From ff952bc8ddc072ebea64cda6c8f27d49097d8eae Mon Sep 17 00:00:00 2001
From: Ozkan Sezer <[EMAIL REDACTED]>
Date: Mon, 7 Nov 2022 21:15:56 +0300
Subject: [PATCH] revert replace AM_PATH_SDL2 usage with corresponding
PKG_CHECK_MODULES.
Reference issue: https://github.com/libsdl-org/SDL/issues/6494 .
---
Makefile.in | 5 +-
acinclude/sdl2.m4 | 180 +++++++++++++++++++++++++
aclocal.m4 | 1 +
configure | 330 +++++++++++++++++++++++++++++++++++++++++-----
configure.ac | 5 +-
5 files changed, 486 insertions(+), 35 deletions(-)
create mode 100644 acinclude/sdl2.m4
diff --git a/Makefile.in b/Makefile.in
index 51ebc884..63817be1 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -107,8 +107,8 @@ am__aclocal_m4_deps = \
$(top_srcdir)/acinclude/ltsugar.m4 \
$(top_srcdir)/acinclude/ltversion.m4 \
$(top_srcdir)/acinclude/lt~obsolete.m4 \
- $(top_srcdir)/acinclude/pkg.m4 $(top_srcdir)/acinclude/tar.m4 \
- $(top_srcdir)/configure.ac
+ $(top_srcdir)/acinclude/pkg.m4 $(top_srcdir)/acinclude/sdl2.m4 \
+ $(top_srcdir)/acinclude/tar.m4 $(top_srcdir)/configure.ac
am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
$(ACLOCAL_M4)
DIST_COMMON = $(srcdir)/Makefile.am $(top_srcdir)/configure \
@@ -627,6 +627,7 @@ PKG_CONFIG_PATH = @PKG_CONFIG_PATH@
RANLIB = @RANLIB@
RC = @RC@
SDL2TTF_VENDORED = @SDL2TTF_VENDORED@
+SDL2_CONFIG = @SDL2_CONFIG@
SDL_CFLAGS = @SDL_CFLAGS@
SDL_LIBS = @SDL_LIBS@
SDL_VERSION = @SDL_VERSION@
diff --git a/acinclude/sdl2.m4 b/acinclude/sdl2.m4
new file mode 100644
index 00000000..af101a84
--- /dev/null
+++ b/acinclude/sdl2.m4
@@ -0,0 +1,180 @@
+# Configure paths for SDL
+# Sam Lantinga 9/21/99
+# stolen from Manish Singh
+# stolen back from Frank Belew
+# stolen from Manish Singh
+# Shamelessly stolen from Owen Taylor
+
+# serial 2
+
+dnl AM_PATH_SDL2([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])
+dnl Test for SDL, and define SDL_CFLAGS and SDL_LIBS
+dnl
+AC_DEFUN([AM_PATH_SDL2],
+[dnl
+dnl Get the cflags and libraries from the sdl2-config script
+dnl
+AC_ARG_WITH(sdl-prefix,[ --with-sdl-prefix=PFX Prefix where SDL is installed (optional)],
+ sdl_prefix="$withval", sdl_prefix="")
+AC_ARG_WITH(sdl-exec-prefix,[ --with-sdl-exec-prefix=PFX Exec prefix where SDL is installed (optional)],
+ sdl_exec_prefix="$withval", sdl_exec_prefix="")
+AC_ARG_ENABLE(sdltest, [ --disable-sdltest Do not try to compile and run a test SDL program],
+ , enable_sdltest=yes)
+
+ min_sdl_version=ifelse([$1], ,2.0.0,$1)
+
+ if test "x$sdl_prefix$sdl_exec_prefix" = x ; then
+ PKG_CHECK_MODULES([SDL], [sdl2 >= $min_sdl_version],
+ [sdl_pc=yes],
+ [sdl_pc=no])
+ else
+ sdl_pc=no
+ if test x$sdl_exec_prefix != x ; then
+ sdl_config_args="$sdl_config_args --exec-prefix=$sdl_exec_prefix"
+ if test x${SDL2_CONFIG+set} != xset ; then
+ SDL2_CONFIG=$sdl_exec_prefix/bin/sdl2-config
+ fi
+ fi
+ if test x$sdl_prefix != x ; then
+ sdl_config_args="$sdl_config_args --prefix=$sdl_prefix"
+ if test x${SDL2_CONFIG+set} != xset ; then
+ SDL2_CONFIG=$sdl_prefix/bin/sdl2-config
+ fi
+ fi
+ fi
+
+ if test "x$sdl_pc" = xyes ; then
+ no_sdl=""
+ SDL2_CONFIG="pkg-config sdl2"
+ else
+ as_save_PATH="$PATH"
+ if test "x$prefix" != xNONE && test "$cross_compiling" != yes; then
+ PATH="$prefix/bin:$prefix/usr/bin:$PATH"
+ fi
+ AC_PATH_PROG(SDL2_CONFIG, sdl2-config, no, [$PATH])
+ PATH="$as_save_PATH"
+ AC_MSG_CHECKING(for SDL - version >= $min_sdl_version)
+ no_sdl=""
+
+ if test "$SDL2_CONFIG" = "no" ; then
+ no_sdl=yes
+ else
+ SDL_CFLAGS=`$SDL2_CONFIG $sdl_config_args --cflags`
+ SDL_LIBS=`$SDL2_CONFIG $sdl_config_args --libs`
+
+ sdl_major_version=`$SDL2_CONFIG $sdl_config_args --version | \
+ sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
+ sdl_minor_version=`$SDL2_CONFIG $sdl_config_args --version | \
+ sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
+ sdl_micro_version=`$SDL2_CONFIG $sdl_config_args --version | \
+ sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
+ if test "x$enable_sdltest" = "xyes" ; then
+ ac_save_CFLAGS="$CFLAGS"
+ ac_save_CXXFLAGS="$CXXFLAGS"
+ ac_save_LIBS="$LIBS"
+ CFLAGS="$CFLAGS $SDL_CFLAGS"
+ CXXFLAGS="$CXXFLAGS $SDL_CFLAGS"
+ LIBS="$LIBS $SDL_LIBS"
+dnl
+dnl Now check if the installed SDL is sufficiently new. (Also sanity
+dnl checks the results of sdl2-config to some extent
+dnl
+ rm -f conf.sdltest
+ AC_RUN_IFELSE([AC_LANG_SOURCE([[
+#include <stdio.h>
+#include <stdlib.h>
+#include "SDL.h"
+
+int main (int argc, char *argv[])
+{
+ int major, minor, micro;
+ FILE *fp = fopen("conf.sdltest", "w");
+
+ if (fp) fclose(fp);
+
+ if (sscanf("$min_sdl_version", "%d.%d.%d", &major, &minor, µ) != 3) {
+ printf("%s, bad version string\n", "$min_sdl_version");
+ exit(1);
+ }
+
+ if (($sdl_major_version > major) ||
+ (($sdl_major_version == major) && ($sdl_minor_version > minor)) ||
+ (($sdl_major_version == major) && ($sdl_minor_version == minor) && ($sdl_micro_version >= micro)))
+ {
+ return 0;
+ }
+ else
+ {
+ printf("\n*** 'sdl2-config --version' returned %d.%d.%d, but the minimum version\n", $sdl_major_version, $sdl_minor_version, $sdl_micro_version);
+ printf("*** of SDL required is %d.%d.%d. If sdl2-config is correct, then it is\n", major, minor, micro);
+ printf("*** best to upgrade to the required version.\n");
+ printf("*** If sdl2-config was wrong, set the environment variable SDL2_CONFIG\n");
+ printf("*** to point to the correct copy of sdl2-config, and remove the file\n");
+ printf("*** config.cache before re-running configure\n");
+ return 1;
+ }
+}
+
+]])], [], [no_sdl=yes], [echo $ac_n "cross compiling; assumed OK... $ac_c"])
+ CFLAGS="$ac_save_CFLAGS"
+ CXXFLAGS="$ac_save_CXXFLAGS"
+ LIBS="$ac_save_LIBS"
+ fi
+ fi
+ if test "x$no_sdl" = x ; then
+ AC_MSG_RESULT(yes)
+ else
+ AC_MSG_RESULT(no)
+ fi
+ fi
+ if test "x$no_sdl" = x ; then
+ ifelse([$2], , :, [$2])
+ else
+ if test "$SDL2_CONFIG" = "no" ; then
+ echo "*** The sdl2-config script installed by SDL could not be found"
+ echo "*** If SDL was installed in PREFIX, make sure PREFIX/bin is in"
+ echo "*** your path, or set the SDL2_CONFIG environment variable to the"
+ echo "*** full path to sdl2-config."
+ else
+ if test -f conf.sdltest ; then
+ :
+ else
+ echo "*** Could not run SDL test program, checking why..."
+ CFLAGS="$CFLAGS $SDL_CFLAGS"
+ CXXFLAGS="$CXXFLAGS $SDL_CFLAGS"
+ LIBS="$LIBS $SDL_LIBS"
+ AC_LINK_IFELSE([AC_LANG_PROGRAM([[
+#include <stdio.h>
+#include "SDL.h"
+
+int main(int argc, char *argv[])
+{ return 0; }
+#undef main
+#define main K_and_R_C_main
+]], [[ return 0; ]])],
+ [ echo "*** The test program compiled, but did not run. This usually means"
+ echo "*** that the run-time linker is not finding SDL or finding the wrong"
+ echo "*** version of SDL. If it is not finding SDL, you'll need to set your"
+ echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
+ echo "*** to the installed location Also, make sure you have run ldconfig if that"
+ echo "*** is required on your system"
+ echo "***"
+ echo "*** If you have an old version installed, it is best to remove it, although"
+ echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"],
+ [ echo "*** The test program failed to compile or link. See the file config.log for the"
+ echo "*** exact error that occured. This usually means SDL was incorrectly installed"
+ echo "*** or that you have moved SDL since it was installed. In the latter case, you"
+ echo "*** may want to edit the sdl2-config script: $SDL2_CONFIG" ])
+ CFLAGS="$ac_save_CFLAGS"
+ CXXFLAGS="$ac_save_CXXFLAGS"
+ LIBS="$ac_save_LIBS"
+ fi
+ fi
+ SDL_CFLAGS=""
+ SDL_LIBS=""
+ ifelse([$3], , :, [$3])
+ fi
+ AC_SUBST(SDL_CFLAGS)
+ AC_SUBST(SDL_LIBS)
+ rm -f conf.sdltest
+])
diff --git a/aclocal.m4 b/aclocal.m4
index fe0d893c..14906269 100644
--- a/aclocal.m4
+++ b/aclocal.m4
@@ -1026,4 +1026,5 @@ m4_include([acinclude/ltsugar.m4])
m4_include([acinclude/ltversion.m4])
m4_include([acinclude/lt~obsolete.m4])
m4_include([acinclude/pkg.m4])
+m4_include([acinclude/sdl2.m4])
m4_include([acinclude/tar.m4])
diff --git a/configure b/configure
index cf3972ed..7ece8fe2 100755
--- a/configure
+++ b/configure
@@ -829,6 +829,7 @@ FT2_LIBS
FT2_CFLAGS
TTF_USE_HARFBUZZ
SDL2TTF_VENDORED
+SDL2_CONFIG
SDL_LIBS
SDL_CFLAGS
PKG_CONFIG_LIBDIR
@@ -980,6 +981,9 @@ enable_libtool_lock
enable_dependency_tracking
enable_silent_rules
enable_largefile
+with_sdl_prefix
+with_sdl_exec_prefix
+enable_sdltest
enable_freetype_builtin
with_ft_prefix
with_ft_exec_prefix
@@ -1654,6 +1658,7 @@ Optional Features:
--enable-silent-rules less verbose build output (undo: "make V=1")
--disable-silent-rules verbose build output (undo: "make V=0")
--disable-largefile omit support for large files
+ --disable-sdltest Do not try to compile and run a test SDL program
--enable-freetype-builtin
Use included version of FreeType [default=yes]
--disable-freetypetest Do not try to compile and run a test FreeType
@@ -1668,6 +1673,8 @@ Optional Packages:
--with-pic try to use only PIC/non-PIC objects [default=use
both]
--with-gnu-ld assume the C compiler uses GNU ld [default=no]
+ --with-sdl-prefix=PFX Prefix where SDL is installed (optional)
+ --with-sdl-exec-prefix=PFX Exec prefix where SDL is installed (optional)
--with-ft-prefix=PREFIX Prefix where FreeType is installed (optional)
--with-ft-exec-prefix=PREFIX
Exec prefix where FreeType is installed (optional)
@@ -5153,13 +5160,13 @@ then :
else $as_nop
lt_cv_nm_interface="BSD nm"
echo "int some_variable = 0;" > conftest.$ac_ext
- (eval echo "\"\$as_me:5156: $ac_compile\"" >&5)
+ (eval echo "\"\$as_me:5163: $ac_compile\"" >&5)
(eval "$ac_compile" 2>conftest.err)
cat conftest.err >&5
- (eval echo "\"\$as_me:5159: $NM \\\"conftest.$ac_objext\\\"\"" >&5)
+ (eval echo "\"\$as_me:5166: $NM \\\"conftest.$ac_objext\\\"\"" >&5)
(eval "$NM \"conftest.$ac_objext\"" 2>conftest.err > conftest.out)
cat conftest.err >&5
- (eval echo "\"\$as_me:5162: output\"" >&5)
+ (eval echo "\"\$as_me:5169: output\"" >&5)
cat conftest.out >&5
if $GREP 'External.*some_variable' conftest.out > /dev/null; then
lt_cv_nm_interface="MS dumpbin"
@@ -6418,7 +6425,7 @@ ia64-*-hpux*)
;;
*-*-irix6*)
# Find out which ABI we are using.
- echo '#line 6421 "configure"' > conftest.$ac_ext
+ echo '#line 6428 "configure"' > conftest.$ac_ext
if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5
(eval $ac_compile) 2>&5
ac_status=$?
@@ -8091,11 +8098,11 @@ else $as_nop
-e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
-e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
-e 's:$: $lt_compiler_flag:'`
- (eval echo "\"\$as_me:8094: $lt_compile\"" >&5)
+ (eval echo "\"\$as_me:8101: $lt_compile\"" >&5)
(eval "$lt_compile" 2>conftest.err)
ac_status=$?
cat conftest.err >&5
- echo "$as_me:8098: \$? = $ac_status" >&5
+ echo "$as_me:8105: \$? = $ac_status" >&5
if (exit $ac_status) && test -s "$ac_outfile"; then
# The compiler can only warn and ignore the option if not recognized
# So say no if there are warnings other than the usual output.
@@ -8441,11 +8448,11 @@ else $as_nop
-e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
-e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
-e 's:$: $lt_compiler_flag:'`
- (eval echo "\"\$as_me:8444: $lt_compile\"" >&5)
+ (eval echo "\"\$as_me:8451: $lt_compile\"" >&5)
(eval "$lt_compile" 2>conftest.err)
ac_status=$?
cat conftest.err >&5
- echo "$as_me:8448: \$? = $ac_status" >&5
+ echo "$as_me:8455: \$? = $ac_status" >&5
if (exit $ac_status) && test -s "$ac_outfile"; then
# The compiler can only warn and ignore the option if not recognized
# So say no if there are warnings other than the usual output.
@@ -8548,11 +8555,11 @@ else $as_nop
-e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
-e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
-e 's:$: $lt_compiler_flag:'`
- (eval echo "\"\$as_me:8551: $lt_compile\"" >&5)
+ (eval echo "\"\$as_me:8558: $lt_compile\"" >&5)
(eval "$lt_compile" 2>out/conftest.err)
ac_status=$?
cat out/conftest.err >&5
- echo "$as_me:8555: \$? = $ac_status" >&5
+ echo "$as_me:8562: \$? = $ac_status" >&5
if (exit $ac_status) && test -s out/conftest2.$ac_objext
then
# The compiler can only warn and ignore the option if not recognized
@@ -8604,11 +8611,11 @@ else $as_nop
-e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
-e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
-e 's:$: $lt_compiler_flag:'`
- (eval echo "\"\$as_me:8607: $lt_compile\"" >&5)
+ (eval echo "\"\$as_me:8614: $lt_compile\"" >&5)
(eval "$lt_compile" 2>out/conftest.err)
ac_status=$?
cat out/conftest.err >&5
- echo "$as_me:8611: \$? = $ac_status" >&5
+ echo "$as_me:8618: \$? = $ac_status" >&5
if (exit $ac_status) && test -s out/conftest2.$ac_objext
then
# The compiler can only warn and ignore the option if not recognized
@@ -11047,7 +11054,7 @@ else
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
-#line 11050 "configure"
+#line 11057 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
@@ -11144,7 +11151,7 @@ else
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
-#line 11147 "configure"
+#line 11154 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
@@ -15924,11 +15931,11 @@ else $as_nop
-e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
-e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
-e 's:$: $lt_compiler_flag:'`
- (eval echo "\"\$as_me:15927: $lt_compile\"" >&5)
+ (eval echo "\"\$as_me:15934: $lt_compile\"" >&5)
(eval "$lt_compile" 2>conftest.err)
ac_status=$?
cat conftest.err >&5
- echo "$as_me:15931: \$? = $ac_status" >&5
+ echo "$as_me:15938: \$? = $ac_status" >&5
if (exit $ac_status) && test -s "$ac_outfile"; then
# The compiler can only warn and ignore the option if not recognized
# So say no if there are warnings other than the usual output.
@@ -16025,11 +16032,11 @@ else $as_nop
-e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
-e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
-e 's:$: $lt_compiler_flag:'`
- (eval echo "\"\$as_me:16028: $lt_compile\"" >&5)
+ (eval echo "\"\$as_me:16035: $lt_compile\"" >&5)
(eval "$lt_compile" 2>out/conftest.err)
ac_status=$?
cat out/conftest.err >&5
- echo "$as_me:16032: \$? = $ac_status" >&5
+ echo "$as_me:16039: \$? = $ac_status" >&5
if (exit $ac_status) && test -s out/conftest2.$ac_objext
then
# The compiler can only warn and ignore the option if not recognized
@@ -16078,11 +16085,11 @@ else $as_nop
-e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
-e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
-e 's:$: $lt_compiler_flag:'`
- (eval echo "\"\$as_me:16081: $lt_compile\"" >&5)
+ (eval echo "\"\$as_me:16088: $lt_compile\"" >&5)
(eval "$lt_compile" 2>out/conftest.err)
ac_status=$?
cat out/conftest.err >&5
- echo "$as_me:16085: \$? = $ac_status" >&5
+ echo "$as_me:16092: \$? = $ac_status" >&5
if (exit $ac_status) && test -s out/conftest2.$ac_objext
then
# The compiler can only warn and ignore the option if not recognized
@@ -17675,20 +17682,50 @@ printf "%s\n" "no" >&6; }
fi
fi
+# Check whether --with-sdl-prefix was given.
+if test ${with_sdl_prefix+y}
+then :
+ withval=$with_sdl_prefix; sdl_prefix="$withval"
+else $as_nop
+ sdl_prefix=""
+fi
+
+
+# Check whether --with-sdl-exec-prefix was given.
+if test ${with_sdl_exec_prefix+y}
+then :
+ withval=$with_sdl_exec_prefix; sdl_exec_prefix="$withval"
+else $as_nop
+ sdl_exec_prefix=""
+fi
+
+# Check whether --enable-sdltest was given.
+if test ${enable_sdltest+y}
+then :
+ enableval=$enable_sdltest;
+else $as_nop
+ enable_sdltest=yes
+fi
+
+
+ min_sdl_version=$SDL_VERSION
+
+ if test "x$sdl_prefix$sdl_exec_prefix" = x ; then
+
pkg_failed=no
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for sdl2 >= $SDL_VERSION" >&5
-printf %s "checking for sdl2 >= $SDL_VERSION... " >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for sdl2 >= $min_sdl_version" >&5
+printf %s "checking for sdl2 >= $min_sdl_version... " >&6; }
if test -n "$SDL_CFLAGS"; then
pkg_cv_SDL_CFLAGS="$SDL_CFLAGS"
elif test -n "$PKG_CONFIG"; then
if test -n "$PKG_CONFIG" && \
- { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"sdl2 >= \$SDL_VERSION\""; } >&5
- ($PKG_CONFIG --exists --print-errors "sdl2 >= $SDL_VERSION") 2>&5
+ { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"sdl2 >= \$min_sdl_version\""; } >&5
+ ($PKG_CONFIG --exists --print-errors "sdl2 >= $min_sdl_version") 2>&5
ac_status=$?
printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
test $ac_status = 0; }; then
- pkg_cv_SDL_CFLAGS=`$PKG_CONFIG --cflags "sdl2 >= $SDL_VERSION" 2>/dev/null`
+ pkg_cv_SDL_CFLAGS=`$PKG_CONFIG --cflags "sdl2 >= $min_sdl_version" 2>/dev/null`
test "x$?" != "x0" && pkg_failed=yes
else
pkg_failed=yes
@@ -17700,12 +17737,12 @@ if test -n "$SDL_LIBS"; then
pkg_cv_SDL_LIBS="$SDL_LIBS"
elif test -n "$PKG_CONFIG"; then
if test -n "$PKG_CONFIG" && \
- { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"sdl2 >= \$SDL_VERSION\""; } >&5
- ($PKG_CONFIG --exists --print-errors "sdl2 >= $SDL_VERSION") 2>&5
+ { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"sdl2 >= \$min_sdl_version\""; } >&5
+ ($PKG_CONFIG --exists --print-errors "sdl2 >= $min_sdl_version") 2>&5
ac_status=$?
printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
test $ac_status = 0; }; then
- pkg_cv_SDL_LIBS=`$PKG_CONFIG --libs "sdl2 >= $SDL_VERSION" 2>/dev/null`
+ pkg_cv_SDL_LIBS=`$PKG_CONFIG --libs "sdl2 >= $min_sdl_version" 2>/dev/null`
test "x$?" != "x0" && pkg_failed=yes
else
pkg_failed=yes
@@ -17726,25 +17763,254 @@ else
_pkg_short_errors_supported=no
fi
if test $_pkg_short_errors_supported = yes; then
- SDL_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "sdl2 >= $SDL_VERSION" 2>&1`
+ SDL_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "sdl2 >= $min_sdl_version" 2>&1`
else
- SDL_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "sdl2 >= $SDL_VERSION" 2>&1`
+ SDL_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "sdl2 >= $min_sdl_version" 2>&1`
fi
# Put the nasty error message in config.log where it belongs
echo "$SDL_PKG_ERRORS" >&5
- as_fn_error $? "*** SDL version $SDL_VERSION not found!" "$LINENO" 5
+ sdl_pc=no
elif test $pkg_failed = untried; then
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
printf "%s\n" "no" >&6; }
- as_fn_error $? "*** SDL version $SDL_VERSION not found!" "$LINENO" 5
+ sdl_pc=no
else
SDL_CFLAGS=$pkg_cv_SDL_CFLAGS
SDL_LIBS=$pkg_cv_SDL_LIBS
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
printf "%s\n" "yes" >&6; }
+ sdl_pc=yes
+fi
+ else
+ sdl_pc=no
+ if test x$sdl_exec_prefix != x ; then
+ sdl_config_args="$sdl_config_args --exec-prefix=$sdl_exec_prefix"
+ if test x${SDL2_CONFIG+set} != xset ; then
+ SDL2_CONFIG=$sdl_exec_prefix/bin/sdl2-config
+ fi
+ fi
+ if test x$sdl_prefix != x ; then
+ sdl_config_args="$sdl_config_args --prefix=$sdl_prefix"
+ if test x${SDL2_CONFIG+set} != xset ; then
+ SDL2_CONFIG=$sdl_prefix/bin/sdl2-config
+ fi
+ fi
+ fi
+
+ if test "x$sdl_pc" = xyes ; then
+ no_sdl=""
+ SDL2_CONFIG="pkg-config sdl2"
+ else
+ as_save_PATH="$PATH"
+ if test "x$prefix" != xNONE && test "$cross_compiling" != yes; then
+ PATH="$prefix/bin:$prefix/usr/bin:$PATH"
+ fi
+ # Extract the first word of "sdl2-config", so it can be a program name with args.
+set dummy sdl2-config; ac_word=$2
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+printf %s "checking for $ac_word... " >&6; }
+if test ${ac_cv_path_SDL2_CONFIG+y}
+then :
+ printf %s "(cached) " >&6
+else $as_nop
+ case $SDL2_CONFIG in
+ [\\/]* | ?:[\\/]*)
+ ac_cv_path_SDL2_CONFIG="$SDL2_CONFIG" # Let the user override the test with a path.
+ ;;
+ *)
+ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ case $as_dir in #(((
+ '') as_dir=./ ;;
+ */) ;;
+ *) as_dir=$as_dir/ ;;
+ esac
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
+ ac_cv_path_SDL2_CONFIG="$as_dir$ac_word$ac_exec_ext"
+ printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+ break 2
+ fi
+done
+ done
+IFS=$as_save_IFS
+
+ test -z "$ac_cv_path_SDL2_CONFIG" && ac_cv_path_SDL2_CONFIG="no"
+ ;;
+esac
+fi
+SDL2_CONFIG=$ac_cv_path_SDL2_CONFIG
+if test -n "$SDL2_CONFIG"; then
+ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $SDL2_CONFIG" >&5
+printf "%s\n" "$SDL2_CONFIG" >&6; }
+else
+ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+fi
+
+
+ PATH="$as_save_PATH"
+ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for SDL - version >= $min_sdl_version" >&5
+printf %s "checking for SDL - version >= $min_sdl_version... " >&6; }
+ no_sdl=""
+
+ if test "$SDL2_CONFIG" = "no" ; then
+ no_sdl=yes
+ else
+ SDL_CFLAGS=`$SDL2_CONFIG $sdl_config_args --cflags`
+ SDL_LIBS=`$SDL2_CONFIG $sdl_config_args --libs`
+
+ sdl_major_version=`$SDL2_CONFIG $sdl_config_args --version | \
+ sed 's/\([0-9]*\).\([0-9]*\).\([0-9]*\)/\1/'`
+ sdl_minor_version=`$SDL2_CONFIG $sdl_config_args --version | \
+ sed 's/\([0-9]*\).\([0-9]*\).\([0-9]*\)/\2/'`
+ sdl_micro_version=`$SDL2_CONFIG $sdl_config_args --version | \
+ sed 's/\([0-9]*\).\([0-9]*\).\([0-9]*\)/\3/'`
+ if test "x$enable_sdltest" = "xyes" ; then
+ ac_save_CFLAGS="$CFLAGS"
+ ac_save_CXXFLAGS="$CXXFLAGS"
+ ac_save_LIBS="$LIBS"
+ CFLAGS="$CFLAGS $SDL_CFLAGS"
+ CXXFLAGS="$CXXFLAGS $SDL_CFLAGS"
+ LIBS="$LIBS $SDL_LIBS"
+ rm -f conf.sdltest
+ if test "$cross_compiling" = yes
+then :
+ echo $ac_n "cross compiling; assumed OK... $ac_c"
+else $as_nop
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include "SDL.h"
+
+int main (int argc, char *argv[])
+{
+ int major, minor, micro;
+ FILE *fp = fopen("conf.sdltest", "w");
+
+ if (fp) fclose(fp);
+
+ if (sscanf("$min_sdl_version", "%d.%d.%d", &major, &minor, µ) != 3) {
+ printf("%s, bad version string\n", "$min_sdl_version");
+ exit(1);
+ }
+
+ if (($sdl_major_version > major) ||
+ (($sdl_major_version == major) && ($sdl_minor_version > minor)) ||
+ (($sdl_major_version == major) && ($sdl_minor_version == minor) && ($sdl_micro_version >= micro)))
+ {
+ return 0;
+ }
+ else
+ {
+ printf("\n*** 'sdl2-config --version' returned %d.%d.%d, but the minimum version\n", $sdl_major_version, $sdl_minor_version, $sdl_micro_version);
+ printf("*** of SDL required is %d.%d.%d. If sdl2-config is correct, then it is\n", major, minor, micro);
+ printf("*** best to upgrade to the required version.\n");
+ printf("*** If sdl2-config was wrong, set the environment variable SDL2_CONFIG\n");
+ printf("*** to point to the correct copy of sdl2-config, and remove the file\n");
+ printf("*** config.cache before re-running configure\n");
+ return 1;
+ }
+}
+
+
+_ACEOF
+if ac_fn_c_try_run "$LINENO"
+then :
+
+else $as_nop
+ no_sdl=yes
+fi
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+ conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+
+ CFLAGS="$ac_save_CFLAGS"
+ CXXFLAGS="$ac_save_CXXFLAGS"
+ LIBS="$ac_save_LIBS"
+ fi
+ fi
+ if test "x$no_sdl" = x ; then
+ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
+ else
+ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+ fi
+ fi
+ if test "x$no_sdl" = x ; then
+ :
+ else
+ if test "$SDL2_CONFIG" = "no" ; then
+ echo "*** The sdl2-config script installed by SDL could not be found"
+ echo "*** If SDL was installed in PREFIX, make sure PREFIX/bin is in"
+ echo "*** your path, or set the SDL2_CONFIG environment variable to the"
+ echo "*** full path to sdl2-config."
+ else
+ if test -f conf.sdltest ; then
+ :
+ else
+ echo "*** Could not run SDL test program, checking why..."
+ CFLAGS="$CFLAGS $SDL_CFLAGS"
+ CXXFLAGS="$CXXFLAGS $SDL_CFLAGS"
+ LIBS="$LIBS $SDL_LIBS"
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+#include <stdio.h>
+#include "SDL.h"
+
+int main(int argc, char *argv[])
+{ return 0; }
+#undef main
+#define main K_and_R_C_main
+int
+main (void)
+{
+ return 0;
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"
+then :
+ echo "*** The test program compiled, but did not run. This usually means"
+ echo "*** that the run-time linker is not finding SDL or finding the wrong"
+ echo "*** version of SDL. If it is not finding SDL, you'll need to set your"
+ echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
+ echo "*** to the installed location Also, make sure you have run ldconfig if that"
+ echo "*** is required on your system"
+ echo "***"
+ echo "*** If you have an old version installed, it is best to remove it, although"
+ echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"
+else $as_nop
+ echo "*** The test program failed to compile or link. See the file config.log for the"
+ echo "*** exact error that occured. This usually means SDL was incorrectly installed"
+ echo "*** or that you have moved SDL since it was installed. In the latter case, you"
+ echo "*** may want to edit the sdl2-config script: $SDL2_CONFIG"
fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
+ conftest$ac_exeext conftest.$ac_ext
+ CFLAGS="$ac_save_CFLAGS"
+ CXXFLAGS="$ac_save_CXXFLAGS"
+ LIBS="$ac_save_LIBS"
+ fi
+ fi
+ SDL_CFLAGS=""
+ SDL_LIBS=""
+ as_fn_error $? "*** SDL version $SDL_VERSION not found!" "$LINENO" 5
+
+ fi
+
+
+ rm -f conf.sdltest
+
CFLAGS="$CFLAGS $SDL_CFLAGS"
LIBS="$LIBS $SDL_LIBS"
diff --git a/configure.ac b/configure.ac
index 49fe44ae..2e90924f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -102,7 +102,10 @@ SUMMARY="\nSDL2_ttf Configure Summary:\n"
dnl Check for SDL
SDL_VERSION=2.0.10
AC_SUBST(SDL_VERSION)
-PKG_CHECK_MODULES([SDL], [sdl2 >= $SDL_VERSION],, AC_MSG_ERROR([*** SDL version $SDL_VERSION not found!]))
+AM_PATH_SDL2($SDL_VERSION,
+ :,
+ AC_MSG_ERROR([*** SDL version $SDL_VERSION not found!])
+)
CFLAGS="$CFLAGS $SDL_CFLAGS"
LIBS="$LIBS $SDL_LIBS"