bitwuzla: fix kissat not compiled in error (#400299)

pkgs/by-name/bi/bitwuzla/package.nix

@@ -12,6 +12,7 @@
   gmp,
   cadical,
   cryptominisat,
+  kissat,
   zlib,
   pkg-config,
   cmake,
@@ -37,6 +38,7 @@ stdenv.mkDerivation (finalAttrs: {
     ninja
     cmake
   ];
+
   buildInputs = [
     cadical
     cryptominisat
@@ -44,6 +46,7 @@ stdenv.mkDerivation (finalAttrs: {
     symfpu
     gmp
     zlib
+    kissat
   ];
 
   mesonFlags = [
@@ -51,6 +54,7 @@ stdenv.mkDerivation (finalAttrs: {
     # but setting it to shared works even in pkgsStatic
     "-Ddefault_library=shared"
     "-Dcryptominisat=true"
+    "-Dkissat=true"
 
     (lib.strings.mesonEnable "testing" finalAttrs.finalPackage.doCheck)
   ];
@@ -77,6 +81,7 @@ stdenv.mkDerivation (finalAttrs: {
     set -euxo pipefail;
     $out/bin/bitwuzla -S cms -j 3 -m file.smt2 | tee /dev/stderr | grep $needle;
     $out/bin/bitwuzla -S cadical -m file.smt2 | tee /dev/stderr | grep $needle;
+    $out/bin/bitwuzla -S kissat -m file.smt2 | tee /dev/stderr | grep $needle;
     )
 
     runHook postInstallCheck

pkgs/by-name/ki/kissat/package.nix

@@ -4,8 +4,25 @@
   fetchFromGitHub,
   drat-trim,
   p7zip,
+  pkg-config,
 }:
 
+let
+  # Early meta to reference in pkgconfig generation
+  meta = with lib; {
+    description = "'keep it simple and clean bare metal SAT solver' written in C";
+    mainProgram = "kissat";
+    longDescription = ''
+      Kissat is a "keep it simple and clean bare metal SAT solver" written in C.
+      It is a port of CaDiCaL back to C with improved data structures,
+      better scheduling of inprocessing and optimized algorithms and implementation.
+    '';
+    maintainers = with maintainers; [ shnarazk ];
+    platforms = platforms.unix;
+    license = licenses.mit;
+    homepage = "https://fmv.jku.at/kissat";
+  };
+in
 stdenv.mkDerivation rec {
   pname = "kissat";
   version = "4.0.2";
@@ -23,6 +40,10 @@ stdenv.mkDerivation rec {
     "lib"
   ];
 
+  nativeBuildInputs = [
+    pkg-config
+  ];
+
   nativeCheckInputs = [
     drat-trim
     p7zip
@@ -37,6 +58,14 @@ stdenv.mkDerivation rec {
   dontAddPrefix = true;
   setOutputFlags = false;
 
+  configurePhase = ''
+    ./configure
+  '';
+
+  buildPhase = ''
+    make -j$NIX_BUILD_CORES
+  '';
+
   installPhase = ''
     runHook preInstall
 
@@ -46,20 +75,23 @@ stdenv.mkDerivation rec {
     mkdir -p "$out/share/doc/kissat/"
     install -Dm0644 {LICEN?E,README*,VERSION} "$out/share/doc/kissat/"
 
+    # Create pkgconfig
+    mkdir -p $dev/lib/pkgconfig
+    cat > $dev/lib/pkgconfig/kissat.pc <<EOF
+    prefix=${placeholder "dev"}
+    exec_prefix=\''${prefix}
+    libdir=${placeholder "lib"}/lib
+    includedir=\''${prefix}/include
+
+    Name: ${pname}
+    Description: ${meta.description}
+    Version: ${version}
+    Libs: -L\''${libdir} -lkissat
+    Cflags: -I\''${includedir}
+    EOF
+
     runHook postInstall
   '';
 
-  meta = with lib; {
-    description = "'keep it simple and clean bare metal SAT solver' written in C";
-    mainProgram = "kissat";
-    longDescription = ''
-      Kissat is a "keep it simple and clean bare metal SAT solver" written in C.
-      It is a port of CaDiCaL back to C with improved data structures,
-      better scheduling of inprocessing and optimized algorithms and implementation.
-    '';
-    maintainers = with maintainers; [ shnarazk ];
-    platforms = platforms.unix;
-    license = licenses.mit;
-    homepage = "https://fmv.jku.at/kissat";
-  };
+  inherit meta;
 }