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* NEWS: [SV 58435] Document minimum C compiler version requirement

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* configure.ac: Require c99 via AC_PROG_CC_C99
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Paul Smith 2020-07-19 14:07:01 -04:00
parent 62e8f029e9
commit a80b0096f5
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6
NEWS
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@ -28,6 +28,12 @@ https://sv.gnu.org/bugs/index.php?group=make&report_id=111&fix_release_id=109&se
rebuilt is the same order in which make processed them, and this is defined
to be true in the GNU make manual.
* WARNING: New build requirement
GNU make utilizes facilities from GNU Gnulib: Gnulib requires certain C99
features in the C compiler and so these features are required by GNU make:
https://www.gnu.org/software/gnulib/manual/html_node/C99-features-assumed.html
The configure script should verify the compiler has these features.
* GNU Make can now be built for MS-Windows using the Tiny C tcc compiler.

3
configure.ac
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@ -38,6 +38,9 @@ AM_INIT_AUTOMAKE([1.16.1 foreign -Werror -Wall])
AC_USE_SYSTEM_EXTENSIONS
AC_PROG_CC
# GNU Gnulib requires C99, so I guess we might as well too...
AC_PROG_CC_C99
# Configure gnulib
gl_EARLY
gl_INIT