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authorMauricio Collares <mauricio@collares.org>2021-09-13 22:55:53 -0300
committerMauricio Collares <mauricio@collares.org>2022-01-24 20:54:53 -0300
commit0a6b5115f69e010d157c6c365d71006eebc09d36 (patch)
tree3586803827380c3caa84e72063cb159061766758
parent6bee3464671e5fb28aefa269ae942ce10924b2cd (diff)
singular: 4.2.0p2 -> 4.3.0
-rw-r--r--pkgs/applications/science/math/singular/default.nix77
-rw-r--r--pkgs/applications/science/math/singular/disable-docs-for-optional-unpackaged-deps.patch112
-rw-r--r--pkgs/applications/science/math/singular/redhat-aarch64.patch38
-rw-r--r--pkgs/applications/science/math/singular/use-older-ax-prog-cc-for-build.patch194
-rw-r--r--pkgs/applications/science/math/singular/vspace-MAX_PROCESS.patch35
5 files changed, 17 insertions, 439 deletions
diff --git a/pkgs/applications/science/math/singular/default.nix b/pkgs/applications/science/math/singular/default.nix
index b543252e87121..23712061160e4 100644
--- a/pkgs/applications/science/math/singular/default.nix
+++ b/pkgs/applications/science/math/singular/default.nix
@@ -1,7 +1,7 @@
 { stdenv, fetchFromGitHub, gmp, bison, perl, ncurses, readline, coreutils, pkg-config
 , lib
-, fetchpatch
 , autoreconfHook
+, buildPackages
 , sharutils
 , file
 , flint
@@ -11,6 +11,7 @@
 , lrcalc
 , doxygen
 , graphviz
+, latex2html
 # upstream generates docs with texinfo 4. later versions of texinfo
 # use letters instead of numbers for post-appendix chapters, and we
 # want it to match the upstream format because sage depends on it.
@@ -22,66 +23,25 @@
 
 stdenv.mkDerivation rec {
   pname = "singular";
-  version = "4.2.0p2";
+  version = "4.3.0";
 
-  # since the tarball does not contain tests or documentation (and
-  # there is no separate tests tarball for 4.2.0), we fetch from
-  # GitHub.
+  # since the tarball does not contain tests, we fetch from GitHub.
   src = fetchFromGitHub {
     owner = "Singular";
     repo = "Singular";
 
-    # 4.2.0p2 is not tagged, but the tarball matches the commit below.
-    rev = "6f68939ddf612d96e3caaaaa8275f77613ac1da8";
-    sha256 = "sha256-BJNzYylzDqD/5YjzjxPRb/c96tYiuGy9Y+A7qf3ZSG8=";
-
-    # if a release is tagged it will be in the format below.
-    # rev = "Release${lib.replaceStrings ["."] ["-"] version}";
+    # if a release is tagged (which sometimes does not happen), it will
+    # be in the format below.
+    # rev = "Release-${lib.replaceStrings ["."] ["-"] version}";
+    rev = "d895b0f1f543c61eb03adddad20f08655a419d4e";
+    sha256 = "sha256-c5Qr6VUuPKjfw8fowjJJz3oGAyUwo/K0WeMvU5djzVA=";
 
     # the repository's .gitattributes file contains the lines "/Tst/
     # export-ignore" and "/doc/ export-ignore" so some directories are
-    # not included in the tarball downloaded by fetchzip. setting
-    # fetchSubmodules works around this by using fetchgit instead of
-    # fetchzip.
-    fetchSubmodules = true;
+    # not included in the tarball downloaded by fetchzip.
+    forceFetchGit = true;
   };
 
-  patches = [
-    # fix timeouts when docbuilding with >= 64 cpus
-    # https://github.com/Singular/Singular/issues/1117
-    ./vspace-MAX_PROCESS.patch
-
-    # add aarch64 support to cpu-check.m4. copied from redhat.
-    ./redhat-aarch64.patch
-
-    # the newest version of ax-prog-cc-for-build.m4 seems to trigger
-    # linker errors. see
-    # https://github.com/alsa-project/alsa-firmware/issues/3 for a
-    # related issue.
-    ./use-older-ax-prog-cc-for-build.patch
-
-    # https://github.com/Singular/Singular/issues/1086
-    (fetchpatch {
-      name = "schubert-lib-fails-with-too-many-cpus.patch";
-      url = "https://github.com/Singular/Singular/commit/3cda50c00a849455efa2502e56596955491a353a.patch";
-      sha256 = "sha256-fgYd+2vT32w5Ki8kKx6PfZn2e4QSJcYWOwEFXtc+lSA=";
-    })
-  ] ++ lib.optionals enableDocs [
-    # singular supports building without 4ti2, bertini, normaliz or
-    # topcom just fine, but the docbuilding does not skip manual pages
-    # tagged as depending on those binaries (probably a bug in
-    # doc2tex.pl::HandleLib, since it seems to ignore "-exclude"
-    # argumens). skip them manually.
-    ./disable-docs-for-optional-unpackaged-deps.patch
-
-    # fix some non-ascii characters in doc/decodegb.doc
-    (fetchpatch {
-      name = "decodegb-ascii.patch";
-      url = "https://github.com/Singular/Singular/commit/36966d9009de572ee4dbc487f3e5744098fe91be.patch";
-      sha256 = "sha256-9WcEov/oOQRC584ag6WVHFwY2aCjbM75HWyvZoEwppw=";
-    })
-  ];
-
   configureFlags = [
     "--with-ntl=${ntl}"
     "--disable-pyobject-module"
@@ -114,6 +74,7 @@ stdenv.mkDerivation rec {
   ] ++ lib.optionals enableGfanlib [
     cddlib
   ];
+
   nativeBuildInputs = [
     bison
     perl
@@ -123,9 +84,11 @@ stdenv.mkDerivation rec {
   ] ++ lib.optionals enableDocs [
     doxygen
     graphviz
+    latex2html
     texinfo4
     texlive.combined.scheme-small
   ];
+  depsBuildBuild = [ buildPackages.stdenv.cc ];
 
   preAutoreconf = ''
     find . -type f -readable -writable -exec sed \
@@ -137,21 +100,14 @@ stdenv.mkDerivation rec {
 
   hardeningDisable = lib.optional stdenv.isi686 "stackprotector";
 
-  # The Makefile actually defaults to `make install` anyway
-  buildPhase = ''
-    # do nothing
-  '';
-
   doCheck = true; # very basic checks, does not test any libraries
 
   installPhase = ''
-    mkdir -p "$out"
-    cp -r Singular/LIB "$out/lib"
     make install
   '' + lib.optionalString enableDocs ''
-    # Sage uses singular.hlp (which is not in the tarball)
+    # Sage uses singular.info, which is not installed by default
     mkdir -p $out/share/info
-    cp doc/singular.hlp $out/share/info
+    cp doc/singular.info $out/share/info
   '' + ''
     # Make sure patchelf picks up the right libraries
     rm -rf libpolys factory resources omalloc Singular
@@ -211,5 +167,6 @@ stdenv.mkDerivation rec {
     license = licenses.gpl3; # Or GPLv2 at your option - but not GPLv4
     homepage = "http://www.singular.uni-kl.de";
     downloadPage = "http://www.mathematik.uni-kl.de/ftp/pub/Math/Singular/SOURCES/";
+    mainProgram = "Singular";
   };
 }
diff --git a/pkgs/applications/science/math/singular/disable-docs-for-optional-unpackaged-deps.patch b/pkgs/applications/science/math/singular/disable-docs-for-optional-unpackaged-deps.patch
deleted file mode 100644
index 46d92922f3ce4..0000000000000
--- a/pkgs/applications/science/math/singular/disable-docs-for-optional-unpackaged-deps.patch
+++ /dev/null
@@ -1,112 +0,0 @@
-commit 9e8b044d982e132cf35a106a1cc0cf7e77b27f7c
-Author: Mauricio Collares <mauricio@collares.org>
-Date:   Thu Apr 15 20:33:21 2021 -0300
-
-    Disable manual sections using optional packages not yet in Nixpkgs
-
-        * normaliz.lib depends on normaliz.
-        * polymake.lib depends on topcom.
-        * recover.lib depends on bertini.
-        * sing4ti2.lib depends on 4ti2.
-        * tateProdCplxNegGrad.lib uses multigrading.lib, which depends on 4ti2.
-
-diff --git a/doc/singular.doc b/doc/singular.doc
-index 64b969d39..e704f95f0 100644
---- a/doc/singular.doc
-+++ b/doc/singular.doc
-@@ -407,7 +407,6 @@ LIB "all.lib";
- * nfmodsyz_lib:: Syzygy modules of submodules of free modules over algebraic number fields
- * noether_lib:: Noether normalization of an ideal
- * normal_lib:: procedure for normalization
--* normaliz_lib:: integral closure, normalization for monomial ideals, toric ideals
- * pointid_lib:: factorized lex GB of the vanishing ideal of a set of points
- * primdec_lib:: procedures for primary decomposition
- * primdecint_lib:: primary decomposition over the integers
-@@ -416,7 +415,6 @@ LIB "all.lib";
- * reesclos_lib:: Rees Algebra and integral closure of an ideal
- * rstandard_lib:: Janet bases and border bases for ideals
- * sagbi_lib:: Subalgebras bases Analogous to Groebner bases for ideals
--* sing4ti2_lib:: interface to program 4ti2
- * symodstd_lib:: Groebner bases for symmetric ideals
- * toric_lib:: toric ideals
- @end menu
-@@ -521,10 +519,6 @@ LIB "all.lib";
- @node normal_lib
- @subsection normal_lib
- @c lib normal.lib
--@c ---------------------------------------------------------
--@node normaliz_lib
--@subsection normaliz_lib
--@c lib normaliz.lib tag:normaliz
- @c ----------------------------------------------------------
- @node pointid_lib
- @subsection pointid_lib
-@@ -558,10 +552,6 @@ LIB "all.lib";
- @subsection sagbi_lib
- @c lib sagbi.lib
- @c ---------------------------------------------------------
--@node sing4ti2_lib
--@subsection sing4ti2_lib
--@c lib sing4ti2.lib tag:sing4ti2
--@c ----------------------------------------------------------
- @node symodstd_lib
- @subsection symodstd_lib
- @c lib symodstd.lib
-@@ -873,7 +863,6 @@ iniD, reslist, sumlist, dividelist, createlist
- * solve_lib:: procedures to solve polynomial systems
- * triang_lib:: procedures for decomposing zero-dimensional ideals
- * ntsolve_lib:: one real solution of polynomial systems (Newton iteration)
--* recover_lib:: Hybrid numerical/symbolical algorithms
- * rootisolation_lib:: real root isolation with intervals
- * signcond_lib:: computing realizable sign conditions
- * zeroset_lib:: procedures for roots and factorization
-@@ -904,10 +893,6 @@ iniD, reslist, sumlist, dividelist, createlist
- @subsection ntsolve_lib
- @c lib ntsolve.lib
- @c ---------------------------------------------------------
--@node recover_lib
--@subsection recover_lib
--@c lib recover.lib tag:bertini
--@c ----------------------------------------------------------
- @node rootisolation_lib
- @subsection rootisolation_lib
- @c lib rootisolation.lib
-@@ -1108,7 +1093,6 @@ but not for serious computations.
- * cimonom_lib:: complete intersection for toric ideals
- * gfan_lib:: A gfanlib interface for Singular
- * gitfan_lib:: Compute GIT-fans
--* polymake_lib:: interface to TOPCOM
- * realizationMatroids_lib:: Realizability for Tropical Fan Curves
- * tropical_lib:: interface to gfan
- * tropicalNewton_lib:: Newton polygons in tropical geometry
-@@ -1125,10 +1109,7 @@ but not for serious computations.
- @node gitfan_lib
- @subsection gitfan_lib
- @c lib gitfan.lib
--@c ----------------------------------------------------------
--@node polymake_lib
--@subsection polymake_lib
--@c lib polymake.lib tag:topcom
-+
- @c ----------------------------------------------------------
- @node realizationMatroids_lib
- @subsection realizationMatroids_lib
-@@ -1219,7 +1200,6 @@ Comments should be send to the author of the library directly.
- * stanleyreisner_lib:: T1 and T2 for a general Stanley-Reiser ring
- * swalk_lib:: Sagbi Walk Conversion Algorithm
- * systhreads_lib:: multi-threaded objects
--* tateProdCplxNegGrad_lib:: sheaf cohomology on product of projective spaces
- * VecField_lib:: vector fields
- @end menu
- @c ----------------------------------------------------------
-@@ -1310,10 +1290,6 @@ Todos/Issues:
- @subsection systhreads_lib
- @c lib systhreads.lib
- @c ---------------------------------------------------------
--@node tateProdCplxNegGrad_lib
--@subsection tateProdCplxNegGrad_lib
--@c lib tateProdCplxNegGrad.lib
--@c ---------------------------------------------------------
- @node VecField_lib
- @subsection VecField_lib
- @c lib VecField.lib
diff --git a/pkgs/applications/science/math/singular/redhat-aarch64.patch b/pkgs/applications/science/math/singular/redhat-aarch64.patch
deleted file mode 100644
index e0db6e87f994a..0000000000000
--- a/pkgs/applications/science/math/singular/redhat-aarch64.patch
+++ /dev/null
@@ -1,38 +0,0 @@
-diff --git a/m4/cpu-check.m4 b/m4/cpu-check.m4
-index 3cf0a7f08..12bb926ac 100644
---- a/m4/cpu-check.m4
-+++ b/m4/cpu-check.m4
-@@ -37,6 +37,18 @@ if test "$ac_cv_singcpuname" = ppc; then
-   AC_DEFINE(SI_CPU_PPC,1,"PPC")
-   AC_SUBST(SI_CPU_PPC)
- fi
-+if test "$ac_cv_singcpuname" = arm -o "$ac_cv_singcpuname" = armel; then
-+  AC_DEFINE(SI_CPU_ARM,1,"ARM")
-+  AC_SUBST(SI_CPU_ARM)
-+fi
-+if test "$ac_cv_singcpuname" = aarch64; then
-+  AC_DEFINE(SI_CPU_AARCH64,1,"AARCH64")
-+  AC_SUBST(SI_CPU_AARCH64)
-+fi
-+if test "$ac_cv_singcpuname" = s390; then
-+  AC_DEFINE(SI_CPU_S390,1,"S390")
-+  AC_SUBST(SI_CPU_S390)
-+fi
- 
- # UNAME and PATH
- AC_MSG_CHECKING(uname for Singular)
-@@ -65,6 +77,14 @@ dnl testet on: ppc_Linux, 740/750 PowerMac G3, 512k L2 cache
-   [powerpc*|ppc*], [AC_DEFINE(HAVE_GENERIC_MULT,1,multiplication is fast on the cpu: a*b is with mod otherwise using tables of logartihms)],
- dnl the following settings seems to be better on arm processors
-   [arm*], [],
-+dnl FIXME: need to run some tests
-+  [aarch64*], [
-+            AC_DEFINE(HAVE_MULT_MOD,1,multiplication is fast on the cpu: a*b is with mod otherwise using tables of logartihms)
-+            AC_DEFINE(HAVE_GENERIC_ADD,1,use branch for addition in Z/p otherwise it uses a generic add)
-+            AC_DEFINE(HAVE_DIV_MOD,1,division using extend euclidian algorithm otherwise using tables of logartihms)
-+            ],
-+dnl FIXME: need to run some tests
-+  [s390*], [AC_DEFINE(HAVE_GENERIC_ADD,1,use branch for addition in Z/p otherwise it uses a generic add)],
-   []
- )
- 
diff --git a/pkgs/applications/science/math/singular/use-older-ax-prog-cc-for-build.patch b/pkgs/applications/science/math/singular/use-older-ax-prog-cc-for-build.patch
deleted file mode 100644
index f664378617cfc..0000000000000
--- a/pkgs/applications/science/math/singular/use-older-ax-prog-cc-for-build.patch
+++ /dev/null
@@ -1,194 +0,0 @@
-diff --git a/m4/ax_prog_cc_for_build.m4 b/m4/ax_prog_cc_for_build.m4
-index f7410d74b..12cb005a5 100644
---- a/m4/ax_prog_cc_for_build.m4
-+++ b/m4/ax_prog_cc_for_build.m4
-@@ -32,35 +32,31 @@
- #   and this notice are preserved. This file is offered as-is, without any
- #   warranty.
- 
--#serial 18
-+#serial 9
- 
- AU_ALIAS([AC_PROG_CC_FOR_BUILD], [AX_PROG_CC_FOR_BUILD])
- AC_DEFUN([AX_PROG_CC_FOR_BUILD], [dnl
- AC_REQUIRE([AC_PROG_CC])dnl
- AC_REQUIRE([AC_PROG_CPP])dnl
--AC_REQUIRE([AC_CANONICAL_BUILD])dnl
-+AC_REQUIRE([AC_EXEEXT])dnl
-+AC_REQUIRE([AC_CANONICAL_HOST])dnl
- 
- dnl Use the standard macros, but make them use other variable names
- dnl
- pushdef([ac_cv_prog_CPP], ac_cv_build_prog_CPP)dnl
--pushdef([ac_cv_prog_cc_c89], ac_cv_build_prog_cc_c89)dnl
- pushdef([ac_cv_prog_gcc], ac_cv_build_prog_gcc)dnl
- pushdef([ac_cv_prog_cc_works], ac_cv_build_prog_cc_works)dnl
- pushdef([ac_cv_prog_cc_cross], ac_cv_build_prog_cc_cross)dnl
- pushdef([ac_cv_prog_cc_g], ac_cv_build_prog_cc_g)dnl
--pushdef([ac_cv_c_compiler_gnu], ac_cv_build_c_compiler_gnu)dnl
- pushdef([ac_cv_exeext], ac_cv_build_exeext)dnl
- pushdef([ac_cv_objext], ac_cv_build_objext)dnl
- pushdef([ac_exeext], ac_build_exeext)dnl
- pushdef([ac_objext], ac_build_objext)dnl
- pushdef([CC], CC_FOR_BUILD)dnl
- pushdef([CPP], CPP_FOR_BUILD)dnl
--pushdef([GCC], GCC_FOR_BUILD)dnl
- pushdef([CFLAGS], CFLAGS_FOR_BUILD)dnl
- pushdef([CPPFLAGS], CPPFLAGS_FOR_BUILD)dnl
--pushdef([EXEEXT], BUILD_EXEEXT)dnl
- pushdef([LDFLAGS], LDFLAGS_FOR_BUILD)dnl
--pushdef([OBJEXT], BUILD_OBJEXT)dnl
- pushdef([host], build)dnl
- pushdef([host_alias], build_alias)dnl
- pushdef([host_cpu], build_cpu)dnl
-@@ -71,29 +67,27 @@ pushdef([ac_cv_host_alias], ac_cv_build_alias)dnl
- pushdef([ac_cv_host_cpu], ac_cv_build_cpu)dnl
- pushdef([ac_cv_host_vendor], ac_cv_build_vendor)dnl
- pushdef([ac_cv_host_os], ac_cv_build_os)dnl
--pushdef([ac_tool_prefix], ac_build_tool_prefix)dnl
--pushdef([am_cv_CC_dependencies_compiler_type], am_cv_build_CC_dependencies_compiler_type)dnl
--pushdef([am_cv_prog_cc_c_o], am_cv_build_prog_cc_c_o)dnl
--pushdef([cross_compiling], cross_compiling_build)dnl
-+pushdef([ac_cpp], ac_build_cpp)dnl
-+pushdef([ac_compile], ac_build_compile)dnl
-+pushdef([ac_link], ac_build_link)dnl
- 
--cross_compiling_build=no
-+save_cross_compiling=$cross_compiling
-+save_ac_tool_prefix=$ac_tool_prefix
-+cross_compiling=no
-+ac_tool_prefix=
- 
--ac_build_tool_prefix=
--AS_IF([test -n "$build"],      [ac_build_tool_prefix="$build-"],
--      [test -n "$build_alias"],[ac_build_tool_prefix="$build_alias-"])
--
--AC_LANG_PUSH([C])
- AC_PROG_CC
--_AC_COMPILER_EXEEXT
--_AC_COMPILER_OBJEXT
- AC_PROG_CPP
-+AC_EXEEXT
-+
-+ac_tool_prefix=$save_ac_tool_prefix
-+cross_compiling=$save_cross_compiling
- 
- dnl Restore the old definitions
- dnl
--popdef([cross_compiling])dnl
--popdef([am_cv_prog_cc_c_o])dnl
--popdef([am_cv_CC_dependencies_compiler_type])dnl
--popdef([ac_tool_prefix])dnl
-+popdef([ac_link])dnl
-+popdef([ac_compile])dnl
-+popdef([ac_cpp])dnl
- popdef([ac_cv_host_os])dnl
- popdef([ac_cv_host_vendor])dnl
- popdef([ac_cv_host_cpu])dnl
-@@ -104,33 +98,25 @@ popdef([host_vendor])dnl
- popdef([host_cpu])dnl
- popdef([host_alias])dnl
- popdef([host])dnl
--popdef([OBJEXT])dnl
- popdef([LDFLAGS])dnl
--popdef([EXEEXT])dnl
- popdef([CPPFLAGS])dnl
- popdef([CFLAGS])dnl
--popdef([GCC])dnl
- popdef([CPP])dnl
- popdef([CC])dnl
- popdef([ac_objext])dnl
- popdef([ac_exeext])dnl
- popdef([ac_cv_objext])dnl
- popdef([ac_cv_exeext])dnl
--popdef([ac_cv_c_compiler_gnu])dnl
- popdef([ac_cv_prog_cc_g])dnl
- popdef([ac_cv_prog_cc_cross])dnl
- popdef([ac_cv_prog_cc_works])dnl
--popdef([ac_cv_prog_cc_c89])dnl
- popdef([ac_cv_prog_gcc])dnl
- popdef([ac_cv_prog_CPP])dnl
- 
--dnl restore global variables ac_ext, ac_cpp, ac_compile,
--dnl ac_link, ac_compiler_gnu (dependant on the current
--dnl language after popping):
--AC_LANG_POP([C])
--
- dnl Finally, set Makefile variables
- dnl
-+BUILD_EXEEXT=$ac_build_exeext
-+BUILD_OBJEXT=$ac_build_objext
- AC_SUBST(BUILD_EXEEXT)dnl
- AC_SUBST(BUILD_OBJEXT)dnl
- AC_SUBST([CFLAGS_FOR_BUILD])dnl
-diff --git a/m4/ax_prog_cxx_for_build.m4 b/m4/ax_prog_cxx_for_build.m4
-index 4d976769f..17c19a89f 100644
---- a/m4/ax_prog_cxx_for_build.m4
-+++ b/m4/ax_prog_cxx_for_build.m4
-@@ -31,7 +31,7 @@
- #   and this notice are preserved. This file is offered as-is, without any
- #   warranty.
- 
--#serial 4
-+#serial 3
- 
- AU_ALIAS([AC_PROG_CXX_FOR_BUILD], [AX_PROG_CXX_FOR_BUILD])
- AC_DEFUN([AX_PROG_CXX_FOR_BUILD], [dnl
-@@ -49,7 +49,6 @@ pushdef([ac_cv_prog_cxx_cross], ac_cv_build_prog_cxx_cross)dnl
- pushdef([ac_cv_prog_cxx_g], ac_cv_build_prog_cxx_g)dnl
- pushdef([CXX], CXX_FOR_BUILD)dnl
- pushdef([CXXCPP], CXXCPP_FOR_BUILD)dnl
--pushdef([GXX], GXX_FOR_BUILD)dnl
- pushdef([CXXFLAGS], CXXFLAGS_FOR_BUILD)dnl
- pushdef([CPPFLAGS], CPPFLAGS_FOR_BUILD)dnl
- pushdef([CXXCPPFLAGS], CXXCPPFLAGS_FOR_BUILD)dnl
-@@ -63,25 +62,26 @@ pushdef([ac_cv_host_alias], ac_cv_build_alias)dnl
- pushdef([ac_cv_host_cpu], ac_cv_build_cpu)dnl
- pushdef([ac_cv_host_vendor], ac_cv_build_vendor)dnl
- pushdef([ac_cv_host_os], ac_cv_build_os)dnl
--pushdef([ac_tool_prefix], ac_build_tool_prefix)dnl
--pushdef([am_cv_CXX_dependencies_compiler_type], am_cv_build_CXX_dependencies_compiler_type)dnl
--pushdef([cross_compiling], cross_compiling_build)dnl
-+pushdef([ac_cxxcpp], ac_build_cxxcpp)dnl
-+pushdef([ac_compile], ac_build_compile)dnl
-+pushdef([ac_link], ac_build_link)dnl
- 
--cross_compiling_build=no
-+save_cross_compiling=$cross_compiling
-+save_ac_tool_prefix=$ac_tool_prefix
-+cross_compiling=no
-+ac_tool_prefix=
- 
--ac_build_tool_prefix=
--AS_IF([test -n "$build"],      [ac_build_tool_prefix="$build-"],
--      [test -n "$build_alias"],[ac_build_tool_prefix="$build_alias-"])
--
--AC_LANG_PUSH([C++])
- AC_PROG_CXX
- AC_PROG_CXXCPP
- 
-+ac_tool_prefix=$save_ac_tool_prefix
-+cross_compiling=$save_cross_compiling
-+
- dnl Restore the old definitions
- dnl
--popdef([cross_compiling])dnl
--popdef([am_cv_CXX_dependencies_compiler_type])dnl
--popdef([ac_tool_prefix])dnl
-+popdef([ac_link])dnl
-+popdef([ac_compile])dnl
-+popdef([ac_cxxcpp])dnl
- popdef([ac_cv_host_os])dnl
- popdef([ac_cv_host_vendor])dnl
- popdef([ac_cv_host_cpu])dnl
-@@ -103,10 +103,6 @@ popdef([ac_cv_prog_cxx_works])dnl
- popdef([ac_cv_prog_gxx])dnl
- popdef([ac_cv_prog_CXXCPP])dnl
- 
--dnl restore global variables (dependant on the current
--dnl language after popping):
--AC_LANG_POP([C++])
--
- dnl Finally, set Makefile variables
- dnl
- AC_SUBST([CXXFLAGS_FOR_BUILD])dnl
diff --git a/pkgs/applications/science/math/singular/vspace-MAX_PROCESS.patch b/pkgs/applications/science/math/singular/vspace-MAX_PROCESS.patch
deleted file mode 100644
index 78d658f926ee0..0000000000000
--- a/pkgs/applications/science/math/singular/vspace-MAX_PROCESS.patch
+++ /dev/null
@@ -1,35 +0,0 @@
-diff --git a/kernel/GBEngine/kChinese.cc b/kernel/GBEngine/kChinese.cc
-index 829a66609..84655caf2 100644
---- a/kernel/GBEngine/kChinese.cc
-+++ b/kernel/GBEngine/kChinese.cc
-@@ -209,6 +209,8 @@ ideal id_ChineseRemainder_0(ideal *xx, number *q, int rl, const ring r)
-     return NULL;
-   }
-   int cpus=(int)(long)feOptValue(FE_OPT_CPUS);
-+  if (cpus>=vspace::internals::MAX_PROCESS)
-+    cpus=vspace::internals::MAX_PROCESS-1;
-   if ((cpus==1) || (2*cpus>=cnt))
-     /* at least 2 polys for each process, or switch to seriell version */
-     return id_ChineseRemainder(xx,q,rl,r);
-@@ -295,6 +297,8 @@ ideal id_Farey_0(ideal x, number N, const ring r)
- {
-   int cnt=IDELEMS(x)*x->nrows;
-   int cpus=(int)(long)feOptValue(FE_OPT_CPUS);
-+  if (cpus>=vspace::internals::MAX_PROCESS)
-+    cpus=vspace::internals::MAX_PROCESS-1;
-   if (2*cpus>=cnt) /* at least 2 polys for each process, 
-                      or switch to seriell version */
-     return id_Farey(x,N,r);
-diff --git a/kernel/GBEngine/kverify.cc b/kernel/GBEngine/kverify.cc
-index 909d84994..aa06d6624 100644
---- a/kernel/GBEngine/kverify.cc
-+++ b/kernel/GBEngine/kverify.cc
-@@ -176,6 +176,8 @@ BOOLEAN kVerify2(ideal F, ideal Q)
-   /*---------------------------------------------------------------------*/
-   BOOLEAN all_okay=TRUE;
-   int cpus=(int)(long)feOptValue(FE_OPT_CPUS);
-+  if (cpus>=vspace::internals::MAX_PROCESS)
-+    cpus=vspace::internals::MAX_PROCESS-1;
-   int parent_pid=getpid();
-   using namespace vspace;
-   vmem_init();