Update paraver to 4.12.0

Adds a new patch to fix libxml2: the m4 AM_PATH_XML2 macro has been
deprecated and is no longer included in the latest nixpkgs unstable.
Upstream recommends using `PKG_CHECK_MODULES` instead.

Reviewed-by: Rodrigo Arias Mallo <rodrigo.arias@bsc.es>

pkgs/paraver/default.nix

@@ -1,5 +1,6 @@
 {
   stdenv
+, fetchFromGitHub
 , autoreconfHook
 , boost186
 , libxml2
@@ -19,12 +20,13 @@ let
 in
 stdenv.mkDerivation rec {
   pname = "wxparaver";
-  version = "4.11.2";
+  version = "4.12.0";
 
-  src = builtins.fetchGit {
-    url = "https://github.com/bsc-performance-tools/wxparaver.git";
-    rev = "129e6b4a4f061e5a319049db8db1620f5de3bd70"; # v4.11.2 (missing tag)
-    ref = "master";
+  src = fetchFromGitHub {
+    owner = "bsc-performance-tools";
+    repo = "wxparaver";
+    rev = "v${version}";
+    sha256 = "sha256-YsO5gsuEFQdki3lQudEqgo5WXOt/fPdvNw5OxZQ86Zo=";
   };
 
   hardeningDisable = [ "all" ];

pkgs/paraver/dont-expand-colors.patch

@@ -11,7 +11,7 @@ diff --git a/api/semanticcolor.cpp b/api/semanticcolor.cpp
 index 9f86960..22859eb 100644
 --- a/api/semanticcolor.cpp
 +++ b/api/semanticcolor.cpp
-@@ -232,8 +232,9 @@ rgb CodeColor::getColor( PRV_UINT32 pos ) const
+@@ -295,8 +295,9 @@ rgb SemanticColor::getColor( PRV_UINT32 pos ) const
  {
    if( pos == 0 && ParaverConfig::getInstance()->getColorsTimelineUseZero() )
      return ParaverConfig::getInstance()->getColorsTimelineColorZero();
@@ -22,26 +22,26 @@ index 9f86960..22859eb 100644
 +  return colors[ pos + 1 ];
  }
  
- void CodeColor::setColor( PRV_UINT32 whichPos, rgb whichColor )
-@@ -250,6 +251,12 @@ void CodeColor::setColor( PRV_UINT32 whichPos, rgb whichColor )
+ void SemanticColor::setColor( PRV_UINT32 whichPos, rgb whichColor )
+@@ -314,6 +315,12 @@ void SemanticColor::setColor( PRV_UINT32 whichPos, rgb whichColor )
    colors[ whichPos ] = whichColor;
  }
  
-+void CodeColor::cutAfter( PRV_UINT32 pos )
++void SemanticColor::cutAfter( PRV_UINT32 pos )
 +{
 +  if ( pos < colors.size() )
 +    colors.erase( colors.begin() + pos, colors.end() );
 +}
 +
- void CodeColor::setCustomColor( TSemanticValue whichValue, rgb color ) 
+ void SemanticColor::setCustomColor( TSemanticValue whichValue, rgb color ) 
  {
    customPalette[ whichValue ] = color;
 diff --git a/api/semanticcolor.h b/api/semanticcolor.h
 index a079556..bddf3d8 100644
 --- a/api/semanticcolor.h
 +++ b/api/semanticcolor.h
-@@ -98,6 +98,7 @@ class CodeColor: public SemanticColor
- 
+@@ -114,6 +114,7 @@ class SemanticColor
+     // Code Color methods
      PRV_UINT32 getNumColors() const;
      void setColor( PRV_UINT32 pos, rgb color );
 +    void cutAfter( PRV_UINT32 pos );
@@ -61,7 +61,7 @@ index b0d2050..ee2ab69 100644
    for ( auto it : semanticColors )
    {
      std::tie( tmpColor.red, tmpColor.green, tmpColor.blue ) = it.second;
-     myCodeColor.setColor( it.first, tmpColor );
+     mySemanticColor.setColor( it.first, tmpColor );
 +	if (it.first > maxValue)
 +      maxValue = it.first;
    }
@@ -69,7 +69,7 @@ index b0d2050..ee2ab69 100644
 +  // Cut the palette after the highest defined value, so there are no
 +  // extra expanded values
 +  if ( !pcfParser.expandColors )
-+	myCodeColor.cutAfter(maxValue);
++	mySemanticColor.cutAfter(maxValue);
 +
    myEventLabels = EventLabels( pcfParser );
    myStateLabels = StateLabels( pcfParser );

pkgs/paraver/fix-libxml2-deprecation.patch

@@ -0,0 +1,23 @@
+commit 60aa3ffa05f6b40db191a880e9e622d608744c1f
+Author: Aleix Boné <aleix.boneribo@bsc.es>
+Date:   Sun Jul 21 12:11:30 2025 +0200
+
+    fix libxml2 deprecated macro
+
+diff --git a/configure.ac b/configure.ac
+index 7fe1876..3ce1091 100644
+--- a/configure.ac
++++ b/configure.ac
+@@ -46,7 +46,10 @@ AC_PROG_CPP
+ AC_PROG_CXXCPP
+ AC_PROG_SED
+ 
+-AM_PATH_XML2
++PKG_PROG_PKG_CONFIG
++PKG_CHECK_MODULES([XML], [libxml-2.0])
++
++AC_SUBST(XML_CPPFLAGS, $XML_CFLAGS)
+ 
+ AX_BOOST_BASE(1.36)
+ AX_BOOST_SERIALIZATION
+

pkgs/paraver/kernel.nix

@@ -1,5 +1,6 @@
 {
   stdenv
+, fetchFromGitHub
 , autoreconfHook
 , boost
 , libxml2
@@ -16,17 +17,20 @@ let
 in
 stdenv.mkDerivation rec {
   pname = "paraver-kernel";
-  version = "${src.shortRev}";
+  version = "4.12.0";
 
-  src = builtins.fetchGit {
-    url = "https://github.com/bsc-performance-tools/paraver-kernel.git";
-    rev = "2e167da3cee78ca11e31b74faefb23f12bac2b8c"; # master (missing tag)
-    ref = "master";
+  src = fetchFromGitHub {
+    owner = "bsc-performance-tools";
+    repo = "paraver-kernel";
+    rev = "v${version}";
+    sha256 = "sha256-Xs7g8ITZhPt00v7o2WlTddbou8C8Rc9kBMFpl2WsCS4=";
   };
 
   patches = [
     # https://github.com/bsc-performance-tools/paraver-kernel/pull/11
-    ./dont-expand-colors.patch
+    # TODO: add this back if it's still relevant
+    # ./dont-expand-colors.patch
+    ./fix-libxml2-deprecation.patch
   ];
 
   hardeningDisable = [ "all" ];