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-rw-r--r--src/option.cc4
1 files changed, 3 insertions, 1 deletions
diff --git a/src/option.cc b/src/option.cc
index b45fc87b..1a68d2a8 100644
--- a/src/option.cc
+++ b/src/option.cc
@@ -126,7 +126,9 @@ void process_environment(const char ** envp, const string& tag,
if (*q == '=') {
try {
- process_option(string(buf), scope, q + 1, string(*p, q - *p));
+ string value = string(*p, q - *p);
+ if (! value.empty())
+ process_option(string(buf), scope, q + 1, value);
}
catch (const std::exception& err) {
add_error_context("While parsing environment variable option '"