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Needs AC_PROG_CC

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Although `AC_PROG_CC_C99` has been obsolete, `AC_PROG_CC` is not
and the latter is necessary not to make C++ compiler mandatory.
This commit is contained in:
Nobuyoshi Nakada 2021-09-30 18:24:37 +09:00
parent 90f2ab9d62
commit 912a8dcfc5
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GPG Key ID: 7CD2805BFA3770C6
Notes: git 2021-09-30 22:51:45 +09:00 
Merged: https://github.com/ruby/ruby/pull/4914
1 changed files with 1 additions and 1 deletions
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configure.ac
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@ -218,7 +218,7 @@ rb_test_CXXFLAGS=${CXXFLAGS+yes}
# BSD's ports and MacPorts prefix GNU binutils with 'g'
dnl Seems necessarily in order to add -std=gnu99 option for gcc 4.9.
m4_version_prereq([2.70], [], [AC_PROG_CC_C99])
m4_version_prereq([2.70], [AC_PROG_CC], [AC_PROG_CC_C99])
AC_PROG_CXX
AC_PROG_CPP