Revert "Makefile: Compile zlib .c files with DMD via importC"

[ibuclaw]

Reverts #8865

Broke dmd mainline, and release builds.

Error: C preprocess command C:\Program Files (x86)\Microsoft Visual Studio\2017\BuildTools\VC\Tools\MSVC\14.16.27023\bin\HostX64\x86\cl.exe failed for file etc\c\zlib\compress.c, exit status 2

Error: C preprocess command C:\Program Files (x86)\Microsoft Visual Studio\2017\BuildTools\VC\Tools\MSVC\14.16.27023\bin\HostX64\x86\cl.exe failed for file etc\c\zlib\deflate.c, exit status 2

cl : Command line warning D9002 : ignoring unknown option '/Zc:preprocessor'
cl : Command line warning D9002 : ignoring unknown option '/PD'
etc\c\zlib\deflate.c: fatal error C1083: Cannot open include file: '../dmd/druntime/import\importc.h': No such file or directory
Error: C preprocess command C:\Program Files (x86)\Microsoft Visual Studio\2017\BuildTools\VC\Tools\MSVC\14.16.27023\bin\HostX64\x86\cl.exe failed for file etc\c\zlib\adler32.c, exit status 2

cl : Command line warning D9002 : ignoring unknown option '/Zc:preprocessor'
cl : Command line warning D9002 : ignoring unknown option '/PD'
etc\c\zlib\compress.c: fatal error C1083: Cannot open include file: '../dmd/druntime/import\importc.h': No such file or directory
cl : Command line warning D9002 : ignoring unknown option '/Zc:preprocessor'
cl : Command line warning D9002 : ignoring unknown option '/PD'
etc\c\zlib\adler32.c: fatal error C1083: Cannot open include file: '../dmd/druntime/import\importc.h': No such file or directory
Error: C preprocess command C:\Program Files (x86)\Microsoft Visual Studio\2017\BuildTools\VC\Tools\MSVC\14.16.27023\bin\HostX64\x86\cl.exe failed for file etc\c\zlib\crc32.c, exit status 2

cl : Command line warning D9002 : ignoring unknown option '/Zc:preprocessor'
cl : Command line warning D9002 : ignoring unknown option '/PD'
etc\c\zlib\crc32.c: fatal error C1083: Cannot open include file: '../dmd/druntime/import\importc.h': No such file or directory
mingw32-make: *** [Makefile:322: generated/windows/release/32/etc/c/zlib/deflate.obj] Error 1
mingw32-make: *** Waiting for unfinished jobs....
mingw32-make: *** [Makefile:322: generated/windows/release/32/etc/c/zlib/compress.obj] Error 1
mingw32-make: *** [Makefile:322: generated/windows/release/32/etc/c/zlib/adler32.obj] Error 1
mingw32-make: *** [Makefile:322: generated/windows/release/32/etc/c/zlib/crc32.obj] Error 1
create_dmd_release: Error: Command failed (ran from dir 'clones\phobos'): "C:\Program Files (x86)\Microsoft Visual Studio\2017\BuildTools\VC\Auxiliary\Build\vcvarsall.bat" amd64_x86 && mingw32-make -j4 MODEL=32 "DMD=C:\Users\vagrant\clones/dmd/generated/windows/release/32/dmd.exe" ENABLE_RELEASE=1 LATEST=master

Sorry @kinke - please try again after release freeze.

[dlang-bot]

Thanks for your pull request, @ibuclaw!

Bugzilla references

Your PR doesn't reference any Bugzilla issue.

If your PR contains non-trivial changes, please reference a Bugzilla issue or create a manual changelog.

Testing this PR locally

If you don't have a local development environment setup, you can use Digger to test this PR:

dub run digger -- build "master + phobos#8870"

[kinke]

[Sorry for the trouble.]