Merge branch 'patch-1' into 'master'

Split openmeshcore static/shared MinGW compilation

As with ms compilers, the shared/static compilation depends on export macros.

Besides this is inconsistent with the behavior for openmeshtools library.

Why did you add this ?

See merge request !72
7 jobs for master in 70 minutes and 34 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Test
passed #6728
Linux
clang-c++11

00:21:26

passed #6730
Linux
clang-c++98

00:16:14

passed #6733
Linux
cppcheck

00:00:27

passed #6727
Linux
gcc-c++11

00:04:22

passed #6729
Linux
gcc-c++98

00:04:13

passed #6731
Apple
macos-c++11

00:09:06

passed #6732
Apple
macos-c++98

00:14:42