liblzma: Add Cflags.private to liblzma.pc.in for MSYS2.

It properly adds -DLZMA_API_STATIC when compiling code that
will be linked against static liblzma. Having it there on
systems other than Windows does no harm.

See: https://www.msys2.org/docs/pkgconfig/

diff --git a/src/liblzma/liblzma.pc.in b/src/liblzma/liblzma.pc.in
index 9fa489115a0a23c6162fa7d8bf1f634210071036..d077cb77135af3429c2f2f4139e4e957511f8b3e 100644 (file)
--- a/src/liblzma/liblzma.pc.in
+++ b/src/liblzma/liblzma.pc.in
@@ -15,5 +15,6 @@ Description: General purpose data compression library
 URL: @PACKAGE_URL@
 Version: @PACKAGE_VERSION@
 Cflags: -I${includedir}
+Cflags.private: -DLZMA_API_STATIC
 Libs: -L${libdir} -llzma
 Libs.private: @PTHREAD_CFLAGS@ @LIBS@