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configure: Add libpng detections and configurations.

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This commit is contained in:
Jason Volk 2021-01-15 16:13:56 -08:00
parent 173ba9ddf6
commit 78133c59cd
2 changed files with 54 additions and 1 deletions
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54
configure.ac
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@ -1971,6 +1971,57 @@ RB_HELP_STRING([--with-included-pbc], [Use the libpbc sources from included subm
AM_CONDITIONAL([PBC], [test "x$have_pbc" = "xyes" ])
dnl
dnl
dnl Portable Network Graphics (PNG) support
dnl
dnl
AC_SUBST(PNG_CPPFLAGS, [])
AC_SUBST(PNG_LDFLAGS, [])
AC_SUBST(PNG_LIBS, [])
AC_ARG_WITH(png-includes,
RB_HELP_STRING([--with-png-includes=[[[DIR]]]], [Path to PNG include directory]),
[
PNG_CPPFLAGS+="-I$withval"
], [
PNG_CPPFLAGS+="-isystem /usr/include/GraphicsMagick/"
])
AC_ARG_WITH(png-libs,
RB_HELP_STRING([--with-png-libs=[[[DIR]]]], [Path to PNG library directory]),
[
PNG_LDFLAGS+="-L$withval"
], [])
RB_CHK_SYSHEADER([png.h], [PNG_H])
PKG_CHECK_MODULES(PNG, [png],
[
dnl May not be DT_NEEDED in actual library since Magick loads it dynamically.
PNG_LIBS+="-lpng"
have_png="yes"
], [
AC_CHECK_LIB([png], [png_access_version_number],
[
have_png="yes"
PNG_LIBS+="-lpng"
], [
have_png="no"
AC_MSG_WARN([Unable to find libpng for portable network graphics on this system.])
])
])
AM_CONDITIONAL([PNG], [test "x$have_png" = "xyes"])
dnl IRCD_ENABLE_MAGICK is always defined for use in a constexpr if
AM_COND_IF([PNG],
[
IRCD_DEFINE(USE_PNG, [1], [Portable Network Graphics (PNG) support is available and enabled])
], [
IRCD_DEFINE(USE_PNG, [0], [Portable Network Graphics (PNG) support is unavailable or disabled])
])
dnl
dnl
dnl ImageMagick support
@ -2655,8 +2706,9 @@ echo "Optimized runtime ................. $profiling_used"
echo "Optimization level ................ $optimize_level"
echo "Machine tuned ..................... $machine_tuning"
echo
echo "ImageMagick support ............... $have_imagemagick"
echo "Magic support ..................... $have_magic"
echo "ImageMagick support ............... $have_imagemagick"
echo "PNG support ....................... $have_png"
echo "Unicode (icuuc) support ........... $have_icuuc"
echo "Ziplinks (libz) support ........... $have_zlib"
echo "Zstandard (zstd) support .......... $have_zstd"

1
ircd/magick.cc
View file

@ -9,6 +9,7 @@
// full license for this software is available in the LICENSE file.
#include <RB_INC_SIGNAL_H
#include <RB_INC_PNG_H
#include <RB_INC_MAGICK_API_H
namespace ircd::magick