autoconf: don't force-disable compiler debug option

When nothing is told to configure, we should not enforce switching off
debug options with -g0 (or similar). We instead don't use -g at all in
that situaion and therefore allow the user's CFLAGS settings possibly
dictate what to do.

diff --git a/m4/curl-compilers.m4 b/m4/curl-compilers.m4
index 0cbba7a..819bbd9 100644 (file)
--- a/m4/curl-compilers.m4
+++ b/m4/curl-compilers.m4
@@ -97,7 +97,7 @@ AC_DEFUN([CURL_CHECK_COMPILER_CLANG], [
     flags_dbg_all="$flags_dbg_all -gdwarf-2"
     flags_dbg_all="$flags_dbg_all -gvms"
     flags_dbg_yes="-g"
-    flags_dbg_off="-g0"
+    flags_dbg_off=""
     flags_opt_all="-O -O0 -O1 -O2 -Os -O3 -O4"
     flags_opt_yes="-Os"
     flags_opt_off="-O0"
@@ -121,7 +121,7 @@ AC_DEFUN([CURL_CHECK_COMPILER_DEC_C], [
     compiler_id="DEC_C"
     flags_dbg_all="-g -g0 -g1 -g2 -g3"
     flags_dbg_yes="-g2"
-    flags_dbg_off="-g0"
+    flags_dbg_off=""
     flags_opt_all="-O -O0 -O1 -O2 -O3 -O4"
     flags_opt_yes="-O1"
     flags_opt_off="-O0"
@@ -157,7 +157,7 @@ AC_DEFUN([CURL_CHECK_COMPILER_GNU_C], [
     flags_dbg_all="$flags_dbg_all -gdwarf-2"
     flags_dbg_all="$flags_dbg_all -gvms"
     flags_dbg_yes="-g"
-    flags_dbg_off="-g0"
+    flags_dbg_off=""
     flags_opt_all="-O -O0 -O1 -O2 -O3 -Os"
     flags_opt_yes="-O2"
     flags_opt_off="-O0"
@@ -236,7 +236,7 @@ AC_DEFUN([CURL_CHECK_COMPILER_INTEL_C], [
       compiler_id="INTEL_UNIX_C"
       flags_dbg_all="-g -g0"
       flags_dbg_yes="-g"
-      flags_dbg_off="-g0"
+      flags_dbg_off=""
       flags_opt_all="-O -O0 -O1 -O2 -O3 -Os"
       flags_opt_yes="-O2"
       flags_opt_off="-O0"
@@ -300,7 +300,7 @@ AC_DEFUN([CURL_CHECK_COMPILER_SGI_MIPS_C], [
     compiler_id="SGI_MIPS_C"
     flags_dbg_all="-g -g0 -g1 -g2 -g3"
     flags_dbg_yes="-g"
-    flags_dbg_off="-g0"
+    flags_dbg_off=""
     flags_opt_all="-O -O0 -O1 -O2 -O3 -Ofast"
     flags_opt_yes="-O2"
     flags_opt_off="-O0"
@@ -327,7 +327,7 @@ AC_DEFUN([CURL_CHECK_COMPILER_SGI_MIPSPRO_C], [
     compiler_id="SGI_MIPSPRO_C"
     flags_dbg_all="-g -g0 -g1 -g2 -g3"
     flags_dbg_yes="-g"
-    flags_dbg_off="-g0"
+    flags_dbg_off=""
     flags_opt_all="-O -O0 -O1 -O2 -O3 -Ofast"
     flags_opt_yes="-O2"
     flags_opt_off="-O0"