linux-pam raises the following build failure with gcc 4.8 since bump to version 1.5.3 in commitf8147e27cdand https://github.com/linux-pam/linux-pam/commit/8f9816b57e3a475fc2d2cbb106c188b778098f85: pam_access.c: In function 'pam_sm_authenticate': pam_access.c:1084:13: error: 'for' loop initial declarations are only allowed in C99 mode for (int i = 0; filename_list[i] != NULL; i++) { ^ Those build failures could be fixed by adding -std=c99 but then the build will fails because stdadtomic.h is mandatory since https://github.com/linux-pam/linux-pam/commit/a35e092e24ee7632346a0e1b4a203c04d4cd2c62 Fixes: - http://autobuild.buildroot.org/results/9b2ba987d2c873f4a7caea72707acb655279d16b Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com> Signed-off-by: Peter Korsgaard <peter@korsgaard.com> (cherry picked from commitc77e25c3f1) Signed-off-by: Peter Korsgaard <peter@korsgaard.com>