From df74defbb64026811fe676309a236fe649116d45 Mon Sep 17 00:00:00 2001 From: David Kastrup Date: Mon, 28 Nov 2011 14:14:49 +0100 Subject: [PATCH] Work around compiler bug, Issue 1997: segfault in tablature-negative-fret.ly --- configure.in | 1 + stepmake/aclocal.m4 | 12 ++++++++++++ 2 files changed, 13 insertions(+) diff --git a/configure.in b/configure.in index 74a27bbfa8..8dc4e5ca97 100644 --- a/configure.in +++ b/configure.in @@ -99,6 +99,7 @@ STEPMAKE_GCC_OR_CLANG(REQUIRED, 3.4) STEPMAKE_CXX(REQUIRED) STEPMAKE_GXX_OR_CLANG(REQUIRED, 3.4) +STEPMAKE_GXXCODEGENBUG STEPMAKE_CXXTEMPLATE STEPMAKE_STL_DATA_METHOD STEPMAKE_LIB(REQUIRED) diff --git a/stepmake/aclocal.m4 b/stepmake/aclocal.m4 index c29621b409..8045c3ef0a 100644 --- a/stepmake/aclocal.m4 +++ b/stepmake/aclocal.m4 @@ -286,6 +286,18 @@ AC_DEFUN(STEPMAKE_CXXTEMPLATE, [ fi ]) +AC_DEFUN(STEPMAKE_GXXCODEGENBUG, [ + AC_MSG_CHECKING([options for known g++ tail call bug]) + case "$GXX:$CXX_VERSION" in + yes:400600?) + AC_MSG_RESULT([-fno-optimize-sibling-calls]) + CXXFLAGS="$CXXFLAGS -fno-optimize-sibling-calls" + ;; + *) AC_MSG_RESULT([none]) + esac + AC_SUBST(CXXFLAGS) +]) + AC_DEFUN(STEPMAKE_DATADIR, [ if test "$datadir" = "\${prefix}/share"; then -- 2.39.5