| dnl Process this file with autoconf to produce a configure script. |
dnl Process this file with autoconf to produce a configure script. |
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| AC_INIT(engine.c) |
AC_INIT(engine.c) |
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GCC=${GCC-gcc} |
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AC_SUBST(GCC) |
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dnl configure needs $CC to find out some parameters, and there may be |
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dnl differences in what is obtained from gcc and from the default cc. |
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dnl Therefore, we define $CC to be gcc: |
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CC=$GCC |
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| AC_ARG_ENABLE(force-reg, |
AC_ARG_ENABLE(force-reg, |
| [ --enable-force-reg Use explicit register declarations if they appear in |
[ --enable-force-reg Use explicit register declarations if they appear in |
| the machine.h file. This can cause a good speedup, |
the machine.h file. This can cause a good speedup, |