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gh-127604: ensure -ldl is passed to the linker when dladdr1 is found #133040

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Merged
merged 7 commits into from
Apr 27, 2025
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gh-127604: ensure -ldl is passed to the linker when dladdr1 is found #133040

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64d81b4
ensure `-ldl` is passed to the linker when `dladdr1` is found
picnixz Apr 27, 2025
3d22310
cosmetics
picnixz Apr 27, 2025
49f2072
Update configure.ac
picnixz Apr 27, 2025
91ec040
Update configure
picnixz Apr 27, 2025
a479584
Update pyconfig.h.in
picnixz Apr 27, 2025
549ba62
Update faulthandler.rst
picnixz Apr 27, 2025
f73ed0b
Update Doc/library/faulthandler.rst
picnixz Apr 27, 2025
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26 changes: 13 additions & 13 deletions configure
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8 changes: 6 additions & 2 deletions configure.ac
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Original file line number Diff line number Diff line change
Expand Up @@ -2986,8 +2986,12 @@ AC_HEADER_DIRENT
AC_HEADER_MAJOR

# for faulthandler
AC_CHECK_HEADERS([execinfo.h link.h dlfcn.h],
[AC_CHECK_FUNCS(backtrace backtrace_symbols dladdr1)])
AC_CHECK_HEADERS([execinfo.h link.h dlfcn.h], [
AC_CHECK_FUNCS([backtrace backtrace_symbols dladdr1], [
# dladdr1 requires -ldl
AS_VAR_APPEND([LDFLAGS], [" -ldl"])
])
])

# bluetooth/bluetooth.h has been known to not compile with -std=c99.
# http://permalink.gmane.org/gmane.linux.bluez.kernel/22294
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