Sam James c2b7d77784 build: respect environment options more (#1392) ... * build: update m4/ax_pthread.m4 from serial 23 -> serial 31 Update ax_pthread.m4 to the latest version from the autoconf-archive project. Signed-off-by: Sam James <sam@gentoo.org> * build: properly detect AR, CC, RANLIB It's necessary to be able to override choice of AR/CC/RANLIB and other toolchain variables/tools for cross-compilation, testing with other toolchains, and to ensure the compiler chosen by the user is actually used for the build. Previously, GNU_PREFIX was kind-of used for this but this isn't a standard variable (at all) and it wasn't applied consistently anyway. We now use the standard autoconf mechanisms for finding these tools. (RANLIB is already covered by LT_INIT.) Signed-off-by: Sam James <sam@gentoo.org> * build: use $(MAKE) This ensures that parallel make works correctly, as otherwise, a fresh make job will be started without the jobserver fd, and hence not know about its parent, forcing -j1. * build: respect CPPFLAGS, LDFLAGS - CPPFLAGS is for the C preprocessor (usually for setting defines) - LDFLAGS should be placed before objects for certain flags to work (e.g. -Wl,--as-needed) Signed-off-by: Sam James <sam@gentoo.org> Co-authored-by: Luca Deri <lucaderi@users.noreply.github.com>		2022-01-18 14:30:14 +01:00
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ax_check_compile_flag.m4	Allow -fsanitize for LLVM as well as for GCC.	2020-06-23 00:22:33 +02:00
ax_pthread.m4	build: respect environment options more (#1392)	2022-01-18 14:30:14 +01:00