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cmake: use writev(3p) wrapper as needed #2078

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cmake: use writev(3p) wrapper as needed #2078

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6 changes: 5 additions & 1 deletion contrib/buildsystems/CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -376,7 +376,7 @@ endif()
#function checks
set(function_checks
strcasestr memmem strlcpy strtoimax strtoumax strtoull
setenv mkdtemp poll pread memmem)
setenv mkdtemp poll pread memmem writev)

#unsetenv,hstrerror are incompatible with windows build
if(NOT WIN32)
Expand Down Expand Up @@ -421,6 +421,10 @@ if(NOT HAVE_MEMMEM)
list(APPEND compat_SOURCES compat/memmem.c)
endif()

if(NOT HAVE_WRITEV)
list(APPEND compat_SOURCES compat/writev.c)
endif()

if(NOT WIN32)
if(NOT HAVE_UNSETENV)
list(APPEND compat_SOURCES compat/unsetenv.c)
Expand Down
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