[issue8211] configure: ignore AC_PROG_CC hardcoded CFLAGS
Only override the AC_PROG_CC determined CFLAGS if they were set by the user. This restores the default behavior in the common case of not having CFLAGS defined when running configure.
This commit is contained in:
Marc-André Lemburg
parent
9663ddaa74
commit
6d5e579cc5
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@ -1,5 +1,5 @@
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#! /bin/sh
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# From configure.in Revision: 80574 .
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# From configure.in Revision: 80647 .
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# Guess values for system-dependent variables and create Makefiles.
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# Generated by GNU Autoconf 2.61 for python 2.7.
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#
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@ -2407,7 +2407,9 @@ echo "$as_me: error: cached CC is different -- throw away $cache_file
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{ (exit 1); exit 1; }; }
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fi
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save_CFLAGS=$CFLAGS
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# If the user set CFLAGS, use this instead of the automatically
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# determined setting
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preset_cflags="$CFLAGS"
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ac_ext=c
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ac_cpp='$CPP $CPPFLAGS'
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ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
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@ -3327,7 +3329,10 @@ ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
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ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
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ac_compiler_gnu=$ac_cv_c_compiler_gnu
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CFLAGS=$save_CFLAGS
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if test ! -z "$preset_cflags"
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then
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CFLAGS=$preset_cflags
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fi
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@ -3938,7 +3943,7 @@ else
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{ echo "$as_me:$LINENO: result: no" >&5
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echo "${ECHO_T}no" >&6; }
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fi
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rm -f -r conftest*
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rm -f conftest*
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@ -5510,7 +5515,7 @@ if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
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else
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ac_cv_header_stdc=no
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fi
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rm -f -r conftest*
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rm -f conftest*
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fi
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@ -5531,7 +5536,7 @@ if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
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else
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ac_cv_header_stdc=no
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fi
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rm -f -r conftest*
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rm -f conftest*
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fi
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@ -6631,7 +6636,7 @@ _ACEOF
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fi
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rm -f -r conftest*
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rm -f conftest*
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{ echo "$as_me:$LINENO: result: $was_it_defined" >&5
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echo "${ECHO_T}$was_it_defined" >&6; }
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@ -7168,7 +7173,7 @@ if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
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else
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ac_cv_type_uid_t=no
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fi
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rm -f -r conftest*
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rm -f conftest*
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fi
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{ echo "$as_me:$LINENO: result: $ac_cv_type_uid_t" >&5
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@ -15991,7 +15996,7 @@ if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
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else
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unistd_defines_pthreads=no
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fi
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rm -f -r conftest*
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rm -f conftest*
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{ echo "$as_me:$LINENO: result: $unistd_defines_pthreads" >&5
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echo "${ECHO_T}$unistd_defines_pthreads" >&6; }
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@ -17605,7 +17610,7 @@ if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
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$EGREP "yes" >/dev/null 2>&1; then
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ipv6type=$i
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fi
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rm -f -r conftest*
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rm -f conftest*
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;;
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kame)
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@ -17628,7 +17633,7 @@ if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
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ipv6libdir=/usr/local/v6/lib
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ipv6trylibc=yes
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fi
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rm -f -r conftest*
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rm -f conftest*
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;;
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linux-glibc)
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@ -17649,7 +17654,7 @@ if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
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ipv6type=$i;
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ipv6trylibc=yes
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fi
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rm -f -r conftest*
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rm -f conftest*
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;;
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linux-inet6)
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@ -17687,7 +17692,7 @@ if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
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ipv6lib=inet6;
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ipv6libdir=/usr/local/v6/lib
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fi
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rm -f -r conftest*
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rm -f conftest*
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;;
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v6d)
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@ -17710,7 +17715,7 @@ if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
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ipv6libdir=/usr/local/v6/lib;
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BASECFLAGS="-I/usr/local/v6/include $BASECFLAGS"
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fi
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rm -f -r conftest*
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rm -f conftest*
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;;
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zeta)
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@ -17732,7 +17737,7 @@ if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
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ipv6lib=inet6;
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ipv6libdir=/usr/local/v6/lib
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fi
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rm -f -r conftest*
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rm -f conftest*
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;;
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esac
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@ -26278,7 +26283,7 @@ cat >>confdefs.h <<\_ACEOF
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_ACEOF
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fi
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rm -f -r conftest*
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rm -f conftest*
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cat >conftest.$ac_ext <<_ACEOF
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/* confdefs.h. */
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@ -26297,7 +26302,7 @@ cat >>confdefs.h <<\_ACEOF
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_ACEOF
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fi
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rm -f -r conftest*
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rm -f conftest*
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fi
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@ -26567,7 +26572,7 @@ cat >>confdefs.h <<\_ACEOF
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_ACEOF
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fi
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rm -f -r conftest*
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rm -f conftest*
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fi
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@ -531,9 +531,14 @@ then
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(it is also a good idea to do 'make clean' before compiling)])
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fi
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save_CFLAGS=$CFLAGS
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# If the user set CFLAGS, use this instead of the automatically
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# determined setting
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preset_cflags="$CFLAGS"
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AC_PROG_CC
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CFLAGS=$save_CFLAGS
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if test ! -z "$preset_cflags"
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then
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CFLAGS=$preset_cflags
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fi
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AC_SUBST(CXX)
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AC_SUBST(MAINCC)
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