Fixes for build errors #96
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SloCompTech
previously approved these changes
Sep 19, 2018
darconeous
reviewed
Oct 29, 2019
| @@ -9,5 +9,9 @@ | |||
| #cmakedefine HAVE_BYTESWAP_H @_HAVE_BYTESWAP_H@ | |||
| #cmakedefine HAVE_COREFOUNDATION_COREFOUNDATION_H @_HAVE_COREFOUNDATION_COREFOUNDATION_H@ | |||
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| #ifdef HAVE_ENDIAN_H | |||
| #define _DEFAULT_SOURCE | |||
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What is this macro and why is it necessary?
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It is needed to since glib 2.19, otherwise we get a implicit declaration function
(Sorry I did not get any notification of this...)
examples/CMakeLists.txt
Outdated
| @@ -1,4 +1,6 @@ | |||
| set(EXAMPLES-SOURCES | |||
| felica-lite-dump | |||
| felica-read-ndef | |||
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felica-lite-dump, felica-read-ndef and mifare-ultralightc-diversify were present on autoconf but not on cmake Signed-off-by: Ricardo Ribalda Delgado <[email protected]>
Fixes warning:
Scanning dependencies of target freefare
[ 1%] Building C object libfreefare/CMakeFiles/freefare.dir/felica.c.o
/tmp/libfreefare/libfreefare/felica.c: In function ‘felica_tag_new’:
/tmp/libfreefare/libfreefare/felica.c:50:16: warning: implicit declaration of function ‘malloc’ [-Wimplicit-function-declaration]
if ((tag = malloc(sizeof(struct felica_tag)))) {
^~~~~~
/tmp/libfreefare/libfreefare/felica.c:50:16: warning: incompatible implicit declaration of built-in function ‘malloc’
/tmp/libfreefare/libfreefare/felica.c:50:16: note: include ‘<stdlib.h>’ or provide a declaration of ‘malloc’
/tmp/libfreefare/libfreefare/felica.c:26:1:
+#include <stdlib.h>
/tmp/libfreefare/libfreefare/felica.c:50:16:
if ((tag = malloc(sizeof(struct felica_tag)))) {
^~~~~~
/tmp/libfreefare/libfreefare/felica.c: In function ‘felica_tag_free’:
/tmp/libfreefare/libfreefare/felica.c:64:5: warning: implicit declaration of function ‘free’ [-Wimplicit-function-declaration]
free(tag);
^~~~
/tmp/libfreefare/libfreefare/felica.c:64:5: warning: incompatible implicit declaration of built-in function ‘free’
/tmp/libfreefare/libfreefare/felica.c:64:5: note: include ‘<stdlib.h>’ or provide a declaration of ‘free’
Signed-off-by: Ricardo Ribalda Delgado <[email protected]>
From man be32toh:
Feature Test Macro Requirements for glibc (see feature_test_macros(7)):
htobe16(), htole16(), be16toh(), le16toh(), htobe32(), htole32(), be32toh(), le32toh(),
htobe64(), htole64(), be64toh(), le64toh():
Since glibc 2.19:
_DEFAULT_SOURCE
In glibc up to and including 2.19:
_BSD_SOURCE
Fixes build error:
[ 59%] Building C object examples/CMakeFiles/felica-read-ndef.dir/felica-read-ndef.c.o
/tmp/libfreefare/examples/felica-read-ndef.c: In function ‘main’:
/tmp/libfreefare/examples/felica-read-ndef.c:113:21: warning: implicit declaration of function ‘be32toh’ [-Wimplicit-function-declaration]
payload_length = be32toh(*(uint32_t *)(ndef_record + 2));
^~~~~~~
[ 61%] Linking C executable felica-read-ndef
/usr/bin/ld: CMakeFiles/felica-read-ndef.dir/felica-read-ndef.c.o: in function `main':
felica-read-ndef.c:(.text+0x319): undefined reference to `be32toh'
collect2: error: ld returned 1 exit status
Signed-off-by: Ricardo Ribalda Delgado <[email protected]>
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