tidy-up: delete parallel/unused feature flags

Detecting headers and lib separately makes sense when headers come in
variations or with extra ones, but this wasn't the case here. These were
duplicate/parallel macros that we had to keep in sync with each other
for a working build. This patch leaves a single macro for each of these
dependencies:

- Rely on `HAVE_LIBZ`, delete parallel `HAVE_ZLIB_H`.

  Also delete CMake logic making sure these two were in sync, along with
  a toggle to turn off that logic, called `CURL_SPECIAL_LIBZ`.

  Also delete stray `HAVE_ZLIB` defines.

  There is also a `USE_ZLIB` variant in `lib/config-dos.h`. This patch
  retains it for compatibility and deprecates it.

- Rely on `USE_LIBSSH2`, delete parallel `HAVE_LIBSSH2_H`.

  Also delete `LIBSSH2_WIN32`, `LIBSSH2_LIBRARY` from
  `winbuild/MakefileBuild.vc`, these have a role when building libssh2
  itself. And `CURL_USE_LIBSSH`, which had no use at all.

  Also delete stray `HAVE_LIBSSH2` defines.

- Rely on `USE_LIBSSH`, delete parallel `HAVE_LIBSSH_LIBSSH_H`.

  Also delete `LIBSSH_WIN32`, `LIBSSH_LIBRARY` and `HAVE_LIBSSH` from
  `winbuild/MakefileBuild.vc`, these were the result of copy-pasting the
  libssh2 line, and were not having any use.

- Delete unused `HAVE_LIBPSL_H` and `HAVE_LIBPSL`.

Reviewed-by: Daniel Stenberg

Closes #9652
This commit is contained in:
Viktor Szakats 2022-10-06 15:30:13 +00:00
parent 6d90308a39
commit 0c327464ca
No known key found for this signature in database
GPG key ID: B5ABD165E2AEF201
23 changed files with 91 additions and 151 deletions

View file

@ -1752,7 +1752,7 @@
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@ -1786,7 +1786,7 @@
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@ -1820,7 +1820,7 @@
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@ -1852,7 +1852,7 @@
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@ -1917,7 +1917,7 @@
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@ -1940,7 +1940,7 @@
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@ -2089,7 +2089,7 @@
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@ -2112,7 +2112,7 @@
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@ -2176,7 +2176,7 @@
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@ -2199,7 +2199,7 @@
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@ -2348,7 +2348,7 @@
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@ -2371,7 +2371,7 @@
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