Added pcre support and changes to compile with clib2, although it is not 100% working now

Makefile.os4

@@ -77,7 +77,7 @@ else # !WINNT
         endif # !CPPCHK_GLIBCXX_DEBUG
     endif # GNU/kFreeBSD
 
-    LDFLAGS=-lpthread -athread=native -gstabs
+    LDFLAGS=-lpthread
 
 endif # WINNT
 
@@ -101,8 +101,12 @@ ifndef CXXFLAGS
     CXXFLAGS=-pedantic -Wall -Wextra -Wcast-qual -Wno-deprecated-declarations -Wfloat-equal -Wmissing-declarations -Wmissing-format-attribute -Wno-long-long -Wpacked -Wredundant-decls -Wundef -Wno-shadow -Wno-missing-field-initializers -Wno-missing-braces -Wno-sign-compare -Wno-multichar $(CPPCHK_GLIBCXX_DEBUG) -g
 endif
 
-override CXXFLAGS += -mcrt=newlib -athread=native -DNO_UNIX_SIGNAL_HANDLING -DUSE_THREADS -gstabs
+MCRT := -mcrt=newlib
-# CXXFLAGS=-mcrt=newlib -athread=native -std=c++0x -O2 -DNDEBUG -DNO_UNIX_SIGNAL_HANDLING -DUSE_THREADS -Wall -Wno-sign-compare
+ifeq ($(USE_CLIB2), yes)
+MCRT := -mcrt=clib2
+endif
+
+override CXXFLAGS +=$(MCRT) -O2 -athread=native -DNO_UNIX_SIGNAL_HANDLING -DUSE_THREADS
 
 ifeq (g++, $(findstring g++,$(CXX)))
     override CXXFLAGS += -std=gnu++0x
@@ -115,11 +119,12 @@ else ifeq ($(CXX), c++)
 endif
 
 ifeq ($(HAVE_RULES),yes)
-    override CXXFLAGS += -DHAVE_RULES -DTIXML_USE_STL $(shell pcre-config --cflags)
+    override CXXFLAGS += -DHAVE_RULES -DTIXML_USE_STL
+    # $(shell pcre-config --cflags)
     ifdef LIBS
-        LIBS += $(shell pcre-config --libs)
+        LIBS += -lpcre
     else
-        LIBS=$(shell pcre-config --libs)
+        LIBS=-lpcre
     endif
 endif
 

cli/filelister.cpp

@@ -174,7 +174,7 @@ bool FileLister::fileExists(const std::string &path)
 #endif
 #endif
 
-#if defined(__amigaos4__)
+#if defined(__amigaos4__) && !defined(__CLIB2__)
 static int readdir_r(DIR *dir, struct dirent *buf, struct dirent **result) {
     struct dirent *de;
 

cli/main.cpp

@@ -80,6 +80,10 @@ static char exename[1024] = {0};
 static char exename[1024] = {0};
 #endif
 
+#if defined(__amigaos4__)
+static const char *stack __attribute__((used)) = "$STACK:102400";
+static const char *version __attribute__((used)) = "\0$VER: cppcheck 2.9 (28.07.2022)";
+#endif
 /**
  * Main function of cppcheck
  *
@@ -121,3 +125,4 @@ int main(int argc, char* argv[])
 #endif
 // *INDENT-ON*
 }
+

externals/picojson/picojson.h

@@ -196,7 +196,7 @@ namespace picojson {
     if (
 #ifdef _MSC_VER
         ! _finite(n)
-#elif __cplusplus>=201103L || !(defined(isnan) && defined(isinf))
+#elif (__cplusplus>=201103L || !(defined(isnan) && defined(isinf))) && !defined(__CLIB2__)
 		std::isnan(n) || std::isinf(n)
 #else
         isnan(n) || isinf(n)
@@ -1008,3 +1008,4 @@ inline std::ostream& operator<<(std::ostream& os, const picojson::value& x)
 #endif
 
 #endif
+

lib/cppcheck.cpp

@@ -1757,3 +1757,4 @@ bool CppCheck::isUnusedFunctionCheckEnabled() const
 {
     return (mSettings.jobs == 1 && mSettings.checks.isEnabled(Checks::unusedFunction));
 }
+

lib/mathlib.cpp

@@ -73,11 +73,18 @@ std::string MathLib::value::str() const
 {
     std::ostringstream ostr;
     if (mType == MathLib::value::Type::FLOAT) {
+        #if defined(__amigaos4__) && defined(__CLIB2__)
+        if (isnan(mDoubleValue))
+            return "nan.0";
+        if (isinf(mDoubleValue))
+            return (mDoubleValue > 0) ? "inf.0" : "-inf.0";
+        #else
         if (std::isnan(mDoubleValue))
             return "nan.0";
         if (std::isinf(mDoubleValue))
             return (mDoubleValue > 0) ? "inf.0" : "-inf.0";
-
+        #endif
+        
         ostr.precision(9);
         ostr << std::fixed << mDoubleValue;
 
@@ -1298,3 +1305,4 @@ MathLib::value operator>>(const MathLib::value &v1, const MathLib::value &v2)
 {
     return v1.shiftRight(v2);
 }
+

lib/platform.h

@@ -23,9 +23,9 @@
 
 #include "config.h"
 
-#if defined(__amigaos4__)
+#if defined(__amigaos4__) && !defined(__CLIB2__)
 #define stricmp strcasecmp
-#endif
+#endif /* amigaos4 */
 
 #include <climits>
 #include <string>