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-rw-r--r--Source/cmGeneratorExpression.cxx2
1 files changed, 1 insertions, 1 deletions
diff --git a/Source/cmGeneratorExpression.cxx b/Source/cmGeneratorExpression.cxx
index b605350..c5ae31b 100644
--- a/Source/cmGeneratorExpression.cxx
+++ b/Source/cmGeneratorExpression.cxx
@@ -406,7 +406,7 @@ void cmGeneratorExpression::ReplaceInstallPrefix(
while ((pos = input.find("$<INSTALL_PREFIX>", lastPos)) !=
std::string::npos) {
- std::string::size_type endPos = pos + sizeof("$<INSTALL_PREFIX>") - 1;
+ std::string::size_type endPos = pos + cmStrLen("$<INSTALL_PREFIX>");
input.replace(pos, endPos - pos, replacement);
lastPos = endPos;
}