Revise pc file construction

Use sqlite3, libtiff-4 and libcurl modules instead of plain libs
Allow opt out by setting 'USE_PKGCONFIG_MODULES' off.
Link native system libs on Windows, and implicit C++ libraries on
other systems (e.g. libstc++/libc++).

1 files changed, 1 insertions, 0 deletions

diff --git a/proj.pc.in b/proj.pc.in
index 54c5bfcc..9855aadc 100644
--- a/proj.pc.in
+++ b/proj.pc.in
@@ -11,4 +11,5 @@ Requires:
 Version: @VERSION@
 Libs: -L${libdir} -lproj
 Libs.private: @EXTRA_LIBS@
+Requires.private: @EXTRA_REQUIRES@
 Cflags: -I${includedir}