From fc2a0c2aba0a8526412869349683cb04f1038465 Mon Sep 17 00:00:00 2001
From: Arun Isaac
Date: Wed, 10 Feb 2021 14:28:32 +0530
Subject: Add pre-installation environment script.

The pre-inst-env script is required to find freshly built libraries
and scheme files before installation.

* pre-inst-env.in: New file.
* CMakeLists.txt: Configure pre-inst-env.in with correct paths.
---
 CMakeLists.txt  | 3 +++
 pre-inst-env.in | 7 +++++++
 2 files changed, 10 insertions(+)
 create mode 100755 pre-inst-env.in

diff --git a/CMakeLists.txt b/CMakeLists.txt
index beae2ff..5c0adf2 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -69,3 +69,6 @@ if(${GUILE_FOUND})
   install(FILES ${CMAKE_BINARY_DIR}/${SCM_WRAPPER_GO_PATH}
     DESTINATION ${CMAKE_INSTALL_LIBDIR}/guile/site/${GUILE_MAJOR_VERSION}.${GUILE_MINOR_VERSION}/site-ccache/extent-sampling)
 endif()
+
+# Configure environment wrapper script.
+configure_file(pre-inst-env.in pre-inst-env @ONLY)
diff --git a/pre-inst-env.in b/pre-inst-env.in
new file mode 100755
index 0000000..2f0dfed
--- /dev/null
+++ b/pre-inst-env.in
@@ -0,0 +1,7 @@
+#! /bin/sh
+
+export GUILE_LOAD_PATH="@CMAKE_BINARY_DIR@/scm${GUILE_LOAD_PATH:+:}${GUILE_LOAD_PATH}"
+export GUILE_LOAD_COMPILED_PATH="@CMAKE_BINARY_DIR@/scm${GUILE_LOAD_COMPILED_PATH:+:}${GUILE_LOAD_COMPILED_PATH}"
+export LD_LIBRARY_PATH="@CMAKE_BINARY_DIR@${LD_LIBRARY_PATH:+:}${LD_LIBRARY_PATH}"
+
+exec "$@"
-- 
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