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authorZ. Liu <zhixu.liu@gmail.com>2024-08-24 23:01:29 +0800
committerGerrit Pape <pape@smarden.org>2024-09-25 22:14:00 +0000
commit8aaa59ec8d096d892b315c8fe691c4eca306ba01 (patch)
tree99d43257189c7bf78579141e277b9ff37c4b2623 /src/chkshsgr.c
parent1fea9d47117eebcd1cb3e1bf259fa1cc5d4895ec (diff)
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fix undesired compilation error(s) of feature test
If don't fix, the feature test will generate undesired .h which will be used
in later compilation, some will cause build failed.

see *.h{1,2} for details, run following cmd to see difference:
  diff -uprN <(more *.h1|sed 's:\.h1$:.h:g') <(more *.h2|sed 's:\.h2$:.h:g')

found by using clang 18 with CFLAGS: -Wall

link of debian's patches is: https://salsa.debian.org/debian/runit/-/tree/master/debian/patches
  0029-fix-ftbfs-with-gcc14.patch

chkshsgr.c trycpp.c trypoll.c tryshsgr.c tryulong64.c:
  error: call to undeclared function '...'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
  functions are: _exit, exit, getgroups, printf, setgroups

tryflock.c trysgact.c trysgprm.c trywaitp.c:
  error: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int]
Diffstat (limited to 'src/chkshsgr.c')
-rw-r--r--src/chkshsgr.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/chkshsgr.c b/src/chkshsgr.c
index 38c352d..a33403b 100644
--- a/src/chkshsgr.c
+++ b/src/chkshsgr.c
@@ -1,6 +1,7 @@
 /* Public domain. */
 
 #include <unistd.h>
+#include <grp.h>
 
 int main()
 {