186 lines
3.6 KiB
Diff
186 lines
3.6 KiB
Diff
Port configure script to C99, avoding implicit function declarations.
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Future compilers are likely not to accept them by default.
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There is no need to upstream this because re-running autotools should
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rewrite these file sections to use C99-compatible constructs.
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diff --git a/aclocal.m4 b/aclocal.m4
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index 38392ca9cfc50528..bc36662d3857dafa 100644
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--- a/aclocal.m4
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+++ b/aclocal.m4
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@@ -756,10 +756,6 @@ else
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# endif
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#endif
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-#ifdef __cplusplus
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-extern "C" void exit (int);
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-#endif
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-
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void fnord() { int i=42;}
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int main ()
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{
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@@ -773,7 +769,7 @@ int main ()
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/* dlclose (self); */
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}
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- exit (status);
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+ return status;
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}]
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EOF
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if AC_TRY_EVAL(ac_link) && test -s conftest${ac_exeext} 2>/dev/null; then
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diff --git a/configure b/configure
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index 3008b7005e03f440..764248205d537b62 100755
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--- a/configure
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+++ b/configure
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@@ -2932,7 +2932,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
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echo "$as_me:$LINENO: \$? = $ac_status" >&5
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(exit $ac_status); }; }; then
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for ac_declaration in \
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- '' \
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+ '#include <stdlib.h>' \
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'extern "C" void std::exit (int) throw (); using std::exit;' \
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'extern "C" void std::exit (int); using std::exit;' \
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'extern "C" void exit (int) throw ();' \
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@@ -4152,8 +4152,8 @@ main ()
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for (i = 0; i < 256; i++)
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if (XOR (islower (i), ISLOWER (i))
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|| toupper (i) != TOUPPER (i))
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- exit(2);
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- exit (0);
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+ return 2;
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+ return 0;
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}
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_ACEOF
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rm -f conftest$ac_exeext
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@@ -8747,10 +8747,6 @@ else
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# endif
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#endif
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-#ifdef __cplusplus
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-extern "C" void exit (int);
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-#endif
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-
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void fnord() { int i=42;}
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int main ()
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{
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@@ -8764,7 +8760,7 @@ int main ()
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/* dlclose (self); */
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}
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- exit (status);
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+ return status;
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}
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EOF
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if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
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@@ -8845,10 +8841,6 @@ else
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# endif
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#endif
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-#ifdef __cplusplus
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-extern "C" void exit (int);
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-#endif
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-
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void fnord() { int i=42;}
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int main ()
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{
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@@ -8862,7 +8854,7 @@ int main ()
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/* dlclose (self); */
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}
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- exit (status);
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+ return status;
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}
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EOF
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if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
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@@ -12451,10 +12443,6 @@ else
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# endif
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#endif
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-#ifdef __cplusplus
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-extern "C" void exit (int);
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-#endif
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-
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void fnord() { int i=42;}
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int main ()
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{
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@@ -12468,7 +12456,7 @@ int main ()
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/* dlclose (self); */
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}
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- exit (status);
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+ return status;
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}
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EOF
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if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
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@@ -12549,10 +12537,6 @@ else
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# endif
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#endif
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-#ifdef __cplusplus
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-extern "C" void exit (int);
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-#endif
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-
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void fnord() { int i=42;}
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int main ()
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{
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@@ -12566,7 +12550,7 @@ int main ()
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/* dlclose (self); */
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}
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- exit (status);
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+ return status;
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}
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EOF
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if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
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@@ -17962,10 +17946,6 @@ else
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# endif
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#endif
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-#ifdef __cplusplus
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-extern "C" void exit (int);
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-#endif
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-
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void fnord() { int i=42;}
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int main ()
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{
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@@ -17979,7 +17959,7 @@ int main ()
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/* dlclose (self); */
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}
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- exit (status);
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+ return status;
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}
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EOF
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if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
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@@ -18060,10 +18040,6 @@ else
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# endif
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#endif
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-#ifdef __cplusplus
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-extern "C" void exit (int);
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-#endif
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-
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void fnord() { int i=42;}
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int main ()
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{
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@@ -18077,7 +18053,7 @@ int main ()
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/* dlclose (self); */
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}
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- exit (status);
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+ return status;
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}
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EOF
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if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
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@@ -19479,8 +19455,8 @@ main ()
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for (i = 0; i < 256; i++)
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if (XOR (islower (i), ISLOWER (i))
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|| toupper (i) != TOUPPER (i))
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- exit(2);
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- exit (0);
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+ return 2;
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+ return 0;
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}
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_ACEOF
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rm -f conftest$ac_exeext
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