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-rw-r--r--psi/msvc.mak8
1 files changed, 8 insertions, 0 deletions
diff --git a/psi/msvc.mak b/psi/msvc.mak
index 0891a16d3..1a2e4d3ad 100644
--- a/psi/msvc.mak
+++ b/psi/msvc.mak
@@ -720,6 +720,14 @@ JBIG2SRCDIR=jbig2dec
JPX_LIB=openjpeg
!endif
+# If $EXTRACT_DIR is unset, and the 'extract' directory exists,
+# default it to that.
+!if "$(EXTRACT_DIR)" == ""
+! if exist("extract")
+EXTRACT_DIR=extract
+! endif
+!endif
+
# If $EXTRACT_DIR is set, build with Extract library.
#
!if "$(EXTRACT_DIR)" != ""