Skip to content

MacOSX: allow build with homebrew and its emulated MesaGL #65

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
wants to merge 1 commit into
base: master
Choose a base branch
from
Open

MacOSX: allow build with homebrew and its emulated MesaGL #65

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
44 changes: 42 additions & 2 deletions Makefile.PL
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,39 @@ use ExtUtils::MakeMaker;
use Devel::CheckLib 'assert_lib';
use Config;

sub pkg_config($$)
{
my ($cmd, $lib) = @_;
$cmd =~ s/_/-/g;
my $x = `pkg-config --$cmd $lib 2>/dev/null`;
chomp $x;
return $x;
}

sub check_homebrew
{
# native libs and homebrew libs coredump if used together
return unless $^O eq 'darwin';
return unless $ENV{WITH_HOMEBREW};
my $found = 0;
my %ret;
for my $lib (qw(x11 gl glew)) {
my $v = pkg_config modversion => $lib;
next unless $v =~ /^\d/;
chomp $v;
print "found homebrew with $lib $v\n";
$ret{inc} .= ' ' . pkg_config cflags => $lib;
$ret{lib} .= ' ' . pkg_config libs => $lib;
$found++;
}
unless ( 3 == $found ) {
print "** warning: to use homebrew, x11 gl and glew have to be installed\n";
return;
}
$ret{lib} =~ s/-lGL\b// while 1 < @{[$ret{lib} =~ m/-lGL\b/g]};
return %ret;
}

my $include = "-I. -Iinclude";
my $libs;
my $define = "-DGLEW_NO_GLU -DGLEW_STATIC";
Expand All @@ -13,8 +46,15 @@ if ( $^O eq 'MSWin32' ) {
} elsif ( $^O eq 'cygwin' ) {
$libs = '-lGL -lX11';
} elsif ( $^O eq 'darwin' ) {
$DYNS = { 'OTHERLDFLAGS' => '-framework OpenGL' };
$define .= " -Wno-compound-token-split-by-macro -DGL_SILENCE_DEPRECATION";
my %hb = check_homebrew;
if ( keys %hb ) {
$libs = $hb{lib};
$include .= $hb{inc};
$define .= " -DGLEW_HOMEBREW";
} else {
$DYNS = { 'OTHERLDFLAGS' => '-framework OpenGL' };
$define .= " -Wno-compound-token-split-by-macro -DGL_SILENCE_DEPRECATION";
}
} else {
$libs = '-lGL -lX11';
}
Expand Down
4 changes: 4 additions & 0 deletions README.md
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -49,6 +49,10 @@ To install this module type the following:

or cpan or cpanm.

### MacOSX

To build with homebrew and it's emulated MesaGL, run `env WITH_HOMEBREW=1 perl Makefile.PL`.

## COPYRIGHT AND LICENCE

Copyright (C) 2017 by Chris Marshall
Expand Down
29 changes: 18 additions & 11 deletions glew.c
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -36,6 +36,10 @@
#include GLEW_INCLUDE
#endif

#if defined(__APPLE__) && !defined(GLEW_HOMEBREW)
# define GLEW_APPLE_NATIVE
#endif

#if defined(GLEW_OSMESA)
# define GLAPI extern
# include <GL/osmesa.h>
Expand All @@ -51,7 +55,7 @@
# undef NOGDI
# endif
# include <GL/wglew.h>
#elif !defined(__ANDROID__) && !defined(__native_client__) && !defined(__HAIKU__) && (!defined(__APPLE__) || defined(GLEW_APPLE_GLX))
#elif !defined(__ANDROID__) && !defined(__native_client__) && !defined(__HAIKU__) && (!defined(GLEW_APPLE_NATIVE) || defined(GLEW_APPLE_GLX))
# include <GL/glxew.h>
#endif

Expand Down Expand Up @@ -97,7 +101,7 @@ void* dlGetProcAddress (const GLubyte* name)
}
#endif /* __sgi || __sun || GLEW_APPLE_GLX */

#if defined(__APPLE__)
#if defined(GLEW_APPLE_NATIVE)
#include <stdlib.h>
#include <string.h>
#include <AvailabilityMacros.h>
Expand Down Expand Up @@ -153,20 +157,23 @@ void* NSGLGetProcAddress (const GLubyte *name)
#endif
}
#endif /* MAC_OS_X_VERSION_10_3 */
#endif /* __APPLE__ */
#endif /* GLEW_APPLE_NATIVE */

/*
* Define glewGetProcAddress.
*/
#if defined(GLEW_REGAL)
#if defined(GLEW_HOMEBREW)
# define glewGetProcAddress(name) (*glXGetProcAddressARB)(name)
#elif defined(GLEW_REGAL)
# define glewGetProcAddress(name) (*glXGetProcAddressARB)(name)
# define glewGetProcAddress(name) regalGetProcAddress((const GLchar *)name)
#elif defined(GLEW_OSMESA)
# define glewGetProcAddress(name) OSMesaGetProcAddress((const char *)name)
#elif defined(GLEW_EGL)
# define glewGetProcAddress(name) eglGetProcAddress((const char *)name)
#elif defined(_WIN32)
# define glewGetProcAddress(name) wglGetProcAddress((LPCSTR)name)
#elif defined(__APPLE__) && !defined(GLEW_APPLE_GLX)
#elif defined(GLEW_APPLE_NATIVE) && !defined(GLEW_APPLE_GLX)
# define glewGetProcAddress(name) NSGLGetProcAddress(name)
#elif defined(__sgi) || defined(__sun) || defined(__HAIKU__)
# define glewGetProcAddress(name) dlGetProcAddress(name)
Expand Down Expand Up @@ -231,7 +238,7 @@ static GLuint _glewStrCopy(char *d, const char *s, char c)
}

#if !defined(GLEW_OSMESA)
#if !defined(__APPLE__) || defined(GLEW_APPLE_GLX)
#if !defined(GLEW_APPLE_NATIVE) || defined(GLEW_APPLE_GLX)
static GLboolean _glewStrSame (const GLubyte* a, const GLubyte* b, GLuint n)
{
GLuint i=0;
Expand Down Expand Up @@ -303,7 +310,7 @@ static GLboolean _glewStrSame3 (const GLubyte** a, GLuint* na, const GLubyte* b,
* string returned by glGetString might be in read-only memory.
*/
#if !defined(GLEW_OSMESA)
#if !defined(__APPLE__) || defined(GLEW_APPLE_GLX)
#if !defined(GLEW_APPLE_NATIVE) || defined(GLEW_APPLE_GLX)
static GLboolean _glewSearchExtension (const char* name, const GLubyte *start, const GLubyte *end)
{
const GLubyte* p;
Expand Down Expand Up @@ -19746,7 +19753,7 @@ GLenum GLEWAPIENTRY wglewInit ()
return GLEW_OK;
}

#elif !defined(__ANDROID__) && !defined(__native_client__) && !defined(__HAIKU__) && (!defined(__APPLE__) || defined(GLEW_APPLE_GLX))
#elif !defined(__ANDROID__) && !defined(__native_client__) && !defined(__HAIKU__) && (!defined(GLEW_APPLE_NATIVE) || defined(GLEW_APPLE_GLX))

PFNGLXGETCURRENTDISPLAYPROC __glewXGetCurrentDisplay = NULL;

Expand Down Expand Up @@ -20821,7 +20828,7 @@ GLenum glxewInit ()
return GLEW_OK;
}

#endif /* !defined(__ANDROID__) && !defined(__native_client__) && !defined(__HAIKU__) && (!defined(__APPLE__) || defined(GLEW_APPLE_GLX)) */
#endif /* !defined(__ANDROID__) && !defined(__native_client__) && !defined(__HAIKU__) && (!defined(GLEW_APPLE_NATIVE) || defined(GLEW_APPLE_GLX)) */

/* ------------------------------------------------------------------------ */

Expand Down Expand Up @@ -20872,7 +20879,7 @@ GLenum GLEWAPIENTRY glewInit (void)
return r;
#elif defined(_WIN32)
return wglewInit();
#elif !defined(__APPLE__) || defined(GLEW_APPLE_GLX) /* _UNIX */
#elif !defined(GLEW_APPLE_NATIVE) || defined(GLEW_APPLE_GLX) /* _UNIX */
return glxewInit();
#else
return r;
Expand Down Expand Up @@ -27059,7 +27066,7 @@ GLboolean GLEWAPIENTRY wglewIsSupported (const char* name)
return ret;
}

#elif !defined(GLEW_OSMESA) && !defined(GLEW_EGL) && !defined(__ANDROID__) && !defined(__native_client__) && !defined(__HAIKU__) && !defined(__APPLE__) || defined(GLEW_APPLE_GLX)
#elif !defined(GLEW_OSMESA) && !defined(GLEW_EGL) && !defined(__ANDROID__) && !defined(__native_client__) && !defined(__HAIKU__) && !defined(GLEW_APPLE_NATIVE) || defined(GLEW_APPLE_GLX)

GLboolean glxewIsSupported (const char* name)
{
Expand Down
Loading