Patrick Williams | 92b42cb | 2022-09-03 06:53:57 -0500 | [diff] [blame^] | 1 | From 8810f2643c9372a8083272dc1fc157427646d961 Mon Sep 17 00:00:00 2001 |
| 2 | From: Khem Raj <raj.khem@gmail.com> |
| 3 | Date: Wed, 10 Aug 2022 17:16:23 -0700 |
| 4 | Subject: [PATCH 1/2] configure: Specify correct function signatures and |
| 5 | declarations |
| 6 | |
| 7 | Include needed system headers in configure tests, this is needed because |
| 8 | newer compilers are getting stricter about the C99 specs and turning |
| 9 | -Wimplicit-function-declaration into hard error e.g. clang-15+ |
| 10 | |
| 11 | Upstream-Status: Inactive-Upstream |
| 12 | Signed-off-by: Khem Raj <raj.khem@gmail.com> |
| 13 | --- |
| 14 | unix/configure | 79 +++++++++++++++++++++++++++++++++++++++++--------- |
| 15 | 1 file changed, 66 insertions(+), 13 deletions(-) |
| 16 | |
| 17 | diff --git a/unix/configure b/unix/configure |
| 18 | index 1d9a9bb..f2b3d02 100644 |
| 19 | --- a/unix/configure |
| 20 | +++ b/unix/configure |
| 21 | @@ -513,21 +513,70 @@ $CC $CFLAGS -c conftest.c >/dev/null 2>/dev/null |
| 22 | # Check for missing functions |
| 23 | # add NO_'function_name' to flags if missing |
| 24 | |
| 25 | -for func in rmdir strchr strrchr rename mktemp mktime mkstemp |
| 26 | -do |
| 27 | - echo Check for $func |
| 28 | - echo "int main(){ $func(); return 0; }" > conftest.c |
| 29 | - $CC $CFLAGS $LDFLAGS $BFLAG -o conftest conftest.c >/dev/null 2>/dev/null |
| 30 | - [ $? -ne 0 ] && CFLAGS="${CFLAGS} -DNO_`echo $func | tr '[a-z]' '[A-Z]'`" |
| 31 | -done |
| 32 | +echo Check for rmdir |
| 33 | +cat > conftest.c << _EOF_ |
| 34 | +#include <unistd.h> |
| 35 | +int main(){ rmdir(NULL); return 0; } |
| 36 | +_EOF_ |
| 37 | +$CC $CFLAGS $LDFLAGS -o conftest conftest.c >/dev/null 2>/dev/null |
| 38 | +[ $? -ne 0 ] && CFLAGS="${CFLAGS} -DNO_RMDIR" |
| 39 | + |
| 40 | +echo Check for strchr |
| 41 | +cat > conftest.c << _EOF_ |
| 42 | +#include <string.h> |
| 43 | +int main(){ strchr(NULL,0); return 0; } |
| 44 | +_EOF_ |
| 45 | +$CC $CFLAGS $LDFLAGS -o conftest conftest.c >/dev/null 2>/dev/null |
| 46 | +[ $? -ne 0 ] && CFLAGS="${CFLAGS} -DNO_STRCHR" |
| 47 | |
| 48 | +echo Check for strrchr |
| 49 | +cat > conftest.c << _EOF_ |
| 50 | +#include <string.h> |
| 51 | +int main(){ strrchr(NULL,0); return 0; } |
| 52 | +_EOF_ |
| 53 | +$CC $CFLAGS $LDFLAGS -o conftest conftest.c >/dev/null 2>/dev/null |
| 54 | +[ $? -ne 0 ] && CFLAGS="${CFLAGS} -DNO_STRRCHR" |
| 55 | + |
| 56 | +echo Check for rename |
| 57 | +cat > conftest.c << _EOF_ |
| 58 | +#include <stdio.h> |
| 59 | +int main(){ rename(NULL,NULL); return 0; } |
| 60 | +_EOF_ |
| 61 | +$CC $CFLAGS $LDFLAGS -o conftest conftest.c >/dev/null 2>/dev/null |
| 62 | +[ $? -ne 0 ] && CFLAGS="${CFLAGS} -DNO_RENAME" |
| 63 | + |
| 64 | +echo Check for mktemp |
| 65 | +cat > conftest.c << _EOF_ |
| 66 | +#include <stdlib.h> |
| 67 | +int main(){ mktemp(NULL); return 0; } |
| 68 | +_EOF_ |
| 69 | +$CC $CFLAGS $LDFLAGS -o conftest conftest.c >/dev/null 2>/dev/null |
| 70 | +[ $? -ne 0 ] && CFLAGS="${CFLAGS} -DNO_MKTEMP" |
| 71 | + |
| 72 | +echo Check for mktime |
| 73 | +cat > conftest.c << _EOF_ |
| 74 | +#include <time.h> |
| 75 | +int main(){ mktime(NULL); return 0; } |
| 76 | +_EOF_ |
| 77 | +$CC $CFLAGS $LDFLAGS -o conftest conftest.c >/dev/null 2>/dev/null |
| 78 | +[ $? -ne 0 ] && CFLAGS="${CFLAGS} -DNO_MKTIME" |
| 79 | + |
| 80 | +echo Check for mkstemp |
| 81 | +cat > conftest.c << _EOF_ |
| 82 | +#include <stdlib.h> |
| 83 | +int main(){ return mkstemp(NULL); } |
| 84 | +_EOF_ |
| 85 | +$CC $CFLAGS $LDFLAGS -o conftest conftest.c >/dev/null 2>/dev/null |
| 86 | +[ $? -ne 0 ] && CFLAGS="${CFLAGS} -DNO_MKSTEMP" |
| 87 | |
| 88 | echo Check for memset |
| 89 | -echo "int main(){ char k; memset(&k,0,0); return 0; }" > conftest.c |
| 90 | +cat > conftest.c << _EOF_ |
| 91 | +#include <string.h> |
| 92 | +int main(){ char k; memset(&k,0,0); return 0; } |
| 93 | +_EOF_ |
| 94 | $CC $CFLAGS $LDFLAGS -o conftest conftest.c >/dev/null 2>/dev/null |
| 95 | [ $? -ne 0 ] && CFLAGS="${CFLAGS} -DZMEM" |
| 96 | |
| 97 | - |
| 98 | echo Check for memmove |
| 99 | cat > conftest.c << _EOF_ |
| 100 | #include <string.h> |
| 101 | @@ -548,7 +597,7 @@ $CC $CFLAGS $LDFLAGS -o conftest conftest.c >/dev/null 2>/dev/null |
| 102 | echo Check for errno declaration |
| 103 | cat > conftest.c << _EOF_ |
| 104 | #include <errno.h> |
| 105 | -main() |
| 106 | +int main() |
| 107 | { |
| 108 | errno = 0; |
| 109 | return 0; |
| 110 | @@ -625,14 +674,18 @@ CFLAGS="${CFLAGS} ${OPT}" |
| 111 | |
| 112 | echo Check for valloc |
| 113 | cat > conftest.c << _EOF_ |
| 114 | -main() |
| 115 | +#include <stdlib.h> |
| 116 | +int main() |
| 117 | { |
| 118 | #ifdef MMAP |
| 119 | - valloc(); |
| 120 | + valloc(0); |
| 121 | #endif |
| 122 | + return 0; |
| 123 | } |
| 124 | _EOF_ |
| 125 | -$CC ${CFLAGS} -c conftest.c > /dev/null 2>/dev/null |
| 126 | +#$CC ${CFLAGS} -c conftest.c > /dev/null 2>/dev/null |
| 127 | +$CC ${CFLAGS} -c conftest.c |
| 128 | +echo "===========================================" |
| 129 | [ $? -ne 0 ] && CFLAGS="${CFLAGS} -DNO_VALLOC" |
| 130 | |
| 131 | |
| 132 | -- |
| 133 | 2.37.1 |
| 134 | |