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lemon-graph: fix build with CMake 4.0

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Pull in https://github.com/The-OpenROAD-Project/lemon-graph/pull/2.

Upstream seems to be down (at least currently), and while this is an
unofficial fork, the patch applies cleanly and fixes the build.
This commit is contained in:
Florian Klink
2025-10-06 09:40:20 +03:00
parent c18cbf88ca
commit f5eacdf247
2 changed files with 100 additions and 0 deletions
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95
pkgs/by-name/le/lemon-graph/cmake_version.patch Normal file
View File

@@ -0,0 +1,95 @@
From 0073156cc16cecc597902e9294e4996dafacc1a3 Mon Sep 17 00:00:00 2001
From: hiaselhans <simon.klemenc@gmail.com>
Date: Wed, 21 May 2025 08:12:37 +0200
Subject: [PATCH] update cmake to work with newer versions
---
.gitignore | 1 +
CMakeLists.txt | 61 +++++++++-----------------------------------------
2 files changed, 11 insertions(+), 51 deletions(-)
create mode 100644 .gitignore
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..c795b05
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+build
\ No newline at end of file
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 03e1cc7..26ec718 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,61 +1,20 @@
-CMAKE_MINIMUM_REQUIRED(VERSION 2.8)
-
-CMAKE_POLICY(SET CMP0048 OLD)
+CMAKE_MINIMUM_REQUIRED(VERSION 3.12...5.0)
SET(PROJECT_NAME "LEMON")
-PROJECT(${PROJECT_NAME})
-
-INCLUDE(FindPythonInterp)
-INCLUDE(FindWget)
-IF(EXISTS ${PROJECT_SOURCE_DIR}/cmake/version.cmake)
- INCLUDE(${PROJECT_SOURCE_DIR}/cmake/version.cmake)
-ELSEIF(DEFINED ENV{LEMON_VERSION})
+IF(DEFINED ENV{LEMON_VERSION})
SET(LEMON_VERSION $ENV{LEMON_VERSION} CACHE STRING "LEMON version string.")
+ELSEIF(EXISTS ${CMAKE_SOURCE_DIR}/cmake/version.cmake)
+ INCLUDE(${CMAKE_SOURCE_DIR}/cmake/version.cmake)
ELSE()
- EXECUTE_PROCESS(
- COMMAND
- hg log -r. --template "{latesttag}"
- WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
- OUTPUT_VARIABLE HG_REVISION_TAG
- ERROR_QUIET
- OUTPUT_STRIP_TRAILING_WHITESPACE
- )
- EXECUTE_PROCESS(
- COMMAND
- hg log -r. --template "{latesttagdistance}"
- WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
- OUTPUT_VARIABLE HG_REVISION_DIST
- ERROR_QUIET
- OUTPUT_STRIP_TRAILING_WHITESPACE
- )
- EXECUTE_PROCESS(
- COMMAND
- hg log -r. --template "{node|short}"
- WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
- OUTPUT_VARIABLE HG_REVISION_ID
- ERROR_QUIET
- OUTPUT_STRIP_TRAILING_WHITESPACE
- )
+ MESSAGE(FATAL_ERROR "LEMON_VERSION is not defined. Please set it in the environment")
+ENDIF()
- IF(HG_REVISION_TAG STREQUAL "")
- SET(HG_REVISION_ID "hg-tip")
- ELSE()
- IF(HG_REVISION_TAG STREQUAL "null")
- SET(HG_REVISION_TAG "trunk")
- ELSEIF(HG_REVISION_TAG MATCHES "^r")
- STRING(SUBSTRING ${HG_REVISION_TAG} 1 -1 HG_REVISION_TAG)
- ENDIF()
- IF(HG_REVISION_DIST STREQUAL "0")
- SET(HG_REVISION ${HG_REVISION_TAG})
- ELSE()
- SET(HG_REVISION
- "${HG_REVISION_TAG}+${HG_REVISION_DIST}-${HG_REVISION_ID}")
- ENDIF()
- ENDIF()
- SET(LEMON_VERSION ${HG_REVISION} CACHE STRING "LEMON version string.")
-ENDIF()
+PROJECT(${PROJECT_NAME} VERSION ${LEMON_VERSION})
+
+find_package(Python3 REQUIRED COMPONENTS Interpreter)
+INCLUDE(FindWget)
SET(PROJECT_VERSION ${LEMON_VERSION})

5
pkgs/by-name/le/lemon-graph/package.nix
View File

@@ -3,6 +3,7 @@
stdenv,
fetchurl,
cmake,
python3,
}:
stdenv.mkDerivation rec {
@@ -14,6 +15,7 @@ stdenv.mkDerivation rec {
sha256 = "1j6kp9axhgna47cfnmk1m7vnqn01hwh7pf1fp76aid60yhjwgdvi";
};
buildInputs = [ python3 ];
nativeBuildInputs = [ cmake ];
# error: no viable conversion from ...
@@ -22,6 +24,9 @@ stdenv.mkDerivation rec {
patches = [
# error: ISO C++17 does not allow 'register' storage class specifier
./remove-register.patch
# fix cmake compatibility. vendored from https://github.com/The-OpenROAD-Project/lemon-graph/pull/2
./cmake_version.patch
];
meta = with lib; {