set thirdparty libraries symbol visibility (#544)

Hide everything since antiword and chmlib are compiled and linked statically and none of their symbols are exported by the main library.
koreader · Oct 26, 2023 · 2312401 · 2312401
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commit 2312401
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diff --git a/thirdparty/antiword/CMakeLists.txt b/thirdparty/antiword/CMakeLists.txt
@@ -47,3 +47,4 @@ endif(WIN32)
 
 ADD_LIBRARY(antiword STATIC ${ANTIWORD_SOURCES})
 
+set_target_properties(antiword PROPERTIES C_VISIBILITY_PRESET hidden)
diff --git a/thirdparty/chmlib/CMakeLists.txt b/thirdparty/chmlib/CMakeLists.txt
@@ -19,3 +19,4 @@ SET (CHMLIB_SOURCES
 
 ADD_LIBRARY(chmlib STATIC ${CHMLIB_SOURCES})
 
+set_target_properties(chmlib PROPERTIES C_VISIBILITY_PRESET hidden)
Original file line number	Diff line number	Diff line change
Expand Up		@@ -47,3 +47,4 @@ endif(WIN32)

		ADD_LIBRARY(antiword STATIC ${ANTIWORD_SOURCES})

		set_target_properties(antiword PROPERTIES C_VISIBILITY_PRESET hidden)
Original file line number	Diff line number	Diff line change
Expand Up		@@ -19,3 +19,4 @@ SET (CHMLIB_SOURCES

		ADD_LIBRARY(chmlib STATIC ${CHMLIB_SOURCES})

		set_target_properties(chmlib PROPERTIES C_VISIBILITY_PRESET hidden)