Enable function GetProcessMemoryInfo() to get reliable memory usage data

for MINGW and MSVC console, WinGui and MSVC shared ngspice.
MINGW shared ngspice does not link to psapi.dll, so cannot
apply  GetProcessMemoryInfo(),  but sticks to unreliable function
GlobalMemoryStatusEx().

src/Makefile.am

@@ -334,6 +334,15 @@ if WINGUI
 LIBS += -lpsapi
 endif
 
+if WINCONSOLE
+LIBS += -lpsapi
+endif
+
+## FIXME: Should be allwed, but fails within MSYS2
+#if SHWIN
+#LIBS += -lpsapi
+#endif
+
 CLEANFILES = ngspice.idx spinit tclspinit pkgIndex.tcl
 
 MAINTAINERCLEANFILES = Makefile.in

src/frontend/resource.c

@@ -479,7 +479,8 @@ fprintmem(FILE *stream, unsigned long long memory) {
 static int get_procm(struct proc_mem *memall) {
 
 #if defined(_MSC_VER) || defined(__MINGW32__)
-#if (_WIN32_WINNT >= 0x0500) && defined(HAS_WINGUI)
+    /* FIXME: shared module should be allowed, but currently does not link to psapi within MINGW/MSYS2 */
+#if (_WIN32_WINNT >= 0x0500) && (!defined(SHARED_MODULE) || _MSC_VER)
 /* Use Windows API function to obtain size of memory - more accurate */
     HANDLE hProcess;
     PROCESS_MEMORY_COUNTERS pmc;