From 23a865dcd99bead71be59429249c66a878de0ce5 Mon Sep 17 00:00:00 2001
From: Karl Nilsson <karl.robert.nilsson@gmail.com>
Date: Wed, 17 Mar 2021 12:13:19 -0400
Subject: [PATCH] Revert "occt: update to 7.5.0."

OCCT 7.5.0 breaks ABI, and downstream packages fail to build

This reverts commit abe75dc062e4353618830b563b0ae0596d0606ad.
---
 srcpkgs/occt/patches/fix-cmake-regex.patch |  2 +-
 srcpkgs/occt/patches/musl-fenv.patch       |  4 ++--
 srcpkgs/occt/patches/musl-mallinfo.patch   | 23 +++++++++++-----------
 srcpkgs/occt/template                      | 17 +++++++++-------
 srcpkgs/occt/update                        |  2 ++
 5 files changed, 26 insertions(+), 22 deletions(-)
 create mode 100644 srcpkgs/occt/update

diff --git a/srcpkgs/occt/patches/fix-cmake-regex.patch b/srcpkgs/occt/patches/fix-cmake-regex.patch
index 6d2ca83463da..4742ed9f2e7f 100644
--- a/srcpkgs/occt/patches/fix-cmake-regex.patch
+++ b/srcpkgs/occt/patches/fix-cmake-regex.patch
@@ -3,7 +3,7 @@
 
 --- adm/templates/OpenCASCADEConfig.cmake.in	2019-01-27 00:18:42.763819658 -0500
 +++ adm/templates/OpenCASCADEConfig.cmake.in	2019-01-27 23:40:32.872489521 -0500
-@@ -27,7 +27,7 @@
+@@ -26,7 +26,7 @@
  if (OpenCASCADE_INSTALL_PREFIX MATCHES "/cmake$")
    get_filename_component (OpenCASCADE_INSTALL_PREFIX "${OpenCASCADE_INSTALL_PREFIX}" PATH)
  endif()
diff --git a/srcpkgs/occt/patches/musl-fenv.patch b/srcpkgs/occt/patches/musl-fenv.patch
index 1720d12ce298..c4fd770646db 100644
--- a/srcpkgs/occt/patches/musl-fenv.patch
+++ b/srcpkgs/occt/patches/musl-fenv.patch
@@ -11,8 +11,8 @@ non-posix functions fegetexcept(3) and feenableexcept(3).
  
  #include <signal.h>
  
--#if !defined(__ANDROID__) && !defined(__QNX__) && !defined(__EMSCRIPTEN__)
-+#if !defined(__ANDROID__) && !defined(__QNX__) && !defined(__EMSCRIPTEN__) && defined(__GLIBC__)
+-#if !defined(__ANDROID__) && !defined(__QNX__)
++#if !defined(__ANDROID__) && !defined(__QNX__) && defined(__GLIBC__)
    #include <sys/signal.h>
  #endif
  
diff --git a/srcpkgs/occt/patches/musl-mallinfo.patch b/srcpkgs/occt/patches/musl-mallinfo.patch
index 632ca3f04ca9..3561c31f05a9 100644
--- a/srcpkgs/occt/patches/musl-mallinfo.patch
+++ b/srcpkgs/occt/patches/musl-mallinfo.patch
@@ -2,17 +2,16 @@ In musl libc there is no struct mallinfo and no function mallinf()
 
 --- src/OSD/OSD_MemInfo.cxx.orig
 +++ src/OSD/OSD_MemInfo.cxx
-
-@@ -182,8 +182,12 @@
- #elif (defined(__linux__) || defined(__linux))
-   if (IsActive (MemHeapUsage))
-   {
-+    #if defined(__GLIBC__)
-     const struct mallinfo aMI = mallinfo();
-     myCounters[MemHeapUsage] = aMI.uordblks;
-+    #else /* XXX not yet coded */
-+    myCounters[MemHeapUsage] = 0;
-+    #endif
+@@ -147,8 +147,12 @@
    }
+   aFile.close();
+ 
++  #if defined(__GLIBC__)
+   struct mallinfo aMI = mallinfo();
+   myCounters[MemHeapUsage] = aMI.uordblks;
++  #else /* XXX not yet coded */
++  myCounters[MemHeapUsage] = 0;
++  #endif
  
-   if (!IsActive (MemVirtual)
+ #elif (defined(__APPLE__))
+   struct task_basic_info aTaskInfo;
diff --git a/srcpkgs/occt/template b/srcpkgs/occt/template
index cc240b6f5e43..d7091dc43246 100644
--- a/srcpkgs/occt/template
+++ b/srcpkgs/occt/template
@@ -1,9 +1,10 @@
 # Template file for 'occt'
 pkgname=occt
-version=7.5.0
-revision=1
-_ver="${version//./_}"
-wrksrc=OCCT-${_ver}
+reverts=7.5.0_1
+version=7.4.0p1
+revision=3
+_gittag="V${version//./_}"
+wrksrc=occt-${_gittag}
 build_style=cmake
 configure_args="-DUSE_FREEIMAGE=ON -DUSE_TBB=ON -DUSE_GL2PS=ON -DUSE_VTK=OFF
  -DINSTALL_SAMPLES=ON"
@@ -11,10 +12,12 @@ makedepends="freetype-devel glu-devel freeimage-devel gl2ps-devel tbb-devel
  tcl-devel tk-devel"
 short_desc="OpenCASCADE Technology - library for CAD/CAM/CAE applications"
 maintainer="Piraty <piraty1@inbox.ru>"
-license="custom:LGPL-2.1-only-with-exceptions"
+license="LGPL-2.1-only"
 homepage="https://www.opencascade.com"
-distfiles="https://github.com/Open-Cascade-SAS/OCCT/archive/V${_ver}.tar.gz"
-checksum=dbe1d62a9317ad1516bd4575293d9aab2dc20206ca7a60a7705c9a3b77dc59c9
+# distfile: use git instead of official tarball, which requires registration
+# see https://www.opencascade.com/content/packaging-again-debian
+distfiles="https://git.dev.opencascade.org/gitweb/?p=occt.git;a=snapshot;h=refs/tags/${_gittag};sf=tgz>occt-${_gittag}.tar.gz"
+checksum=e00fedc221560fda31653c23a8f3d0eda78095c87519f338d4f4088e2ee9a9c0
 conflicts="oce>=0"
 
 post_install() {
diff --git a/srcpkgs/occt/update b/srcpkgs/occt/update
new file mode 100644
index 000000000000..c128eec6d9c9
--- /dev/null
+++ b/srcpkgs/occt/update
@@ -0,0 +1,2 @@
+site="https://git.dev.opencascade.org/gitweb/?p=occt.git;a=tags"
+pattern=">V\K[\d_p]+(?=</a>)"