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author | Joseph Myers <joseph@codesourcery.com> | 2018-12-21 17:53:40 +0000 |
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committer | Joseph Myers <joseph@codesourcery.com> | 2018-12-21 17:53:40 +0000 |
commit | 192963be49678b48f60218f1f794991cdd9fe472 (patch) | |
tree | de9988c14e213591d5cf2a1b97092454516b6d22 /soft-fp/fixunstfti.c | |
parent | c0e82f117357a941e4d40fcc08babbd6a3c3a1b5 (diff) | |
download | glibc-192963be49678b48f60218f1f794991cdd9fe472.tar.gz glibc-192963be49678b48f60218f1f794991cdd9fe472.tar.xz glibc-192963be49678b48f60218f1f794991cdd9fe472.zip |
Require GCC 5 or later to build glibc (bug 23993).
We know that building glibc with GCC 4.9 is broken on various platforms (bug 23993). As it's more than a year since we last increased the minimum GCC version to build glibc, this patch changes the requirement to be GCC 5 or later (indeed, based on 4.9 having been required for building 2.26, it would be consistent in terms of timing to require GCC 6 or later from the 2.30 release onwards). It deliberately just updates the configure test and corresponding documentation, leaving removal of no-longer-needed __GNUC_PREREQ tests for a separate patch. In the NEWS entry, the requirement for a newer GCC version for powerpc64le is reiterated (as in the entry for the 4.9 requirement in 2.26) to avoid suggesting the version requirement there has gone down. (If that version goes up further as part of support for binary128 long double, of course the wording would change at that time.) Tested for x86_64. [BZ #23993] * configure.ac (libc_cv_compiler_ok): Require GCC 5 or later. * configure: Regenerated. * manual/install.texi (Tools for Compilation): Update minimum GCC version. * INSTALL: Regenerated.
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