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authorDan Nicholson <dbn.lists@gmail.com>2008-05-05 15:42:53 -0700
committerDan Nicholson <dbn.lists@gmail.com>2008-05-05 15:42:53 -0700
commit297e16cc7acc45b7946e03febd370ecba7835750 (patch)
tree8cfba904c5ef6f29637326788c73863e5e707cad
parenta2b73c74b0843aabea629e2c7ec7f359ddd47caf (diff)
autoconf: More quoting, just to be safe
-rw-r--r--configure.ac245
1 files changed, 125 insertions, 120 deletions
diff --git a/configure.ac b/configure.ac
index 980089364e..ca63c7e20a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,6 +1,6 @@
dnl Process this file with autoconf to create configure.
-AC_PREREQ(2.59)
+AC_PREREQ([2.59])
dnl Versioning - scrape the version from configs/default
m4_define([mesa_version],
@@ -14,16 +14,16 @@ m4_ifval(mesa_version,[],[
AC_INIT([Mesa],[mesa_version],
[https://bugs.freedesktop.org/enter_bug.cgi?product=Mesa])
-AC_CONFIG_AUX_DIR(bin)
+AC_CONFIG_AUX_DIR([bin])
AC_CANONICAL_HOST
dnl Check for progs
AC_PROG_CPP
AC_PROG_CC
AC_PROG_CXX
-AC_CHECK_PROGS(MAKE, [gmake make])
-AC_PATH_PROG(MKDEP, makedepend)
-AC_PATH_PROG(SED, sed)
+AC_CHECK_PROGS([MAKE], [gmake make])
+AC_PATH_PROG([MKDEP], [makedepend])
+AC_PATH_PROG([SED], [sed])
MKDEP_OPTIONS=-fdepend
dnl Ask gcc where it's keeping its secret headers
@@ -33,15 +33,15 @@ if test "x$GCC" = xyes; then
MKDEP_OPTIONS="$MKDEP_OPTIONS -I$GCC_INCLUDES"
fi
fi
-AC_SUBST(MKDEP_OPTIONS)
+AC_SUBST([MKDEP_OPTIONS])
dnl Check to see if dlopen is in default libraries (like Solaris, which
dnl has it in libc), or if libdl is needed to get it.
AC_CHECK_FUNC([dlopen], [],
- AC_CHECK_LIB([dl], [dlopen], DLOPEN_LIBS="-ldl"))
+ [AC_CHECK_LIB([dl], [dlopen], [DLOPEN_LIBS="-ldl"])])
dnl Make sure the pkg-config macros are defined
-m4_ifdef([PKG_PROG_PKG_CONFIG],,[
+m4_ifdef([PKG_PROG_PKG_CONFIG],[],[
m4_errprint([Error: Could not locate the pkg-config autoconf macros.
These are usually located in /usr/share/aclocal/pkg.m4. If your
macros are in a different location, try setting the environment
@@ -54,21 +54,21 @@ PKG_PROG_PKG_CONFIG()
dnl LIB_DIR - library basename
LIB_DIR=`echo $libdir | $SED 's%.*/%%'`
-AC_SUBST(LIB_DIR)
+AC_SUBST([LIB_DIR])
dnl Cache LDFLAGS so we can add EXTRA_LIB_PATH and restore it later
_SAVE_LDFLAGS="$LDFLAGS"
-AC_ARG_VAR(EXTRA_LIB_PATH,[Extra -L paths for the linker])
-AC_SUBST(EXTRA_LIB_PATH)
+AC_ARG_VAR([EXTRA_LIB_PATH],[Extra -L paths for the linker])
+AC_SUBST([EXTRA_LIB_PATH])
dnl Cache CPPFLAGS so we can add *_INCLUDES and restore it later
_SAVE_CPPFLAGS="$CPPFLAGS"
-AC_ARG_VAR(X11_INCLUDES,[Extra -I paths for X11 headers])
-AC_SUBST(X11_INCLUDES)
+AC_ARG_VAR([X11_INCLUDES],[Extra -I paths for X11 headers])
+AC_SUBST([X11_INCLUDES])
dnl Compiler macros
DEFINES=""
-AC_SUBST(DEFINES)
+AC_SUBST([DEFINES])
case "$host_os" in
linux*)
if test "x$GCC" = xyes; then
@@ -93,21 +93,21 @@ if test "x$GXX" = xyes; then
fi
dnl These should be unnecessary, but let the user set them if they want
-AC_ARG_VAR(OPT_FLAGS, [Additional optimization flags for the compiler.
+AC_ARG_VAR([OPT_FLAGS], [Additional optimization flags for the compiler.
Default is to use CFLAGS.])
-AC_ARG_VAR(ARCH_FLAGS, [Additional architecture specific flags for the
+AC_ARG_VAR([ARCH_FLAGS], [Additional architecture specific flags for the
compiler. Default is to use CFLAGS.])
-AC_SUBST(OPT_FLAGS)
-AC_SUBST(ARCH_FLAGS)
+AC_SUBST([OPT_FLAGS])
+AC_SUBST([ARCH_FLAGS])
dnl
dnl Hacks to enable 32 or 64 bit build
dnl
-AC_ARG_ENABLE(32-bit,
+AC_ARG_ENABLE([32-bit],
[AS_HELP_STRING([--enable-32-bit],
[build 32-bit libraries @<:@default=auto@:>@])],
- enable_32bit="$enableval",
- enable_32bit=auto
+ [enable_32bit="$enableval"],
+ [enable_32bit=auto]
)
if test "x$enable_32bit" = xyes; then
if test "x$GCC" = xyes; then
@@ -117,11 +117,11 @@ if test "x$enable_32bit" = xyes; then
CXXFLAGS="$CXXFLAGS -m32"
fi
fi
-AC_ARG_ENABLE(64-bit,
+AC_ARG_ENABLE([64-bit],
[AS_HELP_STRING([--enable-64-bit],
[build 64-bit libraries @<:@default=auto@:>@])],
- enable_64bit="$enableval",
- enable_64bit=auto
+ [enable_64bit="$enableval"],
+ [enable_64bit=auto]
)
if test "x$enable_64bit" = xyes; then
if test "x$GCC" = xyes; then
@@ -135,11 +135,11 @@ fi
dnl
dnl shared/static libraries, mimic libtool options
dnl
-AC_ARG_ENABLE(static,
+AC_ARG_ENABLE([static],
[AS_HELP_STRING([--enable-static],
[build static libraries @<:@default=disabled@:>@])],
- enable_static="$enableval",
- enable_static=no
+ [enable_static="$enableval"],
+ [enable_static=no]
)
case "x$enable_static" in
xyes|xno ) ;;
@@ -148,11 +148,11 @@ x ) enable_static=no ;;
AC_MSG_ERROR([Static library option '$enable_static' is not a valid])
;;
esac
-AC_ARG_ENABLE(shared,
+AC_ARG_ENABLE([shared],
[AS_HELP_STRING([--disable-shared],
[build shared libraries @<:@default=enabled@:>@])],
- enable_shared="$enableval",
- enable_shared=yes
+ [enable_shared="$enableval"],
+ [enable_shared=yes]
)
case "x$enable_shared" in
xyes|xno ) ;;
@@ -179,20 +179,20 @@ esac
dnl
dnl mklib options
dnl
-AC_ARG_VAR(MKLIB_OPTIONS,[Options for the Mesa library script, mklib])
+AC_ARG_VAR([MKLIB_OPTIONS],[Options for the Mesa library script, mklib])
if test "$enable_static" = yes; then
MKLIB_OPTIONS="$MKLIB_OPTIONS -static"
fi
-AC_SUBST(MKLIB_OPTIONS)
+AC_SUBST([MKLIB_OPTIONS])
dnl
dnl other compiler options
dnl
-AC_ARG_ENABLE(debug,
+AC_ARG_ENABLE([debug],
[AS_HELP_STRING([--enable-debug],
[use debug compiler flags and macros @<:@default=disabled@:>@])],
- enable_debug="$enableval",
- enable_debug=no
+ [enable_debug="$enableval"],
+ [enable_debug=no]
)
if test "x$enable_debug" = xyes; then
DEFINES="$DEFINES -DDEBUG"
@@ -204,11 +204,11 @@ if test "x$enable_debug" = xyes; then
fi
fi
dnl These will be used near the end in the arch specific options
-AC_ARG_ENABLE(asm,
+AC_ARG_ENABLE([asm],
[AS_HELP_STRING([--disable-asm],
[disable assembly usage @<:@default=enabled on supported plaforms@:>@])],
- enable_asm="$enableval",
- enable_asm=yes
+ [enable_asm="$enableval"],
+ [enable_asm=yes]
)
dnl
@@ -227,11 +227,11 @@ else
GLW_LIB_NAME='lib$(GLW_LIB).so'
OSMESA_LIB_NAME='lib$(OSMESA_LIB).so'
fi
-AC_SUBST(GL_LIB_NAME)
-AC_SUBST(GLU_LIB_NAME)
-AC_SUBST(GLUT_LIB_NAME)
-AC_SUBST(GLW_LIB_NAME)
-AC_SUBST(OSMESA_LIB_NAME)
+AC_SUBST([GL_LIB_NAME])
+AC_SUBST([GLU_LIB_NAME])
+AC_SUBST([GLUT_LIB_NAME])
+AC_SUBST([GLW_LIB_NAME])
+AC_SUBST([OSMESA_LIB_NAME])
dnl
dnl Driver configuration. Options are xlib, dri and osmesa right now.
@@ -252,11 +252,11 @@ freebsd* | dragonfly*)
;;
esac
-AC_ARG_WITH(driver,
+AC_ARG_WITH([driver],
[AS_HELP_STRING([--with-driver=DRIVER],
[driver for Mesa: xlib,dri,osmesa @<:@default=dri when available, or xlib@:>@])],
- mesa_driver="$withval",
- mesa_driver="$default_driver")
+ [mesa_driver="$withval"],
+ [mesa_driver="$default_driver"])
dnl Check for valid option
case "x$mesa_driver" in
xxlib|xdri|xosmesa)
@@ -285,10 +285,10 @@ osmesa)
DRIVER_DIRS="osmesa"
;;
esac
-AC_SUBST(SRC_DIRS)
-AC_SUBST(GLU_DIRS)
-AC_SUBST(DRIVER_DIRS)
-AC_SUBST(WINDOW_SYSTEM)
+AC_SUBST([SRC_DIRS])
+AC_SUBST([GLU_DIRS])
+AC_SUBST([DRIVER_DIRS])
+AC_SUBST([WINDOW_SYSTEM])
dnl
dnl User supplied program configuration
@@ -298,12 +298,12 @@ if test -d "$srcdir/progs/demos"; then
else
default_demos=no
fi
-AC_ARG_WITH(demos,
+AC_ARG_WITH([demos],
[AS_HELP_STRING([--with-demos@<:@=DIRS...@:>@],
[optional comma delimited demo directories to build
@<:@default=auto if source available@:>@])],
- with_demos="$withval",
- with_demos="$default_demos")
+ [with_demos="$withval"],
+ [with_demos="$default_demos"])
if test "x$with_demos" = x; then
with_demos=no
fi
@@ -360,12 +360,16 @@ xlib|dri)
esac
# SELinux awareness.
-AC_ARG_ENABLE(selinux, AS_HELP_STRING([--enable-selinux], [Build SELinux-aware Mesa (default: disabled)]), [MESA_SELINUX=$enableval], [MESA_SELINUX=no])
+AC_ARG_ENABLE([selinux],
+ [AS_HELP_STRING([--enable-selinux],
+ [Build SELinux-aware Mesa (default: disabled)])],
+ [MESA_SELINUX="$enableval"],
+ [MESA_SELINUX=no])
if test "x$enable_selinux" = "xyes"; then
- AC_CHECK_HEADER(selinux/selinux.h,,
- AC_MSG_ERROR([SELinux headers not found]))
- AC_CHECK_LIB(selinux,is_selinux_enabled,,
- AC_MSG_ERROR([SELinux library not found]))
+ AC_CHECK_HEADER([selinux/selinux.h],[],
+ [AC_MSG_ERROR([SELinux headers not found])])
+ AC_CHECK_LIB([selinux],[is_selinux_enabled],[],
+ [AC_MSG_ERROR([SELinux library not found])])
SELINUX_LIBS="-lselinux"
DEFINES="$DEFINES -DMESA_SELINUX"
fi
@@ -376,7 +380,7 @@ dnl
case "$mesa_driver" in
xlib)
if test "$x11_pkgconfig" = yes; then
- PKG_CHECK_MODULES(XLIBGL, x11 xext)
+ PKG_CHECK_MODULES([XLIBGL], [x11 xext])
X11_INCLUDES="$X11_INCLUDES $XLIBGL_CFLAGS"
GL_LIB_DEPS="$XLIBGL_LIBS"
else
@@ -400,12 +404,12 @@ dri)
fi
# Check for libdrm
- PKG_CHECK_MODULES(LIBDRM, libdrm)
- PKG_CHECK_MODULES(DRI2PROTO, dri2proto >= 1.1)
+ PKG_CHECK_MODULES([LIBDRM], [libdrm])
+ PKG_CHECK_MODULES([DRI2PROTO], [dri2proto >= 1.1])
# find the DRI deps for libGL
if test "$x11_pkgconfig" = yes; then
- PKG_CHECK_MODULES(DRIGL, x11 xext xxf86vm xdamage xfixes)
+ PKG_CHECK_MODULES([DRIGL], [x11 xext xxf86vm xdamage xfixes])
X11_INCLUDES="$X11_INCLUDES $DRIGL_CFLAGS"
GL_LIB_DEPS="$DRIGL_LIBS"
else
@@ -422,7 +426,7 @@ osmesa)
GL_LIB_DEPS=""
;;
esac
-AC_SUBST(GL_LIB_DEPS)
+AC_SUBST([GL_LIB_DEPS])
dnl
dnl More X11 setup
@@ -434,31 +438,31 @@ fi
dnl
dnl More DRI setup
dnl
-AC_ARG_ENABLE(glx-tls,
+AC_ARG_ENABLE([glx-tls],
[AS_HELP_STRING([--enable-glx-tls],
[enable TLS support in GLX @<:@default=disabled@:>@])],
- GLX_USE_TLS="$enableval",
- GLX_USE_TLS=no)
+ [GLX_USE_TLS="$enableval"],
+ [GLX_USE_TLS=no])
dnl Directory for DRI drivers
-AC_ARG_WITH(dri-driverdir,
+AC_ARG_WITH([dri-driverdir],
[AS_HELP_STRING([--with-dri-driverdir=DIR],
[directory for the DRI drivers @<:@/usr/X11R6/lib/modules/dri@:>@])],
- DRI_DRIVER_INSTALL_DIR="$withval",
- DRI_DRIVER_INSTALL_DIR='/usr/X11R6/lib/modules/dri')
-AC_SUBST(DRI_DRIVER_INSTALL_DIR)
+ [DRI_DRIVER_INSTALL_DIR="$withval"],
+ [DRI_DRIVER_INSTALL_DIR='/usr/X11R6/lib/modules/dri'])
+AC_SUBST([DRI_DRIVER_INSTALL_DIR])
dnl Direct rendering or just indirect rendering
-AC_ARG_ENABLE(driglx-direct,
+AC_ARG_ENABLE([driglx-direct],
[AS_HELP_STRING([--disable-driglx-direct],
[enable direct rendering in GLX for DRI @<:@default=enabled@:>@])],
- driglx_direct="$enableval",
- driglx_direct="yes")
+ [driglx_direct="$enableval"],
+ [driglx_direct="yes"])
dnl Which drivers to build - default is chosen by platform
-AC_ARG_WITH(dri-drivers,
+AC_ARG_WITH([dri-drivers],
[AS_HELP_STRING([--with-dri-drivers@<:@=DIRS...@:>@],
[comma delimited DRI drivers, e.g. "i965,radeon,nouveau" @<:@default=auto@:>@])],
- with_dri_drivers="$withval",
- with_dri_drivers=yes)
+ [with_dri_drivers="$withval"],
+ [with_dri_drivers=yes])
if test "x$with_dri_drivers" = x; then
with_dri_drivers=no
fi
@@ -481,7 +485,7 @@ esac
dnl Just default to no EGL for now
USING_EGL=0
-AC_SUBST(USING_EGL)
+AC_SUBST([USING_EGL])
dnl Set DRI_DIRS, DEFINES and LIB_DEPS
if test "$mesa_driver" = dri; then
@@ -554,23 +558,24 @@ if test "$mesa_driver" = dri; then
# Check for expat
EXPAT_INCLUDES=""
EXPAT_LIB=-lexpat
- AC_ARG_WITH(expat, AS_HELP_STRING([--with-expat=DIR],
- [expat install directory]),[
+ AC_ARG_WITH([expat],
+ [AS_HELP_STRING([--with-expat=DIR],
+ [expat install directory])],[
EXPAT_INCLUDES="-I$withval/include"
CPPFLAGS="$CPPFLAGS $EXPAT_INCLUDES"
LDFLAGS="$LDFLAGS -L$withval/$LIB_DIR"
EXPAT_LIB="-L$withval/$LIB_DIR -lexpat"
])
- AC_CHECK_HEADER(expat.h,,AC_MSG_ERROR([Expat required for DRI.]))
- AC_CHECK_LIB(expat, XML_ParserCreate,,
- AC_MSG_ERROR([Expat required for DRI.]))
+ AC_CHECK_HEADER([expat.h],[],[AC_MSG_ERROR([Expat required for DRI.])])
+ AC_CHECK_LIB([expat],[XML_ParserCreate],[],
+ [AC_MSG_ERROR([Expat required for DRI.])])
# put all the necessary libs together
DRI_LIB_DEPS="$SELINUX_LIBS $LIBDRM_LIBS $EXPAT_LIB -lm -lpthread $DLOPEN_LIBS"
fi
-AC_SUBST(DRI_DIRS)
-AC_SUBST(EXPAT_INCLUDES)
-AC_SUBST(DRI_LIB_DEPS)
+AC_SUBST([DRI_DIRS])
+AC_SUBST([EXPAT_INCLUDES])
+AC_SUBST([DRI_LIB_DEPS])
dnl
dnl OSMesa configuration
@@ -580,11 +585,11 @@ if test "$mesa_driver" = xlib; then
else
default_gl_osmesa=no
fi
-AC_ARG_ENABLE(gl-osmesa,
+AC_ARG_ENABLE([gl-osmesa],
[AS_HELP_STRING([--enable-gl-osmesa],
[enable OSMesa on libGL @<:@default=enabled for xlib driver@:>@])],
- gl_osmesa="$enableval",
- gl_osmesa="$default_gl_osmesa")
+ [gl_osmesa="$enableval"],
+ [gl_osmesa="$default_gl_osmesa"])
if test "x$gl_osmesa" = xyes; then
if test "$mesa_driver" = osmesa; then
AC_MSG_ERROR([libGL is not available for OSMesa driver])
@@ -594,11 +599,11 @@ if test "x$gl_osmesa" = xyes; then
fi
dnl Configure the channel bits for OSMesa (libOSMesa, libOSMesa16, ...)
-AC_ARG_WITH(osmesa-bits,
+AC_ARG_WITH([osmesa-bits],
[AS_HELP_STRING([--with-osmesa-bits=BITS],
[OSMesa channel bits and library name: 8, 16, 32 @<:@default=8@:>@])],
- osmesa_bits="$withval",
- osmesa_bits=8)
+ [osmesa_bits="$withval"],
+ [osmesa_bits=8])
if test "$mesa_driver" != osmesa && test "x$osmesa_bits" != x8; then
AC_MSG_WARN([Ignoring OSMesa channel bits for non-OSMesa driver])
osmesa_bits=8
@@ -615,7 +620,7 @@ x16|x32)
AC_MSG_ERROR([OSMesa bits '$osmesa_bits' is not a valid option])
;;
esac
-AC_SUBST(OSMESA_LIB)
+AC_SUBST([OSMESA_LIB])
case "$mesa_driver" in
osmesa)
@@ -638,8 +643,8 @@ osmesa)
fi
;;
esac
-AC_SUBST(OSMESA_LIB_DEPS)
-AC_SUBST(OSMESA_MESA_DEPS)
+AC_SUBST([OSMESA_LIB_DEPS])
+AC_SUBST([OSMESA_MESA_DEPS])
dnl
dnl GLcore configuration
@@ -650,17 +655,17 @@ GLCORE_LIB_DEPS='-lm -lpthread'
if test "$mesa_driver" = dri; then
GLCORE_LIB_DEPS="$GLCORE_LIB_DEPS $DLOPEN_LIBS"
fi
-AC_SUBST(XORG_CFLAGS)
-AC_SUBST(GLCORE_LIB_DEPS)
+AC_SUBST([XORG_CFLAGS])
+AC_SUBST([GLCORE_LIB_DEPS])
dnl
dnl GLU configuration
dnl
-AC_ARG_ENABLE(glu,
+AC_ARG_ENABLE([glu],
[AS_HELP_STRING([--disable-glu],
[enable OpenGL Utility library @<:@default=enabled@:>@])],
- enable_glu="$enableval",
- enable_glu=yes)
+ [enable_glu="$enableval"],
+ [enable_glu=yes])
if test "x$enable_glu" = xyes; then
SRC_DIRS="$SRC_DIRS glu"
@@ -693,17 +698,17 @@ if test "x$enable_glu" = xyes; then
;;
esac
fi
-AC_SUBST(GLU_LIB_DEPS)
-AC_SUBST(GLU_MESA_DEPS)
+AC_SUBST([GLU_LIB_DEPS])
+AC_SUBST([GLU_MESA_DEPS])
dnl
dnl GLw configuration
dnl
-AC_ARG_ENABLE(glw,
+AC_ARG_ENABLE([glw],
[AS_HELP_STRING([--disable-glw],
[enable Xt/Motif widget library @<:@default=enabled@:>@])],
- enable_glw="$enableval",
- enable_glw=yes)
+ [enable_glw="$enableval"],
+ [enable_glw=yes])
dnl Don't build GLw on osmesa
if test "x$enable_glw" = xyes && test "$mesa_driver" = osmesa; then
AC_MSG_WARN([Disabling GLw since the driver is OSMesa])
@@ -712,7 +717,7 @@ fi
if test "x$enable_glw" = xyes; then
SRC_DIRS="$SRC_DIRS glw"
if test "$x11_pkgconfig" = yes; then
- PKG_CHECK_MODULES(GLW, x11 xt)
+ PKG_CHECK_MODULES([GLW],[x11 xt])
GLW_LIB_DEPS="$GLW_LIBS"
else
# should check these...
@@ -728,8 +733,8 @@ if test "x$enable_glw" = xyes; then
GLW_MESA_DEPS=""
fi
fi
-AC_SUBST(GLW_LIB_DEPS)
-AC_SUBST(GLW_MESA_DEPS)
+AC_SUBST([GLW_LIB_DEPS])
+AC_SUBST([GLW_MESA_DEPS])
dnl
dnl GLUT configuration
@@ -739,11 +744,11 @@ if test -f "$srcdir/include/GL/glut.h"; then
else
default_glut=no
fi
-AC_ARG_ENABLE(glut,
+AC_ARG_ENABLE([glut],
[AS_HELP_STRING([--disable-glut],
[enable GLUT library @<:@default=enabled if source available@:>@])],
- enable_glut="$enableval",
- enable_glut="$default_glut")
+ [enable_glut="$enableval"],
+ [enable_glut="$default_glut"])
dnl Can't build glut if GLU not available
if test "x$enable_glu$enable_glut" = xnoyes; then
@@ -763,7 +768,7 @@ if test "x$enable_glut" = xyes; then
GLUT_CFLAGS="-fexceptions"
fi
if test "$x11_pkgconfig" = yes; then
- PKG_CHECK_MODULES(GLUT, x11 xmu xi)
+ PKG_CHECK_MODULES([GLUT],[x11 xmu xi])
GLUT_LIB_DEPS="$GLUT_LIBS"
else
# should check these...
@@ -785,9 +790,9 @@ if test "x$enable_glut" = xyes; then
GLUT_MESA_DEPS=""
fi
fi
-AC_SUBST(GLUT_LIB_DEPS)
-AC_SUBST(GLUT_MESA_DEPS)
-AC_SUBST(GLUT_CFLAGS)
+AC_SUBST([GLUT_LIB_DEPS])
+AC_SUBST([GLUT_MESA_DEPS])
+AC_SUBST([GLUT_CFLAGS])
dnl
dnl Program library dependencies
@@ -797,18 +802,18 @@ dnl
if test "x$APP_LIB_DEPS" = x; then
APP_LIB_DEPS="-lm"
fi
-AC_SUBST(APP_LIB_DEPS)
-AC_SUBST(PROGRAM_DIRS)
+AC_SUBST([APP_LIB_DEPS])
+AC_SUBST([PROGRAM_DIRS])
dnl Arch/platform-specific settings
PIC_FLAGS=""
ASM_FLAGS=""
ASM_SOURCES=""
ASM_API=""
-AC_SUBST(PIC_FLAGS)
-AC_SUBST(ASM_FLAGS)
-AC_SUBST(ASM_SOURCES)
-AC_SUBST(ASM_API)
+AC_SUBST([PIC_FLAGS])
+AC_SUBST([ASM_FLAGS])
+AC_SUBST([ASM_SOURCES])
+AC_SUBST([ASM_API])
case "$host_os" in
linux*)
PIC_FLAGS="-fPIC"