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-rw-r--r--Utilities/cmlibarchive/CMakeLists.txt2
1 files changed, 2 insertions, 0 deletions
diff --git a/Utilities/cmlibarchive/CMakeLists.txt b/Utilities/cmlibarchive/CMakeLists.txt
index 6b13c2f..00550e2 100644
--- a/Utilities/cmlibarchive/CMakeLists.txt
+++ b/Utilities/cmlibarchive/CMakeLists.txt
@@ -94,6 +94,8 @@ IF(WIN32)
SET(_WIN32_WINNT ${WINVER})
ENDIF(WIN32)
+set(HAVE_PTHREAD_H 0) # no threads in CMake
+
IF("${CMAKE_C_PLATFORM_ID}" MATCHES "^(HP-UX)$")
ADD_DEFINITIONS(-D_XOPEN_SOURCE=500) # Ask wchar.h for mbstate_t
ENDIF()