build-all - use cmake arg instead of a patch to disable ExpToCasExe

nix/build-all.py

@@ -955,21 +955,18 @@ if "swig" in targets:
     )
 
 if USE_OCCT and "occ" in targets:
-    patches = []
+    occt_args: "list[str]" = []
+    patches: "list[str]" = []
     if OCCT_VERSION < "7.4":
         patches.append("./patches/occt/enable-exception-handling.patch")
 
-    if OCCT_VERSION == "7.7.1":
+    # Skip ExpToCasExe as we don't need it and it requires additional dependencies.
+    # Before 7.7.2 ExpToCasExe is part of DataExchange, DETools doesn't exist yet.
+    # Since we do need DataExchange (used for IgesSerializer), we use a patch to skip only ExpToCasExe.
+    if "7.7.2" > OCCT_VERSION >= "7.7":
         patches.append("./patches/occt/no_ExpToCasExe.patch")
-
+    elif OCCT_VERSION >= "7.7.2":
-    if OCCT_VERSION == "7.7.2":
+        occt_args.append("-DBUILD_MODULE_DETools=OFF")
-        patches.append("./patches/occt/no_ExpToCasExe_7_7_2.patch")
-
-    if OCCT_VERSION == "7.8.1":
-        patches.append("./patches/occt/no_ExpToCasExe_7_8_1.patch")
-
-    if OCCT_VERSION == "7.9.1":
-        patches.append("./patches/occt/no_ExpToCasExe_7_9_1.patch")
 
     if "wasm" in flags:
         patches.append("./patches/occt/no_em_js.patch")
@@ -990,6 +987,7 @@ if USE_OCCT and "occ" in targets:
             f"-DUSE_GLES2=OFF",
             f"-DCMAKE_POLICY_VERSION_MINIMUM=3.5",
             *MAC_CROSS_COMPILE_INTEL_ARGS,
+            *occt_args,
         ],
         download_url="https://github.com/Open-Cascade-SAS/OCCT",
         download_name="occt",

nix/patches/occt/no_ExpToCasExe.patch

@@ -1,13 +1,9 @@
-diff --git a/CMakeLists.txt b/CMakeLists.txt
+--- a/adm/MODULES
-index fd17283f77..6cecf9dad3 100644
++++ b/adm/MODULES
---- a/CMakeLists.txt
+@@ -3,5 +3,5 @@ ModelingData TKG2d TKG3d TKGeomBase TKBRep
-+++ b/CMakeLists.txt
+ ModelingAlgorithms TKGeomAlgo TKTopAlgo TKPrim TKBO TKBool TKHLR TKFillet TKOffset TKFeat TKMesh TKXMesh TKShHealing
-@@ -826,6 +826,8 @@ if (EMSCRIPTEN)
+ Visualization TKService TKV3d TKOpenGl TKOpenGles TKMeshVS TKIVtk TKD3DHost
-   list (REMOVE_ITEM BUILD_TOOLKITS ExpToCasExe)
+ ApplicationFramework TKCDF TKLCAF TKCAF TKBinL TKXmlL TKBin TKXml TKStdL TKStd TKTObj TKBinTObj TKXmlTObj TKVCAF
- endif()
+-DataExchange TKXDE TKXSBase TKSTEPBase TKSTEPAttr TKSTEP209 TKSTEP TKIGES TKXCAF TKXDEIGES TKXDESTEP TKSTL TKVRML TKXmlXCAF TKBinXCAF TKRWMesh TKXDECascade TKExpress ExpToCasExe
- 
++DataExchange TKXDE TKXSBase TKSTEPBase TKSTEPAttr TKSTEP209 TKSTEP TKIGES TKXCAF TKXDEIGES TKXDESTEP TKSTL TKVRML TKXmlXCAF TKBinXCAF TKRWMesh TKXDECascade TKExpress
-+list (REMOVE_ITEM BUILD_TOOLKITS ExpToCasExe)
+ Draw TKDraw TKTopTest TKOpenGlTest TKOpenGlesTest TKD3DHostTest TKViewerTest TKXSDRAW TKDCAF TKXDEDRAW TKTObjDRAW TKQADraw TKIVtkDraw DRAWEXE
-+
- # bison
- if (BUILD_YACCLEX)
-   OCCT_INCLUDE_CMAKE_FILE ("adm/cmake/bison")

nix/patches/occt/no_ExpToCasExe_7_7_2.patch

@@ -1,13 +0,0 @@
-diff --git a/CMakeLists.txt b/CMakeLists.txt
-index 1bacca1a48..11f931ad39 100644
---- a/CMakeLists.txt
-+++ b/CMakeLists.txt
-@@ -820,6 +820,8 @@ else()
-   OCCT_CHECK_AND_UNSET ("3RDPARTY_DOT_EXECUTABLE")
- endif()
- 
-+list (REMOVE_ITEM BUILD_TOOLKITS ExpToCasExe)
-+
- # bison
- if (BUILD_YACCLEX)
-   OCCT_INCLUDE_CMAKE_FILE ("adm/cmake/bison")

nix/patches/occt/no_ExpToCasExe_7_8_1.patch

@@ -1,13 +0,0 @@
-diff --git a/CMakeLists.txt b/CMakeLists.txt
-index 86905287dc..9d0bce984c 100644
---- a/CMakeLists.txt
-+++ b/CMakeLists.txt
-@@ -828,6 +828,8 @@ else()
-   OCCT_CHECK_AND_UNSET ("3RDPARTY_DOT_EXECUTABLE")
- endif()
- 
-+list (REMOVE_ITEM BUILD_TOOLKITS ExpToCasExe)
-+
- # bison
- if (BUILD_YACCLEX)
-   OCCT_INCLUDE_CMAKE_FILE ("adm/cmake/bison")

nix/patches/occt/no_ExpToCasExe_7_9_1.patch

@@ -1,13 +0,0 @@
-diff --git a/CMakeLists.txt b/CMakeLists.txt
-index 34300d41ad..09b2e0d45f 100644
---- a/CMakeLists.txt
-+++ b/CMakeLists.txt
-@@ -721,6 +721,8 @@ else()
-   OCCT_CHECK_AND_UNSET ("3RDPARTY_DOT_EXECUTABLE")
- endif()
- 
-+list (REMOVE_ITEM BUILD_TOOLKITS ExpToCasExe)
-+
- # bison
- if (BUILD_YACCLEX)
-   list (APPEND OCCT_3RDPARTY_CMAKE_LIST "adm/cmake/bison")