Add --enable-debug option.

diff --git a/configure b/configure
index efbb6f336f17b2398e26a3c9ac15c9cb59b76f65..d7c7d1273df70e5e1042725fdee1c71c203403a9 100755 (executable)
--- a/configure
+++ b/configure
@@ -19,6 +19,7 @@ General build options:
   --datadir=directory     - data directory (default: $prefix/share)
   --mandir=directory      - man documentation directory (default: $prefix/share/man)
   --enable-gpl            - Enable GPL components
+  --enable-debug          - Compile without optimizations support (default: off)
   --disable-debug         - Compile without debug support (default: on)
   --disable-mmx           - Compile without MMX support (default: on)
   --disable-sse           - Compile without SSE support (default: on)
@@ -69,7 +70,8 @@ build_config()
 
                [ "$arch" != "" ] && echo "TARGETARCH=-march=$arch"
                [ "$cpu" != "" ] && echo "TARGETCPU=-mcpu=$cpu"
-               echo "OPTIMISATIONS=-O2 -pipe -fomit-frame-pointer"
+               [ "$optimisations" = "true" ] &&
+                       echo "OPTIMISATIONS=-O2 -pipe -fomit-frame-pointer"
 
                echo "CFLAGS+=-Wall -DPIC \$(TARGETARCH) \$(TARGETCPU) \$(OPTIMISATIONS) \$(MMX_FLAGS) \$(SSE_FLAGS) \$(SSE2_FLAGS) \$(DEBUG_FLAGS) \$(LARGE_FILE)"
 
@@ -82,7 +84,8 @@ build_config()
                ;;
                Linux)
                [ "$(uname -m)" = "x86_64" ] && echo "ARCH_X86_64=1" && echo "CFLAGS+=-DARCH_X86_64"
-               echo "OPTIMISATIONS+=-ffast-math"
+               [ "$optimisations" = "true" ] &&
+                       echo "OPTIMISATIONS+=-ffast-math"
                echo "CFLAGS+=-fPIC -pthread"
                echo "SHFLAGS=-shared"
                echo "LIBDL=-ldl"
@@ -91,7 +94,8 @@ build_config()
                ;;
                FreeBSD)
                [ "$(uname -m)" = "x86_64" ] && echo "ARCH_X86_64=1" && echo "CFLAGS+=-DARCH_X86_64"
-               echo "OPTIMISATIONS+=-ffast-math"
+               [ "$optimisations" = "true" ] &&
+                       echo "OPTIMISATIONS+=-ffast-math"
                echo "CFLAGS+=-fPIC -pthread"
                echo "SHFLAGS=-shared"
                echo "RDYNAMIC=-rdynamic"
@@ -99,7 +103,8 @@ build_config()
                ;;
                NetBSD)
                [ "$(uname -m)" = "amd64" ] && echo "ARCH_X86_64=1" && echo "CFLAGS+=-DARCH_X86_64"
-               echo "OPTIMISATIONS+=-ffast-math"
+               [ "$optimisations" = "true" ] &&
+                       echo "OPTIMISATIONS+=-ffast-math"
                echo "CFLAGS+=-pthread"
                echo "SHFLAGS=-shared"
                echo "RDYNAMIC=-rdynamic"
@@ -107,7 +112,8 @@ build_config()
                ;;
                MinGW)
                [ "$(uname -m)" = "x86_64" ] && echo "ARCH_X86_64=1" && echo "CFLAGS+=-DARCH_X86_64"
-               echo "OPTIMISATIONS+=-ffast-math"
+               [ "$optimisations" = "true" ] &&
+                       echo "OPTIMISATIONS+=-ffast-math"
                echo "SHFLAGS=-shared"
                echo "LIBDL=-ldl"
                echo "RDYNAMIC="
@@ -171,6 +177,7 @@ export libdir=""
 export datadir=""
 export mandir=""
 export help=0
+export optimisations=true
 export debug=true
 export mmx=true
 export sse=true
@@ -209,6 +216,7 @@ do
                --libdir=* )            libdir="${i#--libdir=}" ;;
                --datadir=* )           datadir="${i#--datadir=}" ;;
                --mandir=* )            mandir="${i#--mandir=}" ;;
+               --enable-debug )        optimisations=false ;;
                --disable-debug )       debug=false ;;
                --disable-mmx )         mmx=false; sse=false; sse2=false ;;
                --disable-sse )         sse=false; sse2=false ;;