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cmake_export_symbol: Darwin compatibility

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The Darwin platform prefixes all C symbols with an underscore.  At
link-time of a shared library, libressl generates a list of symbols to
export, but does not prefix each symbol with an underscore.

This commit addresses that issue.
This commit is contained in:
Masud Rahman 2017-06-25 18:19:20 -04:00
parent 8b80bcdad8
commit 73e51e012f
1 changed files with 7 additions and 1 deletions
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8
cmake_export_symbol.cmake
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@ -10,7 +10,13 @@ macro(export_symbol TARGET FILENAME)
target_sources(${TARGET} PRIVATE ${DEF_FILENAME})
elseif(APPLE)
set(FLAG "-exported_symbols_list ${FILENAME}")
file(READ ${FILENAME} SYMBOLS)
string(REGEX REPLACE "\n$" "" SYMBOLS ${SYMBOLS})
string(REPLACE "\n" "\n_" SYMBOLS ${SYMBOLS})
string(REGEX REPLACE "(.)$" "\\1\\n" SYMBOLS ${SYMBOLS})
string(REPLACE ".sym" ".exp" EXP_FILENAME ${FILENAME})
file(WRITE ${EXP_FILENAME} "_${SYMBOLS}")
set(FLAG "-exported_symbols_list ${EXP_FILENAME}")
set_target_properties(${TARGET} PROPERTIES LINK_FLAGS ${FLAG})
elseif(CMAKE_SYSTEM_NAME MATCHES "HP-UX")