL_PUBLIC
+  #endif
+#endif
+
+char DLL_PUBLIC func_c() {
     return 'c';
 }

test cases/common/82 custom subproject dir/custom_subproject_dir/B/b.c

@@ -1,7 +1,18 @@
 #include<stdlib.h>
 char func_c();
 
-char func_b() {
+#if defined _WIN32 || defined __CYGWIN__
+#define DLL_PUBLIC __declspec(dllexport)
+#else
+  #if defined __GNUC__
+    #define DLL_PUBLIC __attribute__ ((visibility("default")))
+  #else
+    #pragma message ("Compiler does not support symbol visibility.")
+    #define DLL_PUBLIC
+  #endif
+#endif
+
+char DLL_PUBLIC func_b() {
     if(func_c() != 'c') {
         exit(3);
     }

test cases/common/82 custom subproject dir/custom_subproject_dir/C/c.c

@@ -1,3 +1,14 @@
-char func_c() {
+#if defined _WIN32 || defined __CYGWIN__
+#define DLL_PUBLIC __declspec(dllexport)
+#else
+  #if defined __GNUC__
+    #define DLL_PUBLIC __attribute__ ((visibility("default")))
+  #else
+    #pragma message ("Compiler does not support symbol visibility.")
+    #define DLL_PUBLIC
+  #endif
+#endif
+
+char DLL_PUBLIC func_c() {
     return 'c';
 }

test cases/common/86 same basename/lib.c

@@ -1,5 +1,16 @@
+#if defined _WIN32 || defined __CYGWIN__
+#define DLL_PUBLIC __declspec(dllexport)
+#else
+  #if defined __GNUC__
+    #define DLL_PUBLIC __attribute__ ((visibility("default")))
+  #else
+    #pragma message ("Compiler does not support symbol visibility.")
+    #define DLL_PUBLIC
+  #endif
+#endif
+
 #if defined SHAR
-int func() {
+int DLL_PUBLIC func() {
     return 1;
 }
 #elif defined STAT