1PREFIX ?= /usr/local2BINDIR ?= $(PREFIX)/bin3MANDIR ?= $(PREFIX)/share/man4DOCDIR ?= $(PREFIX)/share/doc/git-shuffle56CFLAGS ?= -O0 -g -Werror7CFLAGS += -std=c99 -D_BSD_SOURCE -D_POSIX_C_SOURCE=200809L8CFLAGS += -Wpedantic -Wall -Wextra -Wconversion \9 -Wmissing-prototypes -Wpointer-arith \10 -Wstrict-prototypes -Wshadow -Wformat1112CFLAGS += $(shell pkg-config --cflags libgit2)13LDLIBS += $(shell pkg-config --libs libgit2)1415git-shuffle: git-shuffle.c16install: git-shuffle git-shuffle.1 README.md17 install -Dm755 git-shuffle "$(DESTDIR)$(BINDIR)/git-shuffle"18 install -Dm644 git-shuffle.1 "$(DESTDIR)$(MANDIR)/man1/git-shuffle.1"19 install -Dm644 README.md "$(DESTDIR)$(DOCDIR)/README.md"