implement OPENMESHDLLEXPORT for mac/linux

23 jobs from mh-symbol-vis in 45 minutes 26 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Test
passed #37228
VS2013
VS2013-32-bit-shared-apps

04:40

passed #37229
VS2013
VS2013-32-bit-shared-no-apps

03:56

passed #37232
VS2013
VS2013-32-bit-static-apps

04:36

passed #37233
VS2013
VS2013-32-bit-static-no-apps

03:58

passed #37226
VS2013
VS2013-64-bit-shared-apps

05:02

passed #37227
VS2013
VS2013-64-bit-shared-no-apps

04:10

passed #37230
VS2013
VS2013-64-bit-static-apps

05:41

passed #37231
VS2013
VS2013-64-bit-static-no-apps

04:06

passed #37220
VS2015
VS2015-32-bit-shared-apps

06:11

passed #37221
VS2015
VS2015-32-bit-shared-no-apps

04:40

passed #37224
VS2015
VS2015-32-bit-static-apps

06:14

passed #37225
VS2015
VS2015-32-bit-static-no-apps

04:44

passed #37218
VS2015
VS2015-64-bit-shared-apps

06:42

passed #37219
VS2015
VS2015-64-bit-shared-no-apps

05:35

passed #37222
VS2015
VS2015-64-bit-static-apps

06:31

passed #37223
VS2015
VS2015-64-bit-static-no-apps

05:49

passed #37212
Linux
clang-c++11

29:51

passed #37214
Linux
clang-c++14

30:02

passed #37217
Linux
cppcheck

02:03

passed #37211
Linux
gcc-c++11

04:08

passed #37213
Linux
gcc-c++14

04:35

passed #37215
Apple
macos-c++11

09:53

passed #37216
Apple
macos-c++98

09:51