[nasm:nasm-2.13.xx] configure: Add --enable-gdb option

[nasm-bot f. C. G. <gor...@gm...>]

Commit-ID:  d7a547336865b688e50278f24cc598c358d5d577
Gitweb:     http://repo.or.cz/w/nasm.git?a=commitdiff;h=d7a547336865b688e50278f24cc598c358d5d577
Author:     Cyrill Gorcunov <gor...@gm...>
AuthorDate: Sat, 29 Jul 2017 16:05:36 +0300
Committer:  H. Peter Anvin <hp...@zy...>
CommitDate: Wed, 16 Aug 2017 14:59:25 -0700

configure: Add --enable-gdb option

When one needs to run nasm under GDB

Signed-off-by: Cyrill Gorcunov <gor...@gm...>
Signed-off-by: H. Peter Anvin <hp...@zy...>


---
 configure.ac | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/configure.ac b/configure.ac
index bc8a1a2..37f51af 100644
--- a/configure.ac
+++ b/configure.ac
@@ -32,6 +32,12 @@ PA_ARG_DISABLED([optimization],
 AS_IF([test x"$pa_init_cflags" = x],
       [CFLAGS=`echo "$CFLAGS" | sed -e "s/-O2/$pa_optimize/"`])
 
+dnl Compile and link with dwarf debug
+PA_ARG_ENABLED([gdb],
+ [disable optimization and compile with extra debug information for GDB debugger],
+ [CFLAGS=`echo "$CFLAGS" | sed -e "s/\(-O2\|-O3\)/-O0/"`
+   PA_ADD_CLDFLAGS([-ggdb3])])
+
 dnl Check for library extension
 PA_LIBEXT