C API: move to src/lib*/c/

Makefile

@@ -18,6 +18,9 @@ makefiles = \
   src/libexpr/local.mk \
   src/libcmd/local.mk \
   src/nix/local.mk \
+  src/libutil/c/local.mk \
+  src/libstore/c/local.mk \
+  src/libexpr/c/local.mk \
   src/resolve-system-dependencies/local.mk \
   scripts/local.mk \
   misc/bash/local.mk \

doc/external-api/doxygen.cfg.in

@@ -36,9 +36,9 @@ GENERATE_LATEX         = NO
 # so they can expand variables despite configure variables.
 
 INPUT                  = \
-  src/libutil \
-  src/libexpr \
-  src/libstore
+  src/libutil/c \
+  src/libexpr/c \
+  src/libstore/c
 
 FILE_PATTERNS = nix_api_*.h
 

local.mk

@@ -2,7 +2,7 @@ GLOBAL_CXXFLAGS += -Wno-deprecated-declarations -Werror=switch
 # Allow switch-enum to be overridden for files that do not support it, usually because of dependency headers.
 ERROR_SWITCH_ENUM = -Werror=switch-enum
 
-$(foreach i, config.h $(wildcard src/lib*/*.hh) $(wildcard src/lib*/*.h), \
+$(foreach i, config.h $(wildcard src/lib*/*.hh) $(wildcard src/lib*/*.h $(filter-out %_internal.h, $(wildcard src/lib*/c/*.h))), \
   $(eval $(call install-file-in, $(i), $(includedir)/nix, 0644)))
 
 $(GCH): src/libutil/util.hh config.h

src/libexpr/c/local.mk

@@ -0,0 +1,19 @@
+libraries += libexprc
+
+libexprc_NAME = libnixexprc
+
+libexprc_DIR := $(d)
+
+libexprc_SOURCES := \
+  $(wildcard $(d)/*.cc) \
+
+libexprc_CXXFLAGS += -I src/libutil -Isrc/libfetchers -I src/libstore -I src/libstorec -I src/libexpr -I src/libutil/c -I src/libstore/c
+
+libexprc_LIBS = libutil libutilc libstorec libexpr
+
+libexprc_LDFLAGS += -pthread
+
+$(eval $(call install-file-in, $(d)/nix-expr-c.pc, $(libdir)/pkgconfig, 0644))
+
+libexprc_FORCE_INSTALL := 1
+

src/libexpr/c/nix-expr-c.pc.in

@@ -0,0 +1,10 @@
+prefix=@prefix@
+libdir=@libdir@
+includedir=@includedir@
+
+Name: Nix
+Description: Nix Package Manager - C API
+Version: @PACKAGE_VERSION@
+Requires: nix-store-c
+Libs: -L${libdir} -lnixexprc
+Cflags: -I${includedir}/nix

src/libstore/c/local.mk

@@ -0,0 +1,17 @@
+libraries += libstorec
+
+libstorec_NAME = libnixstorec
+
+libstorec_DIR := $(d)
+
+libstorec_SOURCES := $(wildcard $(d)/*.cc)
+
+libstorec_LIBS = libutil libstore libutilc
+
+libstorec_LDFLAGS += -pthread
+
+libstorec_CXXFLAGS += -I src/libutil -I src/libstore -I src/libutil/c
+
+$(eval $(call install-file-in, $(d)/nix-store-c.pc, $(libdir)/pkgconfig, 0644))
+
+libstorec_FORCE_INSTALL := 1

src/libstore/c/nix-store-c.pc.in

@@ -0,0 +1,9 @@
+prefix=@prefix@
+libdir=@libdir@
+includedir=@includedir@
+
+Name: Nix
+Description: Nix Package Manager - C API
+Version: @PACKAGE_VERSION@
+Libs: -L${libdir} -lnixstorec -lnixutilc
+Cflags: -I${includedir}/nix

src/libutil/c/local.mk

@@ -0,0 +1,15 @@
+libraries += libutilc
+
+libutilc_NAME = libnixutilc
+
+libutilc_DIR := $(d)
+
+libutilc_SOURCES := $(wildcard $(d)/*.cc)
+
+libutilc_CXXFLAGS += -I src/libutil
+
+libutilc_LIBS = libutil
+
+libutilc_LDFLAGS += -pthread
+
+libutilc_FORCE_INSTALL := 1

tests/unit/libutil/local.mk

@@ -22,7 +22,7 @@ libutil-tests_EXTRA_INCLUDES = \
 
 libutil-tests_CXXFLAGS += $(libutil-tests_EXTRA_INCLUDES)
 
-libutil-tests_LIBS = libutil-test-support libutil
+libutil-tests_LIBS = libutil-test-support libutil libutilc
 
 libutil-tests_LDFLAGS := -lrapidcheck $(GTEST_LIBS)