1108132cbd
Exclude systemd usage if the library is not installed. Only excluding what is necessary. This keeps the object size the same and still compiles most of the code.
63 lines
1.5 KiB
CMake
63 lines
1.5 KiB
CMake
#Checks for all the C system headers found in all the files
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include(CheckFunctionExists)
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include(CheckLibraryExists)
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include(CheckIncludeFiles)
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include(CheckCXXSourceCompiles)
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# Check for libraries MaxScale depends on
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find_library(HAVE_LIBSSL NAMES ssl)
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if(NOT HAVE_LIBSSL)
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message(FATAL_ERROR "Could not find libssl")
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endif()
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find_library(HAVE_LIBCRYPT NAMES crypt)
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if(NOT HAVE_LIBCRYPT)
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message(FATAL_ERROR "Could not find libcrypt")
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endif()
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find_library(HAVE_LIBCRYPTO NAMES crypto)
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if(NOT HAVE_LIBCRYPTO)
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message(FATAL_ERROR "Could not find libcrypto")
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endif()
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find_library(HAVE_LIBZ NAMES z)
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if(NOT HAVE_LIBZ)
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message(FATAL_ERROR "Could not find libz")
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endif()
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find_library(HAVE_LIBM NAMES m)
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if(NOT HAVE_LIBM)
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message(FATAL_ERROR "Could not find libm")
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endif()
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find_library(HAVE_LIBRT NAMES rt)
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if(NOT HAVE_LIBRT)
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message(FATAL_ERROR "Could not find librt")
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endif()
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find_library(HAVE_LIBPTHREAD NAMES pthread)
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if(NOT HAVE_LIBPTHREAD)
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message(FATAL_ERROR "Could not find libpthread")
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endif()
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# systemd libraries are optional
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find_library(HAVE_SYSTEMD NAMES systemd)
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if(HAVE_SYSTEMD)
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add_definitions(-DHAVE_SYSTEMD=1)
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endif()
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# The XSI version of strerror_r return an int and the GNU version a char*
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check_cxx_source_compiles("
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#define _GNU_SOURCE 1
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#include <string.h>\n
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int main(){\n
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char errbuf[200];\n
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return strerror_r(13, errbuf, sizeof(errbuf)) == errbuf;\n
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}\n"
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HAVE_GLIBC)
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if(HAVE_GLIBC)
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add_definitions(-DHAVE_GLIBC=1)
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endif()
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