Add libbutl-pkg-config source subdirectory

This is an additional (to libbutl) utility library which contains the source
code of libpkg-config configured and tuned for our needs.

17 files changed, 93 insertions, 0 deletions

diff --git a/libbutl-pkg-config/libpkg-config/argvsplit.c b/libbutl-pkg-config/libpkg-config/argvsplit.c
new file mode 120000
index 0000000..59f933e
--- /dev/null
+++ b/libbutl-pkg-config/libpkg-config/argvsplit.c
@@ -0,0 +1 @@
+../../upstream/libpkg-config/libpkg-config/libpkg-config/argvsplit.c
\ No newline at end of file
diff --git a/libbutl-pkg-config/libpkg-config/bsdstubs.c b/libbutl-pkg-config/libpkg-config/bsdstubs.c
new file mode 120000
index 0000000..53c3669
--- /dev/null
+++ b/libbutl-pkg-config/libpkg-config/bsdstubs.c
@@ -0,0 +1 @@
+../../upstream/libpkg-config/libpkg-config/libpkg-config/bsdstubs.c
\ No newline at end of file
diff --git a/libbutl-pkg-config/libpkg-config/cache.c b/libbutl-pkg-config/libpkg-config/cache.c
new file mode 120000
index 0000000..04f55e2
--- /dev/null
+++ b/libbutl-pkg-config/libpkg-config/cache.c
@@ -0,0 +1 @@
+../../upstream/libpkg-config/libpkg-config/libpkg-config/cache.c
\ No newline at end of file
diff --git a/libbutl-pkg-config/libpkg-config/client.c b/libbutl-pkg-config/libpkg-config/client.c
new file mode 120000
index 0000000..d705a55
--- /dev/null
+++ b/libbutl-pkg-config/libpkg-config/client.c
@@ -0,0 +1 @@
+../../upstream/libpkg-config/libpkg-config/libpkg-config/client.c
\ No newline at end of file
diff --git a/libbutl-pkg-config/libpkg-config/config.h b/libbutl-pkg-config/libpkg-config/config.h
new file mode 100644
index 0000000..c1c5e8d
--- /dev/null
+++ b/libbutl-pkg-config/libpkg-config/config.h
@@ -0,0 +1,41 @@
+/* file      : libpkg-config/config.h.in -*- C -*-
+ * license   : ISC; see accompanying COPYING file
+ */
+#ifndef LIBPKG_CONFIG_CONFIG_H
+#define LIBPKG_CONFIG_CONFIG_H
+
+#if defined(__linux__)
+#  include <features.h> /* __GLIBC__, __GLIBC_MINOR__ */
+#endif
+
+/*
+ * strndup() is not present on Windows while strl*() are only present on
+ * *BSD and MacOS.
+ *
+ */
+#if !defined(_WIN32)
+#  define HAVE_STRNDUP 1
+#endif
+
+/*
+ * GNU libc added strlcpy() and strlcat() in version 2.38 (in anticipation
+ * of their addition to POSIX).
+ */
+#if defined(__FreeBSD__) || \
+    defined(__OpenBSD__) || \
+    defined(__NetBSD__)  || \
+    defined(__APPLE__)   || \
+    (defined(__GLIBC__)       && \
+     defined(__GLIBC_MINOR__) && \
+     (__GLIBC__  > 2 || __GLIBC__ == 2 && __GLIBC_MINOR__ >= 38))
+#  define HAVE_STRLCPY 1
+#  define HAVE_STRLCAT 1
+#endif
+
+#define LIBPKG_CONFIG_PROJECT_URL "https://github.com/build2/libpkg-config"
+
+#define PKG_CONFIG_DEFAULT_PATH ""
+#define SYSTEM_INCLUDEDIR       ""
+#define SYSTEM_LIBDIR           ""
+
+#endif /* LIBPKG_CONFIG_CONFIG_H */
diff --git a/libbutl-pkg-config/libpkg-config/dependency.c b/libbutl-pkg-config/libpkg-config/dependency.c
new file mode 120000
index 0000000..2e12a02
--- /dev/null
+++ b/libbutl-pkg-config/libpkg-config/dependency.c
@@ -0,0 +1 @@
+../../upstream/libpkg-config/libpkg-config/libpkg-config/dependency.c
\ No newline at end of file
diff --git a/libbutl-pkg-config/libpkg-config/export.h b/libbutl-pkg-config/libpkg-config/export.h
new file mode 120000
index 0000000..d3bf554
--- /dev/null
+++ b/libbutl-pkg-config/libpkg-config/export.h
@@ -0,0 +1 @@
+../../upstream/libpkg-config/libpkg-config/libpkg-config/export.h
\ No newline at end of file
diff --git a/libbutl-pkg-config/libpkg-config/fileio.c b/libbutl-pkg-config/libpkg-config/fileio.c
new file mode 120000
index 0000000..65935f3
--- /dev/null
+++ b/libbutl-pkg-config/libpkg-config/fileio.c
@@ -0,0 +1 @@
+../../upstream/libpkg-config/libpkg-config/libpkg-config/fileio.c
\ No newline at end of file
diff --git a/libbutl-pkg-config/libpkg-config/fragment.c b/libbutl-pkg-config/libpkg-config/fragment.c
new file mode 120000
index 0000000..826d666
--- /dev/null
+++ b/libbutl-pkg-config/libpkg-config/fragment.c
@@ -0,0 +1 @@
+../../upstream/libpkg-config/libpkg-config/libpkg-config/fragment.c
\ No newline at end of file
diff --git a/libbutl-pkg-config/libpkg-config/list.h b/libbutl-pkg-config/libpkg-config/list.h
new file mode 120000
index 0000000..861f4d3
--- /dev/null
+++ b/libbutl-pkg-config/libpkg-config/list.h
@@ -0,0 +1 @@
+../../upstream/libpkg-config/libpkg-config/libpkg-config/list.h
\ No newline at end of file
diff --git a/libbutl-pkg-config/libpkg-config/parser.c b/libbutl-pkg-config/libpkg-config/parser.c
new file mode 120000
index 0000000..87c341e
--- /dev/null
+++ b/libbutl-pkg-config/libpkg-config/parser.c
@@ -0,0 +1 @@
+../../upstream/libpkg-config/libpkg-config/libpkg-config/parser.c
\ No newline at end of file
diff --git a/libbutl-pkg-config/libpkg-config/path.c b/libbutl-pkg-config/libpkg-config/path.c
new file mode 120000
index 0000000..b710dec
--- /dev/null
+++ b/libbutl-pkg-config/libpkg-config/path.c
@@ -0,0 +1 @@
+../../upstream/libpkg-config/libpkg-config/libpkg-config/path.c
\ No newline at end of file
diff --git a/libbutl-pkg-config/libpkg-config/pkg-config.h b/libbutl-pkg-config/libpkg-config/pkg-config.h
new file mode 120000
index 0000000..9a41ca6
--- /dev/null
+++ b/libbutl-pkg-config/libpkg-config/pkg-config.h
@@ -0,0 +1 @@
+../../upstream/libpkg-config/libpkg-config/libpkg-config/pkg-config.h
\ No newline at end of file
diff --git a/libbutl-pkg-config/libpkg-config/pkg.c b/libbutl-pkg-config/libpkg-config/pkg.c
new file mode 120000
index 0000000..74f6be5
--- /dev/null
+++ b/libbutl-pkg-config/libpkg-config/pkg.c
@@ -0,0 +1 @@
+../../upstream/libpkg-config/libpkg-config/libpkg-config/pkg.c
\ No newline at end of file
diff --git a/libbutl-pkg-config/libpkg-config/stdinc.h b/libbutl-pkg-config/libpkg-config/stdinc.h
new file mode 120000
index 0000000..f433ee0
--- /dev/null
+++ b/libbutl-pkg-config/libpkg-config/stdinc.h
@@ -0,0 +1 @@
+../../upstream/libpkg-config/libpkg-config/libpkg-config/stdinc.h
\ No newline at end of file
diff --git a/libbutl-pkg-config/libpkg-config/tuple.c b/libbutl-pkg-config/libpkg-config/tuple.c
new file mode 120000
index 0000000..7224e23
--- /dev/null
+++ b/libbutl-pkg-config/libpkg-config/tuple.c
@@ -0,0 +1 @@
+../../upstream/libpkg-config/libpkg-config/libpkg-config/tuple.c
\ No newline at end of file
diff --git a/libbutl-pkg-config/libpkg-config/version.h b/libbutl-pkg-config/libpkg-config/version.h
new file mode 100644
index 0000000..ef000f5
--- /dev/null
+++ b/libbutl-pkg-config/libpkg-config/version.h
@@ -0,0 +1,37 @@
+#ifndef LIBPKG_CONFIG_VERSION_H
+#define LIBPKG_CONFIG_VERSION_H
+
+/* The numeric version format is AAAAABBBBBCCCCCDDDE where:
+ *
+ * AAAAA - major version number
+ * BBBBB - minor version number
+ * CCCCC - bugfix version number
+ * DDD   - alpha / beta (DDD + 500) version number
+ * E     - final (0) / snapshot (1)
+ *
+ * When DDDE is not 0, 1 is subtracted from AAAAABBBBBCCCCC. For example:
+ *
+ * Version      AAAAABBBBBCCCCCDDDE
+ *
+ * 0.1.0        0000000001000000000
+ * 0.1.2        0000000001000020000
+ * 1.2.3        0000100002000030000
+ * 2.2.0-a.1    0000200001999990010
+ * 3.0.0-b.2    0000299999999995020
+ * 2.2.0-a.1.z  0000200001999990011
+ */
+#define LIBPKG_CONFIG_VERSION       1000010001ULL
+#define LIBPKG_CONFIG_VERSION_STR   "0.1.2-a.0.20230830042926.81bc60b38195"
+#define LIBPKG_CONFIG_VERSION_ID    "0.1.2-a.0.81bc60b38195"
+#define LIBPKG_CONFIG_VERSION_FULL  "0.1.2-a.0.20230830042926.81bc60b38195"
+
+#define LIBPKG_CONFIG_VERSION_MAJOR 0
+#define LIBPKG_CONFIG_VERSION_MINOR 1
+#define LIBPKG_CONFIG_VERSION_PATCH 2
+
+#define LIBPKG_CONFIG_PRE_RELEASE   true
+
+#define LIBPKG_CONFIG_SNAPSHOT_SN   20230830042926ULL
+#define LIBPKG_CONFIG_SNAPSHOT_ID   "81bc60b38195"
+
+#endif /* LIBPKG_CONFIG_VERSION_H */