prevent GObject-Introspection from setting EB-filtered environment variables

easystacks/software.eessi.io/2023.06/rebuilds/20240719-eb-4.9.2-GObject-Introspection-filter-envvars.yml

@@ -0,0 +1,12 @@
+# 2024.07.19
+# GObject-Introspection sets $LD_LIBRARY_PATH (to many different paths, including $EPREFIX/lib)
+# when calling gcc, and this causes a lot of issues for, especially, scripts using /bin/bash.
+#
+# This rebuild ensures (by using a new EasyBuild hook) that GObject-Introspection will not set
+# environment variables that are configured to be filtered by EasyBuild.
+# 
+# See https://github.com/EESSI/software-layer/issues/196
+easyconfigs:
+  - GObject-Introspection-1.74.0-GCCcore-12.2.0.eb
+  - GObject-Introspection-1.76.1-GCCcore-12.3.0.eb
+  - GObject-Introspection-1.78.1-GCCcore-13.2.0.eb

eb_hooks.py

@@ -387,6 +387,24 @@ def pre_configure_hook_extrae(self, *args, **kwargs):
     else:
         raise EasyBuildError("Extrae-specific hook triggered for non-Extrae easyconfig?!")
 
+
+def pre_configure_hook_gobject_introspection(self, *args, **kwargs):
+    """
+    pre-configure hook for GObject-Introspection:
+    - prevent GObject-Introspection from setting $LD_LIBRARY_PATH if Easybuild is configured to filter it
+      that are configured to be filtered by EasyBuild, see:
+      https://github.com/EESSI/software-layer/issues/196
+    """
+    if self.name == 'GObject-Introspection':
+        # inject a line that removes all items from runtime_path_envvar that are in $EASYBUILD_FILTER_ENVVARS
+        sed_cmd = r'sed -i "s@\(^\s*runtime_path_envvar = \)\(.*\)@'
+        sed_cmd += r'\1\2\n\1 [x for x in runtime_path_envvar if not x in os.environ.get(\'EASYBUILD_FILTER_ENV_VARS\', \'\').split(\',\')]@g"'
+        sed_cmd += ' %(start_dir)s/giscanner/ccompiler.py && '
+        self.cfg.update('preconfigopts', sed_cmd)
+    else:
+        raise EasyBuildError("GObject-Introspection-specific hook triggered for non-GObject-Introspection easyconfig?!")
+
+
 def pre_configure_hook_gromacs(self, *args, **kwargs):
     """
     Pre-configure hook for GROMACS:
@@ -744,6 +762,7 @@ def inject_gpu_property(ec):
 PRE_CONFIGURE_HOOKS = {
     'at-spi2-core': pre_configure_hook_atspi2core_filter_ld_library_path,
     'BLIS': pre_configure_hook_BLIS_a64fx,
+    'GObject-Introspection': pre_configure_hook_gobject_introspection,
     'Extrae': pre_configure_hook_extrae,
     'GROMACS': pre_configure_hook_gromacs,
     'libfabric': pre_configure_hook_libfabric_disable_psm3_x86_64_generic,