testing/ruby-mathematical: new aport

https://www.gjtorikian.com/mathematical/
Convert mathematical equations to SVGs, PNGs, or MathML

This gem has quite problematic native extension, so it's worth to
make an aport for it. It's used e.g. by asciidoctor-pdf.

1 files changed, 59 insertions, 0 deletions

diff --git a/testing/ruby-mathematical/use-system-mtex2mml.patch b/testing/ruby-mathematical/use-system-mtex2mml.patch
new file mode 100644
index 0000000000..8cfbf99aad
--- /dev/null
+++ b/testing/ruby-mathematical/use-system-mtex2mml.patch
@@ -0,0 +1,59 @@
+From 9810816577a18e844fd21eb0f7fa73b1e5e71b8a Mon Sep 17 00:00:00 2001
+From: Jakub Jirutka <jakub@jirutka.cz>
+Date: Sat, 25 Mar 2017 01:10:36 +0100
+Subject: [PATCH] Allow to compile against system-provided mtex2MML
+
+I'm writing package for Alpine Linux and want to compile mathematical
+against system-provided mtex2MML instead of bundled one.
+
+Upstream-Issue: https://github.com/gjtorikian/mathematical/pull/71
+---
+ ext/mathematical/extconf.rb | 21 ++++++++++++++-------
+ 1 file changed, 14 insertions(+), 7 deletions(-)
+
+diff --git a/ext/mathematical/extconf.rb b/ext/mathematical/extconf.rb
+index eb6a8d8..04993aa 100644
+--- a/ext/mathematical/extconf.rb
++++ b/ext/mathematical/extconf.rb
+@@ -21,6 +21,10 @@ def using_system_lasem?
+   arg_config('--use-system-lasem', !!ENV['MATHEMATICAL_USE_SYSTEM_LASEM'])
+ end
+ 
++def using_system_mtex2mml?
++  arg_config('--use-system-mtex2MML', !!ENV['MATHEMATICAL_USE_SYSTEM_MTEX2MML'])
++end
++
+ ROOT_TMP = File.expand_path(File.join(File.dirname(__FILE__), '..', '..', 'tmp'))
+ 
+ LASEM_DIR = File.expand_path(File.join(File.dirname(__FILE__), 'lasem'))
+@@ -57,10 +61,16 @@ end
+ clean_dir(MTEX2MML_BUILD_DIR)
+ clean_dir(LASEM_BUILD_DIR)
+ 
+-# build mtex2MML library
+-Dir.chdir(MTEX2MML_BUILD_DIR) do
+-  system 'cmake ..'
+-  system 'make libmtex2MML_static'
++if !using_system_mtex2mml?
++  # build mtex2MML library
++  Dir.chdir(MTEX2MML_BUILD_DIR) do
++    system 'cmake ..'
++    system 'make libmtex2MML_static'
++  end
++  FileUtils.mkdir_p(MTEX2MML_LIB_DIR)
++  FileUtils.cp_r(File.join(MTEX2MML_BUILD_DIR, 'libmtex2MML.a'), MTEX2MML_LIB_DIR)
++else
++  dir_config('mtex2MML').any? || pkg_config('libmtex2MML') || system('dpkg -s libmtex2MML >/dev/null')
+ end
+ 
+ if !using_system_lasem?
+@@ -76,9 +86,6 @@ else
+   dir_config('lasem').any? || pkg_config('liblasem') || system('dpkg -s liblasem >/dev/null')
+ end
+ 
+-FileUtils.mkdir_p(MTEX2MML_LIB_DIR)
+-FileUtils.cp_r(File.join(MTEX2MML_BUILD_DIR, 'libmtex2MML.a'), MTEX2MML_LIB_DIR)
+-
+ LIB_DIRS = [MTEX2MML_LIB_DIR, LASEM_LIB_DIR]
+ HEADER_DIRS = [MTEX2MML_SRC_DIR, LASEM_SRC_DIR]
+