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cmke: add *_USE_STATIC_LIBS options for 9 dependencies

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Via options:

- `BROTLI_USE_STATIC_LIBS`
- `CARES_USE_STATIC_LIBS`
- `LIBSSH_USE_STATIC_LIBS`
- `LIBSSH2_USE_STATIC_LIBS`
- `MBEDTLS_USE_STATIC_LIBS`
- `NGHTTP2_USE_STATIC_LIBS`
- `NGHTTP3_USE_STATIC_LIBS`
- `NGTCP2_USE_STATIC_LIBS`
- `ZSTD_USE_STATIC_LIBS`

When enabled, make a "best effort" finding static libs first and set
the "build static" macro (on Windows) as required by the dependency.

When doing `pkg-config`-based detections, make curl select the static
configuration, which shall set the "build static" macro also.

These options resemble CMake's `OPENSSL_USE_STATIC_LIBS` and
`ZLIB_USE_STATIC_LIBS` (the latter does not support `pkg-config` as of
CMake v4.2.2).

Shared/static library selection based on loose filename conventions is
fragile and prone to break if the non-static-suffixed library is found
and happens to be a shared library, or, if the linker decides to pick up
a shared copy (e.g. `.a.dll`) that shadows the static one. It may help
to provide either static or shared, but not both, on the disk, and match
that with this setting.

Experimental.

Ref: #20013
Closes #20015
This commit is contained in:
Viktor Szakats 2025-12-17 00:11:52 +01:00
parent 3aa4fbf2d4
commit 26c39d8df1
No known key found for this signature in database
GPG key ID: B5ABD165E2AEF201
10 changed files with 178 additions and 56 deletions
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24
CMake/FindNGHTTP2.cmake
View file

@ -25,14 +25,15 @@
#
# Input variables:
#
# - `NGHTTP2_INCLUDE_DIR`: Absolute path to nghttp2 include directory.
# - `NGHTTP2_LIBRARY`: Absolute path to `nghttp2` library.
# - `NGHTTP2_INCLUDE_DIR`: Absolute path to nghttp2 include directory.
# - `NGHTTP2_LIBRARY`: Absolute path to `nghttp2` library.
# - `NGHTTP2_USE_STATIC_LIBS`: Configure for static nghttp2 libraries.
#
# Defines:
#
# - `NGHTTP2_FOUND`: System has nghttp2.
# - `NGHTTP2_VERSION`: Version of nghttp2.
# - `CURL::nghttp2`: nghttp2 library target.
# - `NGHTTP2_FOUND`: System has nghttp2.
# - `NGHTTP2_VERSION`: Version of nghttp2.
# - `CURL::nghttp2`: nghttp2 library target.
set(_nghttp2_pc_requires "libnghttp2")
@ -46,10 +47,21 @@ endif()
if(_nghttp2_FOUND)
set(NGHTTP2_FOUND TRUE)
set(NGHTTP2_VERSION ${_nghttp2_VERSION})
if(NGHTTP2_USE_STATIC_LIBS)
set(_nghttp2_CFLAGS "${_nghttp2_STATIC_CFLAGS}")
set(_nghttp2_INCLUDE_DIRS "${_nghttp2_STATIC_INCLUDE_DIRS}")
set(_nghttp2_LIBRARY_DIRS "${_nghttp2_STATIC_LIBRARY_DIRS}")
set(_nghttp2_LIBRARIES "${_nghttp2_STATIC_LIBRARIES}")
endif()
message(STATUS "Found NGHTTP2 (via pkg-config): ${_nghttp2_INCLUDE_DIRS} (found version \"${NGHTTP2_VERSION}\")")
else()
find_path(NGHTTP2_INCLUDE_DIR NAMES "nghttp2/nghttp2.h")
find_library(NGHTTP2_LIBRARY NAMES "nghttp2" "nghttp2_static")
if(NGHTTP2_USE_STATIC_LIBS)
set(_nghttp2_CFLAGS "-DNGHTTP2_STATICLIB")
find_library(NGHTTP2_LIBRARY NAMES "nghttp2_static" "nghttp2")
else()
find_library(NGHTTP2_LIBRARY NAMES "nghttp2" "nghttp2_static")
endif()
unset(NGHTTP2_VERSION CACHE)
if(NGHTTP2_INCLUDE_DIR AND EXISTS "${NGHTTP2_INCLUDE_DIR}/nghttp2/nghttp2ver.h")