From a0d6ec07c91801859aa1c92f65ee6a924a306e0a Mon Sep 17 00:00:00 2001
From: Florian Fischer <florian.fl.fischer@fau.de>
Date: Thu, 18 Feb 2021 12:14:18 +0100
Subject: [PATCH] [meson] fix version header custom target for meson >= 0.57
Apparently custom_target no longer supports the @CURRENT_SOURCE_DIR@
and @SOURCE_DIR@ substitutions.
We now locate the script using find_program().
Since meson.project_source_dir() is not available in older meson version
there is a version check.
---
emper/include/meson.build | 41 ++++++++++++++++++++++++++++-----------
1 file changed, 30 insertions(+), 11 deletions(-)
diff --git a/emper/include/meson.build b/emper/include/meson.build
index 286ccd77..b86f7920 100644
--- a/emper/include/meson.build
+++ b/emper/include/meson.build
@@ -1,14 +1,33 @@
emper_include = include_directories('.')
-emper_version_h = custom_target(
- 'emper-version.h',
- output: 'emper-version.h',
- command: [
- '@CURRENT_SOURCE_DIR@/generateVersionHeader.sh',
- 'generate',
- meson.project_version(),
- '@OUTPUT@',
- '@SOURCE_DIR@',
- ]
-)
+versionHeaderScript = find_program('generateVersionHeader.sh')
+
+meson_version = meson.version().split('.')
+major = meson_version[0].to_int()
+minor = meson_version[1].to_int()
+if major > 0 or minor > 56
+ emper_version_h = custom_target(
+ 'emper-version.h',
+ output: 'emper-version.h',
+ command: [
+ versionHeaderScript,
+ 'generate',
+ meson.project_version(),
+ '@OUTPUT@',
+ meson.project_source_root(),
+ ]
+ )
+else
+ emper_version_h = custom_target(
+ 'emper-version.h',
+ output: 'emper-version.h',
+ command: [
+ versionHeaderScript,
+ 'generate',
+ meson.project_version(),
+ '@OUTPUT@',
+ '@SOURCE_DIR@',
+ ]
+ )
+endif
emper_generated_files += emper_version_h
--
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