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Since abc2ae6 (Update AX_PTHREAD (PCRE2Project#694), 2025-02-12), when using autoconf 2.60 with autogen, shows: error: possibly undefined macro: AS_ECHO Use 2.62 instead, which include that macro, as the new required version.
carenas
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Since abc2ae6 (Update AX_PTHREAD (PCRE2Project#694), 2025-02-12), when using autoconf 2.60 with autogen, shows: error: possibly undefined macro: AS_ECHO Use 2.62 instead, which include that macro, as the new required version.
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Since abc2ae6 (Update AX_PTHREAD (PCRE2Project#694), 2025-02-12), when using autoconf 2.60 with autogen, shows: error: possibly undefined macro: AS_ECHO Use 2.62 instead, which include that macro, as the new required version.
NWilson
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* update required autoconf version Since abc2ae6 (Update AX_PTHREAD (#694), 2025-02-12), when using autoconf 2.60 with autogen, shows: error: possibly undefined macro: AS_ECHO Use 2.62 instead, which include that macro, as the new required version. * jit: enable x86 SIMD helper if SSE2 is available The current implementation needs SSE2 support (which is part of the base amd64 specification and available in most CPUs from this century). Without this change, SIMD will be only enabled if SSE4.1 is detected which is not true for older AMD cpus, even if 64bit capable. While at it, update related documentation and other minor tweaks.
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The changelog for the upstream AX_PTHREAD mentions various improvements, including improved support for Clang and AIX. We may as well ship the latest.