umockdev: Make library path references absolute

This simplifies consumers a lot.
This commit is contained in:
Jan Tojnar 2022-05-01 00:06:19 +02:00
parent 35b85a126d
commit 014b59a4b8
2 changed files with 90 additions and 0 deletions

View File

@ -28,6 +28,12 @@ stdenv.mkDerivation rec {
sha256 = "sha256-FEmWjJVmKKckC30zULGI/mZ3VNtirnweZq2gKh/Y5VE=";
};
patches = [
# Hardcode absolute paths to libraries so that consumers
# do not need to set LD_LIBRARY_PATH themselves.
./hardcode-paths.patch
];
nativeBuildInputs = [
docbook-xsl-nons
gobject-introspection
@ -57,6 +63,21 @@ stdenv.mkDerivation rec {
doCheck = true;
postPatch = ''
# Substitute the path to this derivation in the patch we apply.
substituteInPlace src/umockdev-wrapper \
--subst-var-by 'LIBDIR' "''${!outputLib}/lib"
'';
preCheck = ''
# Our patch makes the path to the `LD_PRELOAD`ed library absolute.
# When running tests, the library is not yet installed, though,
# so we need to replace the absolute path with a local one during build.
# We are using a symlink that will be overridden during installation.
mkdir -p "$out/lib"
ln -s "$PWD/libumockdev-preload.so.0" "$out/lib/libumockdev-preload.so.0"
'';
meta = with lib; {
description = "Mock hardware devices for creating unit tests";
license = licenses.lgpl21Plus;

View File

@ -0,0 +1,69 @@
diff --git a/meson.build b/meson.build
index 2ed9027..1f6bbf2 100644
--- a/meson.build
+++ b/meson.build
@@ -38,6 +38,7 @@ g_ir_compiler = find_program('g-ir-compiler', required: false)
conf.set('PACKAGE_NAME', meson.project_name())
conf.set_quoted('VERSION', meson.project_version())
+conf.set_quoted('LIBDIR', get_option('prefix') / get_option('libdir'))
# glibc versions somewhere between 2.28 and 2.34
if cc.has_function('__fxstatat', prefix: '#include <sys/stat.h>')
@@ -148,7 +149,7 @@ hacked_gir = custom_target('UMockdev-1.0 hacked gir',
if g_ir_compiler.found()
umockdev_typelib = custom_target('UMockdev-1.0 typelib',
- command: [g_ir_compiler, '--output', '@OUTPUT@', '-l', 'libumockdev.so.0', '@INPUT@'],
+ command: [g_ir_compiler, '--output', '@OUTPUT@', '-l', get_option('prefix') / get_option('libdir') / 'libumockdev.so.0', '@INPUT@'],
input: hacked_gir,
output: 'UMockdev-1.0.typelib',
install: true,
diff --git a/src/config.vapi b/src/config.vapi
index 5269dd0..a2ec46d 100644
--- a/src/config.vapi
+++ b/src/config.vapi
@@ -2,5 +2,6 @@
namespace Config {
public const string PACKAGE_NAME;
public const string VERSION;
+ public const string LIBDIR;
}
diff --git a/src/umockdev-record.vala b/src/umockdev-record.vala
index 8434d32..68c7f8e 100644
--- a/src/umockdev-record.vala
+++ b/src/umockdev-record.vala
@@ -435,7 +435,7 @@ main (string[] args)
preload = "";
else
preload = preload + ":";
- Environment.set_variable("LD_PRELOAD", preload + "libumockdev-preload.so.0", true);
+ Environment.set_variable("LD_PRELOAD", preload + Config.LIBDIR + "/libumockdev-preload.so.0", true);
try {
root_dir = DirUtils.make_tmp("umockdev.XXXXXX");
diff --git a/src/umockdev-run.vala b/src/umockdev-run.vala
index 9a1ba10..6df2522 100644
--- a/src/umockdev-run.vala
+++ b/src/umockdev-run.vala
@@ -95,7 +95,7 @@ main (string[] args)
preload = "";
else
preload = preload + ":";
- Environment.set_variable ("LD_PRELOAD", preload + "libumockdev-preload.so.0", true);
+ Environment.set_variable ("LD_PRELOAD", preload + Config.LIBDIR + "/libumockdev-preload.so.0", true);
var testbed = new UMockdev.Testbed ();
diff --git a/src/umockdev-wrapper b/src/umockdev-wrapper
index 6ce4dcd..706c49a 100755
--- a/src/umockdev-wrapper
+++ b/src/umockdev-wrapper
@@ -1,5 +1,5 @@
#!/bin/sh
# Wrapper program to preload the libumockdev library, so that test programs can
# set $UMOCKDEV_DIR for redirecting sysfs and other queries to a test bed.
-exec env LD_PRELOAD=libumockdev-preload.so.0:$LD_PRELOAD "$@"
+exec env LD_PRELOAD=@LIBDIR@/libumockdev-preload.so.0:$LD_PRELOAD "$@"