37d68480f3
Starting from Clang 16, implicit function definitions will be considered an error instead of a warning. From https://www.redhat.com/en/blog/new-warnings-and-errors-clang-16
92 lines
2.9 KiB
Diff
92 lines
2.9 KiB
Diff
--- zip30/unix/configure.bak 2024-03-03 22:16:42.341658986 +0800
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+++ zip30/unix/configure 2024-03-03 22:22:07.021622151 +0800
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@@ -18,6 +18,8 @@ trap "rm -f conftest* core a.out; exit 1
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CC=${1-cc}
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CFLAGS=${2-"-I. -DUNIX"}
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+CC_OMIT_ERR=" -Wno-implicit-function-declaration"
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+CFLAGS="${CFLAGS} ${CC_OMIT_ERR}"
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LFLAGS1=''
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LFLAGS2=''
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LN="ln -s"
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@@ -376,7 +378,7 @@ int main()
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}
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_EOF_
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# compile it
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-$CC -o conftest conftest.c >/dev/null 2>/dev/null
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+$CC $CC_OMIT_ERR -o conftest conftest.c >/dev/null 2>/dev/null
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if [ $? -ne 0 ]; then
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echo -- UID/GID test failed on compile - disabling old 16-bit UID/GID support
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CFLAGS="${CFLAGS} -DUIDGID_NOT_16BIT"
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@@ -430,7 +432,7 @@ int main()
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}
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_EOF_
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# compile it
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-$CC -o conftest conftest.c >/dev/null 2>/dev/null
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+$CC $CC_OMIT_ERR -o conftest conftest.c >/dev/null 2>/dev/null
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if [ $? -ne 0 ]; then
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echo -- no Large File Support
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else
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@@ -472,7 +474,7 @@ int main()
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}
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_EOF_
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# compile it
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-$CC -o conftest conftest.c >/dev/null 2>/dev/null
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+$CC $CC_OMIT_ERR -o conftest conftest.c >/dev/null 2>/dev/null
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# OCRCU8 is used by all utilities if Unicode is enabled
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# OCRCTB is only used by zipcloak
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if [ $? -ne 0 ]; then
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@@ -513,14 +515,14 @@ for func in rmdir strchr strrchr rename
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do
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echo Check for $func
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echo "int main(){ $func(); return 0; }" > conftest.c
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- $CC $BFLAG -o conftest conftest.c >/dev/null 2>/dev/null
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+ $CC $CC_OMIT_ERR $BFLAG -o conftest conftest.c >/dev/null 2>/dev/null
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[ $? -ne 0 ] && CFLAGS="${CFLAGS} -DNO_`echo $func | tr '[a-z]' '[A-Z]'`"
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done
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echo Check for memset
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echo "int main(){ char k; memset(&k,0,0); return 0; }" > conftest.c
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-$CC -o conftest conftest.c >/dev/null 2>/dev/null
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+$CC $CC_OMIT_ERR -o conftest conftest.c >/dev/null 2>/dev/null
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[ $? -ne 0 ] && CFLAGS="${CFLAGS} -DZMEM"
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@@ -544,7 +546,7 @@ $CC -o conftest conftest.c >/dev/null 2>
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echo Check for errno declaration
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cat > conftest.c << _EOF_
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#include <errno.h>
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-main()
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+int main()
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{
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errno = 0;
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return 0;
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@@ -559,12 +561,12 @@ cat > conftest.c << _EOF_
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int main() { return closedir(opendir(".")); }
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_EOF_
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-$CC -o conftest conftest.c >/dev/null 2>/dev/null
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+$CC $CC_OMIT_ERR -o conftest conftest.c >/dev/null 2>/dev/null
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if [ $? -ne 0 ]; then
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OPT=""
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for lib in ndir dir ucb bsd BSD PW x dirent
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do
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- $CC -o conftest conftest.c -l$lib >/dev/null 2>/dev/null
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+ $CC $CC_OMIT_ERR -o conftest conftest.c -l$lib >/dev/null 2>/dev/null
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[ $? -eq 0 ] && OPT=-l$lib && break
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done
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if [ ${OPT} ]; then
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@@ -579,9 +581,9 @@ fi
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echo Check for readlink
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echo "int main(){ return readlink(); }" > conftest.c
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-$CC -o conftest conftest.c >/dev/null 2>/dev/null
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+$CC $CC_OMIT_ERR -o conftest conftest.c >/dev/null 2>/dev/null
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if [ $? -ne 0 ]; then
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- $CC -o conftest conftest.c -lseq >/dev/null 2>/dev/null
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+ $CC $CC_OMIT_ERR -o conftest conftest.c -lseq >/dev/null 2>/dev/null
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[ $? -eq 0 ] && LFLAGS2="${LFLAGS2} -lseq"
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fi
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