Fix libcurl detection in configure.ac on macOS #298
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Fix: configure.ac fails to detect libcurl on macOS
This PR updates configure.ac to properly detect libcurl on macOS systems (e.g., using Homebrew), resolving the following error seen during ./configure:
./configure: line XXXX: syntax error near unexpected token ','
LIBCURL_CHECK_CONFIG(, 7.15.2, , ...)
Changes:
• Added AC_CONFIG_MACRO_DIRS([m4]) to recognize local m4 macros
• Copied libcurl.m4 into m4/ from Homebrew install path
• Ran autoreconf -fvi to regenerate configure scripts correctly
• Confirmed ./configure && make now succeeds on macOS (tested on Apple Silicon with Homebrew-installed curl)
Why it matters:
Without this fix, cpuminer is not buildable out of the box on macOS — which is common for developers and contributors.