Undefined symbols for architecture x86_64 on jsonnet submission

[Steven Smith]

Per https://guide.macports.org/#reference.phases.installation.list-modifiers <https://guide.macports.org/#reference.phases.installation.list-modifiers>, I’ll try starting with a blanket -delete of everything, try to get to the basic working make, and divide-and-conquer to isolate the issue. Maybe this?

> configure.cflags-delete
> configure.ldflags-delete
> …


Is there an equivalent build.cflags, build.ldflags, etc.?

There is not configure step necessary for this repo. Are these MacPorts configure flags used in the build stage?

Here’s the current not-working Portfile:

https://github.com/macports/macports-ports/blob/4a9cd2d6b34e6d48e22bfb608529e900f49f8dcb/devel/jsonnet/Portfile <https://github.com/macports/macports-ports/blob/4a9cd2d6b34e6d48e22bfb608529e900f49f8dcb/devel/jsonnet/Portfile>


> On Nov 23, 2019, at 8:25 AM, Chris Jones <jonesc at hep.phy.cam.ac.uk> wrote:
> 
> 
> 
>> On 23 Nov 2019, at 12:57 pm, Steven Smith <steve.t.smith at gmail.com> wrote:
>> 
>> 
>>> 
>>> You need to try and isolate the one causing the issue, if you believe it is something MacPorts is appending to the env, and then address that specifically.
>> 
>> That’s what I’m asking for help to do.
>> 
>> How are these flags and environment variables set within a Portfile?
>> 
>> I don’t know enough about the MacPorts build design or clang options enough to go through all the combinatoric flag settings, or to divide-and-conquer the problem.
>> 
>> Here are the flags set by Google’s upstream repo, <https://github.com/google/jsonnet/blob/master/Makefile <https://github.com/google/jsonnet/blob/master/Makefile>>:
>>> CXXFLAGS ?= -g $(OPT) -Wall -Wextra -Woverloaded-virtual -pedantic -std=c++0x -fPIC
>>> CXXFLAGS += -Iinclude -Ithird_party/md5 -Ithird_party/json
>>> CFLAGS ?= -g $(OPT) -Wall -Wextra -pedantic -std=c99 -fPIC
>>> CFLAGS += -Iinclude
>>> MAKEDEPENDFLAGS += -Iinclude -Ithird_party/md5 -Ithird_party/json
>>> EMCXXFLAGS = $(CXXFLAGS) -g0 -Os --memory-init-file 0 -s DISABLE_EXCEPTION_CATCHING=0 -s OUTLINING_LIMIT=10000 -s RESERVED_FUNCTION_POINTERS=20 -s ASSERTIONS=1 -s ALLOW_MEMORY_GROWTH=1
>>> EMCFLAGS = $(CFLAGS) --memory-init-file 0 -s DISABLE_EXCEPTION_CATCHING=0 -s ASSERTIONS=1 -s ALLOW_MEMORY_GROWTH=1
>>> LDFLAGS ?=
>> 
>> 
>> How are these variables and flags unset/reset within a Portfile?
> 
> See 
> 
> https://guide.macports.org/ <https://guide.macports.org/>
> 
> There is a section in there explaining how CFLAGS etc. are set.
>> 

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