>From f636f37983b32d8db3abea7ecdda928f3a0f542e Mon Sep 17 00:00:00 2001 From: Paul Eggert Date: Sun, 4 Oct 2020 18:46:44 -0700 Subject: [PATCH] c-stack: avoid AS_IF Problem reported by Bruno Haible in: https://lists.gnu.org/r/bug-gnulib/2020-10/msg00018.html * m4/c-stack.m4 (gl_PREREQ_C_STACK): No need for AS_IF. --- ChangeLog | 5 +++++ m4/c-stack.m4 | 14 ++++++++------ 2 files changed, 13 insertions(+), 6 deletions(-) diff --git a/ChangeLog b/ChangeLog index e0c821f7d..4ec03efe4 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,5 +1,10 @@ 2020-10-04 Paul Eggert + c-stack: avoid AS_IF + Problem reported by Bruno Haible in: + https://lists.gnu.org/r/bug-gnulib/2020-10/msg00018.html + * m4/c-stack.m4 (gl_PREREQ_C_STACK): No need for AS_IF. + c-stack: pacify GCC 9.3.1 when using libsigsegv * lib/c-stack.c [USE_LIBSIGSEGV]: Disable --suggest-attribute=pure. diff --git a/m4/c-stack.m4 b/m4/c-stack.m4 index 1523a724d..85107f465 100644 --- a/m4/c-stack.m4 +++ b/m4/c-stack.m4 @@ -7,7 +7,7 @@ # Written by Paul Eggert. -# serial 19 +# serial 20 AC_DEFUN([AC_SYS_XSI_STACK_OVERFLOW_HEURISTIC], [ @@ -360,11 +360,13 @@ AC_DEFUN([gl_PREREQ_C_STACK], AC_CHECK_TYPES([stack_t], , , [[#include ]]) dnl c-stack does not need -lsigsegv if the system has XSI heuristics. - AS_IF([test "$gl_cv_sys_xsi_stack_overflow_heuristic" != yes], - [gl_LIBSIGSEGV - AS_IF([test "$gl_cv_lib_sigsegv" = yes], - [AC_SUBST([LIBCSTACK], [$LIBSIGSEGV]) - AC_SUBST([LTLIBCSTACK], [$LTLIBSIGSEGV])])]) + if test "$gl_cv_sys_xsi_stack_overflow_heuristic" != yes; then + gl_LIBSIGSEGV + if test "$gl_cv_lib_sigsegv" = yes; then + AC_SUBST([LIBCSTACK], [$LIBSIGSEGV]) + AC_SUBST([LTLIBCSTACK], [$LTLIBSIGSEGV]) + fi + fi ]) AC_DEFUN([gl_C_STACK], -- 2.25.1