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--- a/src/swipl.pc.in
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+++ b/src/swipl.pc.in
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@@ -1,7 +1,7 @@
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 prefix=@prefix@
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 exec_prefix=@exec_prefix@
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 libdir=@libdir@
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-includedir=@includedir@
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+includedir=${libdir}/@PL@-@PLVERSION@/include
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 PLBASE=@PLBASE@
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 PLARCH=@PLARCH@