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mkdef for 1.0.2 / unset CMAKE_WINDOWS_EXPORT_ALL_SYMBOLS
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,166 @@ | ||
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| # Help: | ||
| # cmake | ||
| # -DNUMFILE=xxx.num | ||
| # -DLIBRARY_FILE=LIBEAY32 / SSLEAY32 | ||
| # -DBINARY_DIR=<output-directory> | ||
| # -DOUTPUT_FILE=output.def | ||
| # -DPLATFORM=<platform> - currently only WIN32 is recognized, other possible value maybe "VMS" / "VOS" / "__FreeBSD__"... | ||
| # -P <this cmake> | ||
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| # Depends on CMake 3.17 which is the version CMake supports load_cache in CMake -P mode | ||
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| # There are duplicates in either the symbol name and the number so neither of them can be the key of our kv-pair | ||
| # So the key can be only line number | ||
| # Fortrunately there is no semicolon ";" in the .num file so we can use file(STRINGS) function! | ||
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| cmake_policy(VERSION ${CMAKE_VERSION}) | ||
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| file(STRINGS "${NUMFILE}" NUMFILE_CONTENT) | ||
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| # Read content from content to variables | ||
| set(I 0) | ||
| foreach(CONTENT_ITEM IN LISTS NUMFILE_CONTENT) | ||
| if (CONTENT_ITEM MATCHES "^([A-Za-z_][A-Za-z0-9_]*)[ \t\r\n]+([1-9][0-9]*)[ \t\r\n]+(EXIST|NOEXIST):([^:]*):(FUNCTION|VARIABLE):([^:]*)$") | ||
| # directly strip nonexist symbol! | ||
| if (CMAKE_MATCH_3 STREQUAL "EXIST") | ||
| set("CONTENT_ITEM_${I}_SYMBOL" "${CMAKE_MATCH_1}") | ||
| set("CONTENT_ITEM_${I}_PLACE" "${CMAKE_MATCH_2}") | ||
| set("CONTENT_ITEM_${I}_PLATFORM" "${CMAKE_MATCH_4}") | ||
| # set("CONTENT_ITEM_${I}_TYPE" "${CMAKE_MATCH_5}") # Useless on Windows | ||
| set("CONTENT_ITEM_${I}_CONDITION" "${CMAKE_MATCH_6}") | ||
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| math(EXPR I "${I} + 1") | ||
| endif() | ||
| endif() | ||
| endforeach() | ||
| set(CONTENT_LENGTH "${I}") | ||
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| # Convert CONTENT_ITEM_${I}_PLATFORM and CONTENT_ITEM_${I}_CONDITION to list (by converting comma "," to semicolon ";"), and calculate their length | ||
| set(I 0) | ||
| while (I LESS CONTENT_LENGTH) | ||
| string(REPLACE "," ";" CONTENT_ITEM_${I}_PLATFORM "${CONTENT_ITEM_${I}_PLATFORM}") | ||
| list(LENGTH CONTENT_ITEM_${I}_PLATFORM CONTENT_ITEM_${I}_PLATFORM_LENGTH) | ||
| string(REPLACE "," ";" CONTENT_ITEM_${I}_CONDITION "${CONTENT_ITEM_${I}_CONDITION}") | ||
| list(LENGTH CONTENT_ITEM_${I}_CONDITION CONTENT_ITEM_${I}_CONDITION_LENGTH) | ||
| math(EXPR I "${I} + 1") | ||
| endwhile() | ||
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| # Merge all condition into one, then load the cached values | ||
| set(I 0) | ||
| # Some conditions act as platform options instead of a condition | ||
| set(ALL_CONDITIONS OPENSSL_ZLIB OPENSSL_FIPS) | ||
| while (I LESS CONTENT_LENGTH) | ||
| foreach (C IN LISTS CONTENT_ITEM_${I}_CONDITION) | ||
| list(APPEND ALL_CONDITIONS "OPENSSL_${C}") | ||
| endforeach() | ||
| math(EXPR I "${I} + 1") | ||
| endwhile() | ||
| list(REMOVE_DUPLICATES ALL_CONDITIONS) | ||
| load_cache("${BINARY_DIR}" READ_WITH_PREFIX "" ${ALL_CONDITIONS}) | ||
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| # Now that OPENSSL_* is available here! | ||
| if (PLATFORM STREQUAL "WIN32") | ||
| set(OPENSSL_EXPORT_VAR_AS_FUNCTION 1) | ||
| endif() | ||
| if (OPENSSL_FIPS) | ||
| set(OPENSSL_OPENSSL_FIPS 1) | ||
| endif() | ||
| set(OPENSSL_${PLATFORM} 1) | ||
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| # Judge platform options and condition, set(CONTENT_ITEM_${I}_SUPPRESS 1) if not fit | ||
| set(I 0) | ||
| while (I LESS CONTENT_LENGTH) | ||
| if (CONTENT_ITEM_${I}_PLATFORM_LENGTH GREATER 0) | ||
| # P: platform option | ||
| # RJ: judgement is reversed | ||
| # PJ: word to be judged | ||
| # PR: word matches | ||
| foreach (P IN LISTS CONTENT_ITEM_${I}_PLATFORM) | ||
| set(RJ no) | ||
| string(SUBSTRING "${P}" 0 1 P1) | ||
| set(PJ "${P}") | ||
| if (P1 STREQUAL "!") | ||
| string(SUBSTRING "${P}" 1 -1 PJ) | ||
| set(RJ yes) | ||
| endif() | ||
| if (OPENSSL_${PJ}) | ||
| set(PR yes) | ||
| else() | ||
| set(PR no) | ||
| endif() | ||
| if (RJ STREQUAL PR) | ||
| set(CONTENT_ITEM_${I}_SUPPRESS 1) | ||
| endif() | ||
| unset(RJ) | ||
| unset(PR) | ||
| unset(PJ) | ||
| unset(P1) | ||
| endforeach() | ||
| endif() | ||
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| if (CONTENT_ITEM_${I}_CONDITION_LENGTH GREATER 0) | ||
| foreach (C IN LISTS CONTENT_ITEM_${I}_CONDITION) | ||
| if (NOT OPENSSL_${C}) | ||
| set(CONTENT_ITEM_${I}_SUPPRESS 1) | ||
| endif() | ||
| endforeach() | ||
| endif() | ||
| math(EXPR I "${I} + 1") | ||
| endwhile() | ||
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| # Sort the needed symbols | ||
| # The needed symbols should be unique now! | ||
| set(I 0) | ||
| set(SYMBOLS) | ||
| while (I LESS CONTENT_LENGTH) | ||
| if (NOT DEFINED CONTENT_ITEM_${I}_SUPPRESS) | ||
| if (NOT "${CONTENT_ITEM_${I}_SYMBOL}" IN_LIST SYMBOLS) | ||
| set("PLACE_FOR_${CONTENT_ITEM_${I}_SYMBOL}" "${CONTENT_ITEM_${I}_PLACE}") | ||
| list(APPEND SYMBOLS "${CONTENT_ITEM_${I}_SYMBOL}") | ||
| else() | ||
| message(WARNING "Duplicated symbol: ${CONTENT_ITEM_${I}_SYMBOL}. The one with place ${CONTENT_ITEM_${I}_PLACE} is ignored.") | ||
| endif() | ||
| endif() | ||
| math(EXPR I "${I} + 1") | ||
| endwhile() | ||
| list(SORT SYMBOLS) | ||
| # Make sure "SSLeay" is the first in symbol list | ||
| if ("SSLeay" IN_LIST SYMBOLS) | ||
| list(REMOVE_ITEM SYMBOLS "SSLeay") | ||
| list(PREPEND SYMBOLS "SSLeay") | ||
| endif() | ||
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| # Finally generate the output file | ||
| # S: symbol | ||
| # SL: length of the symbol | ||
| # WL: length of the whitespaces | ||
| # W: whitespaces | ||
| set(EXPORT_TABLE) | ||
| foreach (S IN LISTS SYMBOLS) | ||
| string(LENGTH "${S}" SL) | ||
| math(EXPR WL "40 - ${SL}") | ||
| if (WL LESS 1) | ||
| set(WL 1) | ||
| endif() | ||
| string(REPEAT " " "${WL}" W) | ||
| string(APPEND EXPORT_TABLE " ${S}${W}@${PLACE_FOR_${S}} | ||
| ") | ||
| unset(SL) | ||
| unset(WL) | ||
| unset(W) | ||
| endforeach() | ||
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| if (NOT DEFINED OUTPUT_FILE) | ||
| message(NOTICE "${EXPORT_TABLE}") | ||
| else() | ||
| file(WRITE "${OUTPUT_FILE}" "; Generated by mkdef.cmake | ||
| ; Definition file for the DLL version of the ${LIBRARY_FILE} library from OpenSSL | ||
| ; | ||
| LIBRARY ${LIBRARY_FILE} | ||
| EXPORTS | ||
| ${EXPORT_TABLE} | ||
| ") | ||
| endif() |
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