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36 lines
1.2 KiB
Diff
36 lines
1.2 KiB
Diff
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From 4046e0ac8ed93354c01de5f3b5cae790cce70404 Mon Sep 17 00:00:00 2001
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From: Will Dietz <w@wdtz.org>
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Date: Thu, 29 Mar 2018 07:21:02 -0500
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Subject: [PATCH] Explicitly search LIBGL_PATH as fallback, if defined.
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---
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src/dispatch_common.c | 12 ++++++++++++
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1 file changed, 12 insertions(+)
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diff --git a/src/dispatch_common.c b/src/dispatch_common.c
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index bc2fb94..776237b 100644
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--- a/src/dispatch_common.c
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+++ b/src/dispatch_common.c
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@@ -306,6 +306,18 @@ get_dlopen_handle(void **handle, const char *lib_name, bool exit_on_fail)
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pthread_mutex_lock(&api.mutex);
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if (!*handle) {
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*handle = dlopen(lib_name, RTLD_LAZY | RTLD_LOCAL);
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+#ifdef LIBGL_PATH
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+ if (!*handle) {
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+ char pathbuf[sizeof(LIBGL_PATH) + 1 + 1024 + 1];
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+ int l = snprintf(pathbuf, sizeof(pathbuf), "%s/%s", LIBGL_PATH, lib_name);
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+ if (l < 0 || l >= sizeof(pathbuf)) {
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+ // This really shouldn't happen
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+ fprintf(stderr, "Error prefixing library pathname\n");
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+ exit(1);
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+ }
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+ *handle = dlopen(pathbuf, RTLD_LAZY | RTLD_LOCAL);
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+ }
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+#endif
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if (!*handle) {
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if (exit_on_fail) {
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fprintf(stderr, "Couldn't open %s: %s\n", lib_name, dlerror());
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--
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2.16.3
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