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87 lines
2.6 KiB
87 lines
2.6 KiB
2 months ago
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Avoid implicit ints and implicit function declarations during the
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(non-autoconf) build environment probing stage.
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This prevents build failures with future compilers.
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diff -ur man-1.6g.orig/configure man-1.6g/configure
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--- man-1.6g.orig/configure 2010-12-31 21:28:46.000000000 +0100
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+++ man-1.6g/configure 2023-02-07 19:08:27.312390739 +0100
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@@ -223,7 +223,7 @@
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echo checking for ANSI C header files
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echo "#include <stdlib.h>
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#include <string.h>
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-main() { exit(0); strerror(0); }" > conftest.c
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+int main(void) { exit(0); strerror(0); }" > conftest.c
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eval $compile
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if test -s conftest && ./conftest 2>/dev/null; then
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DEFS="$DEFS -DSTDC_HEADERS"
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@@ -236,7 +236,7 @@
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echo checking for sys/termios.h
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echo "#include <sys/termios.h>
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-main() { exit(0); }" > conftest.c
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+int main(void) { return 0; }" > conftest.c
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eval $compile
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if test -s conftest && ./conftest 2>/dev/null; then
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DEFS="$DEFS -DTERMIOS_HEADER"
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@@ -245,11 +245,11 @@
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echo checking for POSIX.1 header files
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echo "#include <unistd.h>
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-main() {
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+int main(void) {
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#ifdef _POSIX_VERSION
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-exit(0);
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+return 0;
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#else
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-exit(1);
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+return 1;
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#endif
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}" > conftest.c
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eval $compile
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@@ -260,7 +260,7 @@
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echo checking for BSD string and memory functions
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echo "#include <strings.h>
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-main() { exit(0); rindex(0, 0); bzero(0, 0); }" > conftest.c
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+int main(void) { return 0; rindex(0, 0); bzero(0, 0); }" > conftest.c
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eval $compile
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if test -s conftest && ./conftest 2>/dev/null; then :
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else DEFS="$DEFS -DUSG"
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@@ -269,7 +269,7 @@
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echo checking whether sys/types.h defines uid_t
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echo '#include <sys/types.h>
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-main() { uid_t x; exit(0); }' > conftest.c
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+int main(void) { uid_t x; return 0; }' > conftest.c
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eval $compile
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if test -s conftest && ./conftest 2>/dev/null; then :
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else
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@@ -302,7 +302,7 @@
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#endif
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#endif
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#endif
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-main() { char *p = (char *) alloca(1); exit(0); }' > conftest.c
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+int main(void) { char *p = (char *) alloca(1); return 0; }' > conftest.c
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eval $compile
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if test -s conftest && ./conftest 2>/dev/null; then :
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elif test -d /usr/ucblib; then LIBS="$LIBS -L/usr/ucblib -lucb"
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@@ -314,7 +314,7 @@
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if [ $usenls = true ]; then
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echo checking for nls
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echo '#include <nl_types.h>
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- main() {nl_catd catfd; exit(0); }' > conftest.c
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+ int main(void) {nl_catd catfd; return 0; }' > conftest.c
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eval $compile
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if test -s conftest && ./conftest 2>/dev/null; then :
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else
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@@ -332,7 +332,7 @@
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#include <getopt.h>
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#include <stdio.h>
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struct option long_opts[] = { { "", no_argument, NULL, 0 } };
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-main() { exit(0); }' > conftest.c
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+int main(void) { return 0; }' > conftest.c
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eval $compile
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if test -s conftest && ./conftest 2>/dev/null; then
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manpathoption="--path"
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