[Build] Fix latest MSVC and CLang compiler errors (alliedmodders#1008)

* Explicit cast specification

* Explicit cast specification

* Suppress -Wno-tautological-compare in Clang 10 and above

https://reviews.llvm.org/rG8b0d14a8f0cc085afa2a9c86c237da81c74517fc

* Explicit cast specification

* Add HAVE_STDINT_H compiler flag

* Explicit casting mechanism type specification

* typo

Author: ShootingKing-AM

AMBuildScript

@@ -231,6 +231,8 @@ class AMXXConfig(object):
         cxx.cflags += ['-Wno-address-of-packed-member']		
     if have_clang:
       cxx.cxxflags += ['-Wno-implicit-exception-spec-mismatch']
+      if cxx.version >= '10.0':
+        cxx.cxxflags += ['-Wno-tautological-compare']
       if cxx.version >= 'apple-clang-10.0':
         cxx.cxxflags += [
           '-Wno-inconsistent-missing-override',

amxmodx/amxmodx.cpp

@@ -1434,7 +1434,7 @@ static cell AMX_NATIVE_CALL show_menu(AMX *amx, cell *params) /* 3 param */
 				pPlayer->vgui = false;
 
 				if (time == -1)
-					pPlayer->menuexpire = INFINITE;
+					pPlayer->menuexpire = static_cast<float>(INFINITE);
 				else
 					pPlayer->menuexpire = gpGlobals->time + static_cast<float>(time);
 
@@ -1452,7 +1452,7 @@ static cell AMX_NATIVE_CALL show_menu(AMX *amx, cell *params) /* 3 param */
 			pPlayer->vgui = false;
 
 			if (time == -1)
-				pPlayer->menuexpire = INFINITE;
+				pPlayer->menuexpire = static_cast<float>(INFINITE);
 			else
 				pPlayer->menuexpire = gpGlobals->time + static_cast<float>(time);
 

amxmodx/newmenus.cpp

@@ -930,7 +930,7 @@ static cell AMX_NATIVE_CALL menu_display(AMX *amx, cell *params)
 		time = params[4];
 
 	if (time < 0)
-		pPlayer->menuexpire = INFINITE;
+		pPlayer->menuexpire = static_cast<float>(INFINITE);
 	else
 		pPlayer->menuexpire = gpGlobals->time + static_cast<float>(time);
 

modules/cstrike/csx/AMBuilder

@@ -3,6 +3,10 @@ import os.path
 
 binary = AMXX.MetaModule(builder, 'csx')
 
+binary.compiler.defines += [
+  'HAVE_STDINT_H',
+]
+
 binary.sources = [
   '../../../public/sdk/amxxmodule.cpp',
   'CRank.cpp',

modules/dod/dodfun/AMBuilder

@@ -3,6 +3,10 @@ import os.path
 
 binary = AMXX.MetaModule(builder, 'dodfun')
 
+binary.compiler.defines += [
+  'HAVE_STDINT_H',
+]
+
 binary.sources = [
   '../../../public/sdk/amxxmodule.cpp',
   'NBase.cpp',

modules/dod/dodx/AMBuilder

@@ -3,6 +3,10 @@ import os.path
 
 binary = AMXX.MetaModule(builder, 'dodx')
 
+binary.compiler.defines += [
+  'HAVE_STDINT_H',
+]
+
 binary.sources = [
   '../../../public/sdk/amxxmodule.cpp',
   'CRank.cpp',

modules/fun/AMBuilder

@@ -3,6 +3,10 @@ import os.path
 
 binary = AMXX.MetaModule(builder, 'fun')
 
+binary.compiler.defines += [
+  'HAVE_STDINT_H',
+]
+
 binary.sources = [
   '../../public/sdk/amxxmodule.cpp',
   '../../public/memtools/MemoryUtils.cpp',

modules/tfcx/AMBuilder

@@ -3,6 +3,10 @@ import os.path
 
 binary = AMXX.MetaModule(builder, 'tfcx')
 
+binary.compiler.defines += [
+  'HAVE_STDINT_H',
+]
+
 binary.sources = [
   '../../public/sdk/amxxmodule.cpp',
   'CRank.cpp',

modules/ts/tsfun/AMBuilder

@@ -3,6 +3,10 @@ import os.path
 
 binary = AMXX.MetaModule(builder, 'tsfun')
 
+binary.compiler.defines += [
+  'HAVE_STDINT_H',
+]
+
 binary.sources = [
   '../../../public/sdk/amxxmodule.cpp',
 ]

modules/ts/tsx/AMBuilder

@@ -3,6 +3,10 @@ import os.path
 
 binary = AMXX.MetaModule(builder, 'tsx')
 
+binary.compiler.defines += [
+  'HAVE_STDINT_H',
+]
+
 binary.sources = [
   '../../../public/sdk/amxxmodule.cpp',
   'CMisc.cpp',

third_party/sqlite/sqlite3.c

@@ -110245,9 +110245,9 @@ static void roundFunc(sqlite3_context *context, int argc, sqlite3_value **argv){
   ** handle the rounding directly,
   ** otherwise use printf.
   */
-  if( n==0 && r>=0 && r<LARGEST_INT64-1 ){
+  if( n==0 && r>=0 && r< (double)(LARGEST_INT64) -1 ){
     r = (double)((sqlite_int64)(r+0.5));
-  }else if( n==0 && r<0 && (-r)<LARGEST_INT64-1 ){
+  }else if( n==0 && r<0 && (-r)< (double)(LARGEST_INT64) -1 ){
     r = -(double)((sqlite_int64)((-r)+0.5));
   }else{
     zBuf = sqlite3_mprintf("%.*f",n,r);