-prefix = @prefix@
-exec_prefix = @exec_prefix@
+prefix := @prefix@
+exec_prefix := @exec_prefix@
-BINDIR = @bindir@
-VARDIR = /var/paraslash
-PKGDATADIR = @datarootdir@/@PACKAGE_NAME@
-MANDIR = @datarootdir@/man/man1
+BINDIR := @bindir@
+VARDIR := /var/paraslash
+PKGDATADIR := @datarootdir@/@PACKAGE_NAME@
+MANDIR := @datarootdir@/man/man1
-install_sh = @install_sh@
+install_sh := @install_sh@
-build_date = $(shell date)
-system = $(shell uname -rs)
-cc_version = $(shell $(CC) --version | head -n 1)
-codename = solar saturation
+build_date := $(shell date)
+uname_s := $(shell uname -s 2>/dev/null || echo "UNKNOWN_OS")
+uname_rs := $(shell uname -rs)
+cc_version := $(shell $(CC) --version | head -n 1)
+codename := solar saturation
DEBUG_CPPFLAGS += -Wno-sign-compare -g -Wunused -Wundef -W
DEBUG_CPPFLAGS += -Wredundant-decls
# many warnings about trivial stuff
# CPPFLAGS += -Wconversion
-ifeq ($(uname_S),Linux)
+ifeq ($(uname_s),Linux)
CPPFLAGS += -fdata-sections -ffunction-sections
LDFLAGS += -Wl,--gc-sections
CPPFLAGS += -Wstrict-prototypes
CPPFLAGS += -Wformat-security
CPPFLAGS += -DBINDIR='"$(BINDIR)"'
CPPFLAGS += -DBUILD_DATE='"$(build_date)"'
-CPPFLAGS += -DSYSTEM='"$(system)"'
+CPPFLAGS += -DUNAME_RS='"$(uname_rs)"'
CPPFLAGS += -DCODENAME='"$(codename)"'
CPPFLAGS += -DCC_VERSION='"$(cc_version)"'
CPPFLAGS += -Werror-implicit-function-declaration
man: $(man_pages)
tarball: $(tarball)
-fade_objs = fade.cmdline.o fade.o exec.o close_on_fork.o string.o fd.o
-fsck_objs = osl.o rbtree.o fsck.o string.o sha1.o fsck.cmdline.o
+fade_objs := fade.cmdline.o fade.o exec.o close_on_fork.o string.o fd.o
+fsck_objs := osl.o rbtree.o fsck.o string.o sha1.o fsck.cmdline.o
*.o: para.h config.h gcc-compat.h