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author | 2020-02-04 21:55:44 -0800 | |
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committer | 2020-03-05 17:05:05 -0300 | |
commit | 87a698a21646b7ee620923ef5ffa9735471a8ddd (patch) | |
tree | a1cdcf63ba69046a1d9becac55f6b4300fc71169 | |
parent | linux: Clear mode_t padding bits (BZ#25623) (diff) | |
download | glibc-87a698a21646b7ee620923ef5ffa9735471a8ddd.tar.gz glibc-87a698a21646b7ee620923ef5ffa9735471a8ddd.tar.bz2 glibc-87a698a21646b7ee620923ef5ffa9735471a8ddd.zip |
Improve IFUNC check [BZ #25506]
GNU ld's RISCV port does not support IFUNC. ld -no-pie produces no
relocation and the test passed incorrectly. Be more rigid by testing
IRELATIVE explicitly.
Tested-by: Aurelien Jarno <aurelien@aurel32.net>
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
-rwxr-xr-x | configure | 2 | ||||
-rw-r--r-- | configure.ac | 2 |
2 files changed, 2 insertions, 2 deletions
@@ -4035,7 +4035,7 @@ if ${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS \ -o conftest conftest.S 1>&5 2>&5; then # Do a link to see if the backend supports IFUNC relocs. $READELF -r conftest 1>&5 - LC_ALL=C $READELF -r conftest | grep 'no relocations' >/dev/null || { + LC_ALL=C $READELF -Wr conftest | grep -q 'IRELATIVE\|R_SPARC_JMP_IREL' && { libc_cv_ld_gnu_indirect_function=yes } fi diff --git a/configure.ac b/configure.ac index 49b900c1ed..e20034f301 100644 --- a/configure.ac +++ b/configure.ac @@ -649,7 +649,7 @@ if ${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS \ -o conftest conftest.S 1>&AS_MESSAGE_LOG_FD 2>&AS_MESSAGE_LOG_FD; then # Do a link to see if the backend supports IFUNC relocs. $READELF -r conftest 1>&AS_MESSAGE_LOG_FD - LC_ALL=C $READELF -r conftest | grep 'no relocations' >/dev/null || { + LC_ALL=C $READELF -Wr conftest | grep -q 'IRELATIVE\|R_SPARC_JMP_IREL' && { libc_cv_ld_gnu_indirect_function=yes } fi |