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Issue #705: disable locale handling when building for a uClibc system because its duplocale() function (intentionally) crashes.

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This commit is contained in:
Eric Haszlakiewicz
2022-07-30 20:27:35 +00:00
parent 9749b0cb66
commit 253a5fa99d
3 changed files with 14 additions and 2 deletions
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12
CMakeLists.txt
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@@ -192,6 +192,18 @@ if (HAVE_LOCALE_H)
check_symbol_exists(setlocale "locale.h" HAVE_SETLOCALE)
check_symbol_exists(uselocale "locale.h" HAVE_USELOCALE)
endif()
# uClibc *intentionally* crashes in duplocale(), at least as of:
# https://github.com/ffainelli/uClibc/blob/266bdc1/libc/misc/locale/locale.c#L1322
# So, if it looks like we're compiling for a system like that just disable
# locale handling entirely.
exec_program(${CMAKE_C_COMPILER} ARGS -dumpmachine OUTPUT_VARIABLE CMAKE_GNU_C_MACHINE)
if (CMAKE_GNU_C_MACHINE MATCHES "uclibc")
message(STATUS "Detected uClibc compiler, disabling locale handling")
set(HAVE_SETLOCALE 0)
set(HAVE_USELOCALE 0)
endif()
if (HAVE_STRINGS_H)
check_symbol_exists(strcasecmp "strings.h" HAVE_STRCASECMP)
check_symbol_exists(strncasecmp "strings.h" HAVE_STRNCASECMP)