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build: Set CMAKE_OSX_DEPLOYMENT_TARGET to 26.0 #7785

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build: Set CMAKE_OSX_DEPLOYMENT_TARGET to 26.0 #7785

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3ecb992
build: Set CMAKE_OSX_DEPLOYMENT_TARGET to 26.0
mathbunnyru Jul 10, 2026
348e716
Document minimum macOS supported version
mathbunnyru Jul 10, 2026
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5 changes: 4 additions & 1 deletion BUILD.md
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Original file line number Diff line number Diff line change
Expand Up @@ -41,7 +41,10 @@ Our Linux CI tooling is distro-independent and uses a Nix-based environment, so

### macOS

Many `xrpld` engineers use macOS for development.
Many `xrpld` engineers use macOS for development. The minimum supported version
is macOS 26, which is also what our CI builds and tests against. The build
defaults `CMAKE_OSX_DEPLOYMENT_TARGET` accordingly, so you do not need to pass it
yourself.

### Windows

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15 changes: 15 additions & 0 deletions CMakeLists.txt
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Expand Up @@ -13,6 +13,21 @@ if(DEFINED CMAKE_MODULE_PATH)
endif()
list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake")

# Default the macOS deployment target so it does not have to be passed on the
# command line. Must be set before project() because project() consumes it when
# configuring the compiler and SDK. A user-provided -DCMAKE_OSX_DEPLOYMENT_TARGET
# still takes precedence.
if(
CMAKE_HOST_SYSTEM_NAME STREQUAL "Darwin"
AND NOT DEFINED CMAKE_OSX_DEPLOYMENT_TARGET
)
set(CMAKE_OSX_DEPLOYMENT_TARGET
"26.0"
CACHE STRING
"Minimum macOS deployment version"
)
endif()

project(xrpl)
set(CMAKE_CXX_EXTENSIONS OFF)
set(CMAKE_CXX_STANDARD 23)
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