Add a configure script

[glaze] / Makefile

diff --git a/Makefile b/Makefile
index c9db5c8f7a18300d037c542b54b7d689376d825e..3ccb7fa3d94772a059b42f0510e0085aea86e7f8 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -1,11 +1,18 @@
-CC     ?= gcc
-CFLAGS ?= -g
-CFLAGS += -Wall -Wextra -Wmissing-declarations -Werror=attributes
+LIBGLAZE_VERSION_MAJOR   = 0
+LIBGLAZE_VERSION_MINOR   = 0
+LIBGLAZE_VERSION_RELEASE = 0
+
+LIBGLAZE_LINKER_NAME = libglaze.so
+LIBGLAZE_SONAME = $(LIBGLAZE_LINKER_NAME).$(LIBGLAZE_VERSION_MAJOR)
+LIBGLAZE_LIBNAME = $(LIBGLAZE_SONAME).$(LIBGLAZE_VERSION_MINOR).$(LIBGLAZE_VERSION_RELEASE)
 
 TARGETS = lib64/libGL.so.1 lib32/libGL.so.1
 
 all: $(TARGETS)
 
+$(LIBGLAZE_LIBNAME): glaze.c
+       $(CC) $(CFLAGS) -fPIC -shared -Wl,-Bsymbolic,-soname=$(LIBGLAZE_SONAME) -o $@ $<
+
 lib64/libGL.so.1: glaze-gl.c glapi.def
        mkdir -p lib64
        $(CC) $(CFLAGS) -m64 -fPIC -shared -Wl,-Bsymbolic -o $@ $<
@@ -14,5 +21,32 @@ lib32/libGL.so.1: glaze-gl.c specs/gl.def
        mkdir -p lib32
        $(CC) $(CFLAGS) -m32 -fPIC -shared -Wl,-Bsymbolic -o $@ $<
 
+.PHONY: install
+install: all
+       mkdir -p $(DESTDIR)$(LIBDIR)/glaze/lib64
+       install -m0644 lib64/libGL.so.1 $(DESTDIR)$(LIBDIR)/glaze/lib64
+       mkdir -p $(DESTDIR)$(LIBDIR)/glaze/lib32
+       install -m0644 lib32/libGL.so.1 $(DESTDIR)$(LIBDIR)/glaze/lib32
+
 clean:
        rm -f $(TARGETS)
+
+# Get settings from the output of configure by running it to generate
+# Makefile.config if it doesn't exist yet.
+
+# If Makefile.config doesn't exist, then srcdir won't be
+# set. Conditionally set it (assuming a plain srcdir build) so that
+# the rule to generate Makefile.config can actually work.
+srcdir ?= .
+
+include Makefile.config
+Makefile.config: $(srcdir)/configure
+ifeq ($(configure_options),)
+       @echo ""
+       @echo "Note: Calling ./configure with no command-line arguments. This is often fine,"
+       @echo "      but if you want to specify any arguments (such as an alternate prefix"
+       @echo "      into which to install), call ./configure explicitly and then make again."
+       @echo "      See \"./configure --help\" for more details."
+       @echo ""
+endif
+       $(srcdir)/configure $(configure_options)