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samuel40791765samuel40791765
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Add support for building with pkgconfig (#1310)
librelp, bind, and other libraries use package config to detect OpenSSL support. This lets these projects find AWS-LC with their existing build configurations.
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‎CMakeLists.txt

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@@ -1115,3 +1115,17 @@ FILE(STRINGS "include/openssl/opensslv.h"
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if(NOT ${BASE_VERSION_NUMBER} MATCHES ${OPENSSLV_VERSION_NUMBER})
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message( FATAL_ERROR "OPENSSL_VERSION_NUMBER in base.h and opensslv.h should match.")
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endif()
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# TODO: Find a way to make this automatically align with OPENSSL_VERSION_NUMBER in base.h.
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set(VERSION 1.1.1)
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# AWS-LC may be installed in a non-standard prefix. If OpenSSL exists in the standard path,
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# the downstream integration may build with the system's OpenSSL version instead.
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# Consider adjusting the PKG_CONFIG_PATH environment to get around this.
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file(GLOB OPENSSL_PKGCONFIGS "pkgconfig/*.pc.in")
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foreach(in_file ${OPENSSL_PKGCONFIGS})
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file(RELATIVE_PATH in_file ${PROJECT_SOURCE_DIR} ${in_file})
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string(REPLACE ".in" "" pc_file ${in_file})
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configure_file(${in_file} ${CMAKE_CURRENT_BINARY_DIR}/${pc_file} @ONLY)
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install(FILES ${CMAKE_CURRENT_BINARY_DIR}/${pc_file} DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig)
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endforeach()

‎pkgconfig/libcrypto.pc.in

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prefix=@CMAKE_INSTALL_PREFIX@
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libdir=${prefix}/lib
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includedir=${prefix}/include
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Name: AWS-LC-libcrypto
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Description: AWS-LC cryptography library
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Version: @VERSION@
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Libs: -L${libdir} -lcrypto
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Cflags: -I${includedir}

‎pkgconfig/libssl.pc.in

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prefix=@CMAKE_INSTALL_PREFIX@
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libdir=${prefix}/lib
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includedir=${prefix}/include
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Name: AWS-LC-libssl
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Description: AWS-LC (OpenSSL SHIM)
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Version: @VERSION@
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Requires.private: libcrypto
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Libs: -L${libdir} -lssl
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Cflags: -I${includedir}

‎pkgconfig/openssl.pc.in

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prefix=@CMAKE_INSTALL_PREFIX@
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libdir=${prefix}/lib
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includedir=${prefix}/include
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Name: AWS-LC
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Description: AWS-LC (OpenSSL SHIM)
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Version: @VERSION@
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Requires: libssl libcrypto

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