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diff auto/os/linux @ 7175:56923e8e01a5

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Improved the capabilities feature detection. Previously included file sys/capability.h mentioned in capset(2) man page, belongs to the libcap-dev package, which may not be installed on some Linux systems when compiling nginx. This prevented the capabilities feature from being detected and compiled on that systems. Now linux/capability.h system header is included instead. Since capset() declaration is located in sys/capability.h, now capset() syscall is defined explicitly in code using the SYS_capset constant, similarly to other Linux-specific features in nginx.
author Roman Arutyunyan <arut@nginx.com>
date Mon, 18 Dec 2017 21:09:39 +0300
parents 84e53e4735a4
children 7f28b61c92f0
line wrap: on
line diff
--- a/auto/os/linux
+++ b/auto/os/linux
@@ -174,7 +174,8 @@ ngx_feature_test="if (prctl(PR_SET_KEEPC
 ngx_feature="capabilities"
 ngx_feature_name="NGX_HAVE_CAPABILITIES"
 ngx_feature_run=no
-ngx_feature_incs="#include <sys/capability.h>"
+ngx_feature_incs="#include <linux/capability.h>
+                  #include <sys/syscall.h>"
 ngx_feature_path=
 ngx_feature_libs=
 ngx_feature_test="struct __user_cap_data_struct    data;
@@ -184,7 +185,7 @@ ngx_feature_test="struct __user_cap_data
                   data.effective = CAP_TO_MASK(CAP_NET_RAW);
                   data.permitted = 0;
 
-                  (void) capset(&header, &data)"
+                  (void) SYS_capset"
 . auto/feature